Generation: store views as Body

Sources/Adwaita/View/Generated/ActionRow.swift

@@ -2,7 +2,7 @@
 //  ActionRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -38,7 +38,7 @@ public struct ActionRow: AdwaitaWidget {
     /// 
     /// The target widget will be activated by emitting the
     /// `Gtk.Widget::mnemonic-activate` signal on it.
-    var activatableWidget: (() -> Body)?
+    var activatableWidget: Body?
     /// The subtitle for this row.
     /// 
     /// The subtitle is interpreted as Pango markup unless
@@ -96,7 +96,7 @@ public struct ActionRow: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let activatableWidgetStorage = activatableWidget?().storage(data: data, type: type) {
+        if let activatableWidgetStorage = activatableWidget?.storage(data: data, type: type) {
             storage.content["activatableWidget"] = [activatableWidgetStorage]
             adw_action_row_set_activatable_widget(storage.opaquePointer?.cast(), activatableWidgetStorage.opaquePointer?.cast())
         }
@@ -131,7 +131,7 @@ public struct ActionRow: AdwaitaWidget {
         storage.modify { widget in
 
             if let widget = storage.content["activatableWidget"]?.first {
-                activatableWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                activatableWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let subtitleLines, updateProperties, (storage.previousState as? Self)?.subtitleLines != subtitleLines {
                 adw_action_row_set_subtitle_lines(widget?.cast(), subtitleLines.cInt)
@@ -202,10 +202,8 @@ public struct ActionRow: AdwaitaWidget {
     /// 
     /// The target widget will be activated by emitting the
     /// `Gtk.Widget::mnemonic-activate` signal on it.
-    public func activatableWidget(@ViewBuilder _ activatableWidget: @escaping (() -> Body)) -> Self {
+    public func activatableWidget(@ViewBuilder _ activatableWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.activatableWidget = activatableWidget() }
-        newSelf.activatableWidget = activatableWidget
-        return newSelf
     }
 
     /// The subtitle for this row.
@@ -213,9 +211,7 @@ public struct ActionRow: AdwaitaWidget {
     /// The subtitle is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func subtitle(_ subtitle: String?) -> Self {
-        var newSelf = self
+        modify { $0.subtitle = subtitle }
-        newSelf.subtitle = subtitle
-        return newSelf
     }
 
     /// The number of lines at the end of which the subtitle label will be
@@ -223,18 +219,14 @@ public struct ActionRow: AdwaitaWidget {
     /// 
     /// If the value is 0, the number of lines won't be limited.
     public func subtitleLines(_ subtitleLines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.subtitleLines = subtitleLines }
-        newSelf.subtitleLines = subtitleLines
-        return newSelf
     }
 
     /// Whether the user can copy the subtitle from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func subtitleSelectable(_ subtitleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.subtitleSelectable = subtitleSelectable }
-        newSelf.subtitleSelectable = subtitleSelectable
-        return newSelf
     }
 
     /// The title of the preference represented by this row.
@@ -242,27 +234,21 @@ public struct ActionRow: AdwaitaWidget {
     /// The title is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// The number of lines at the end of which the title label will be ellipsized.
     /// 
     /// If the value is 0, the number of lines won't be limited.
     public func titleLines(_ titleLines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.titleLines = titleLines }
-        newSelf.titleLines = titleLines
-        return newSelf
     }
 
     /// Whether the user can copy the title from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func titleSelectable(_ titleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.titleSelectable = titleSelectable }
-        newSelf.titleSelectable = titleSelectable
-        return newSelf
     }
 
     /// Whether to use Pango markup for the title label.
@@ -271,16 +257,12 @@ public struct ActionRow: AdwaitaWidget {
     /// 
     /// See also `Pango.parse_markup`.
     public func useMarkup(_ useMarkup: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useMarkup = useMarkup }
-        newSelf.useMarkup = useMarkup
-        return newSelf
     }
 
     /// Whether an embedded underline in the title indicates a mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// This signal is emitted after the row has been activated.

Sources/Adwaita/View/Generated/AspectFrame.swift

@@ -2,7 +2,7 @@
 //  AspectFrame.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -26,7 +26,7 @@ public struct AspectFrame: AdwaitaWidget {
     /// The accessible role cannot be changed once set.
     var accessibleRole: String?
     /// The child widget.
-    var child: (() -> Body)?
+    var child: Body?
     /// Whether the `GtkAspectFrame` should use the aspect ratio of its child.
     var obeyChild: Bool?
     /// The aspect ratio to be used by the `GtkAspectFrame`.
@@ -55,7 +55,7 @@ public struct AspectFrame: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             gtk_aspect_frame_set_child(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
@@ -73,7 +73,7 @@ public struct AspectFrame: AdwaitaWidget {
         storage.modify { widget in
 
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let obeyChild, updateProperties, (storage.previousState as? Self)?.obeyChild != obeyChild {
                 gtk_aspect_frame_set_obey_child(widget, obeyChild.cBool)
@@ -103,23 +103,17 @@ public struct AspectFrame: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// Whether the `GtkAspectFrame` should use the aspect ratio of its child.
     public func obeyChild(_ obeyChild: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.obeyChild = obeyChild }
-        newSelf.obeyChild = obeyChild
-        return newSelf
     }
 
     /// The aspect ratio to be used by the `GtkAspectFrame`.
@@ -127,23 +121,17 @@ public struct AspectFrame: AdwaitaWidget {
     /// This property is only used if
     /// ``obeyChild(_:)`` is set to `false`.
     public func ratio(_ ratio: Float) -> Self {
-        var newSelf = self
+        modify { $0.ratio = ratio }
-        newSelf.ratio = ratio
-        return newSelf
     }
 
     /// The horizontal alignment of the child.
     public func xalign(_ xalign: Float?) -> Self {
-        var newSelf = self
+        modify { $0.xalign = xalign }
-        newSelf.xalign = xalign
-        return newSelf
     }
 
     /// The vertical alignment of the child.
     public func yalign(_ yalign: Float?) -> Self {
-        var newSelf = self
+        modify { $0.yalign = yalign }
-        newSelf.yalign = yalign
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/Avatar.swift

@@ -2,7 +2,7 @@
 //  Avatar.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -107,25 +107,19 @@ public struct Avatar: AdwaitaWidget {
     /// 
     /// If no name is set, `avatar-default-symbolic` will be used.
     public func iconName(_ iconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.iconName = iconName }
-        newSelf.iconName = iconName
-        return newSelf
     }
 
     /// Whether initials are used instead of an icon on the fallback avatar.
     /// 
     /// See ``iconName(_:)`` for how to change the fallback icon.
     public func showInitials(_ showInitials: Bool) -> Self {
-        var newSelf = self
+        modify { $0.showInitials = showInitials }
-        newSelf.showInitials = showInitials
-        return newSelf
     }
 
     /// The size of the avatar.
     public func size(_ size: Int) -> Self {
-        var newSelf = self
+        modify { $0.size = size }
-        newSelf.size = size
-        return newSelf
     }
 
     /// Sets the text used to generate the fallback initials and color.
@@ -133,9 +127,7 @@ public struct Avatar: AdwaitaWidget {
     /// It's only used to generate the color if ``showInitials(_:)`` is
     /// `false`.
     public func text(_ text: String?) -> Self {
-        var newSelf = self
+        modify { $0.text = text }
-        newSelf.text = text
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/Banner.swift

@@ -2,7 +2,7 @@
 //  Banner.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -122,34 +122,26 @@ public struct Banner: AdwaitaWidget {
     /// The button can be used with a `GAction`, or with the
     /// `Banner::button-clicked` signal.
     public func buttonLabel(_ buttonLabel: String?) -> Self {
-        var newSelf = self
+        modify { $0.buttonLabel = buttonLabel }
-        newSelf.buttonLabel = buttonLabel
-        return newSelf
     }
 
     /// Whether the banner is currently revealed.
     public func revealed(_ revealed: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.revealed = revealed }
-        newSelf.revealed = revealed
-        return newSelf
     }
 
     /// The title for this banner.
     /// 
     /// See also: ``useMarkup(_:)``.
     public func title(_ title: String) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// Whether to use Pango markup for the banner title.
     /// 
     /// See also `Pango.parse_markup`.
     public func useMarkup(_ useMarkup: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useMarkup = useMarkup }
-        newSelf.useMarkup = useMarkup
-        return newSelf
     }
 
     /// This signal is emitted after the action button has been clicked.

Sources/Adwaita/View/Generated/Bin.swift

@@ -2,7 +2,7 @@
 //  Bin.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -25,7 +25,7 @@ public struct Bin: AdwaitaWidget {
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
 
     /// The child widget of the `AdwBin`.
-    var child: (() -> Body)?
+    var child: Body?
 
     /// Initialize `Bin`.
     public init() {
@@ -42,7 +42,7 @@ public struct Bin: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             adw_bin_set_child(storage.opaquePointer?.cast(), childStorage.opaquePointer?.cast())
         }
@@ -60,7 +60,7 @@ public struct Bin: AdwaitaWidget {
         storage.modify { widget in
 
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
 
 
@@ -75,10 +75,8 @@ public struct Bin: AdwaitaWidget {
     }
 
     /// The child widget of the `AdwBin`.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/Box.swift

@@ -2,7 +2,7 @@
 //  Box.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -148,32 +148,24 @@ public struct Box: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The position of the child that determines the baseline.
     /// 
     /// This is only relevant if the box is in vertical orientation.
     public func baselineChild(_ baselineChild: Int?) -> Self {
-        var newSelf = self
+        modify { $0.baselineChild = baselineChild }
-        newSelf.baselineChild = baselineChild
-        return newSelf
     }
 
     /// Whether the children should all be the same size.
     public func homogeneous(_ homogeneous: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.homogeneous = homogeneous }
-        newSelf.homogeneous = homogeneous
-        return newSelf
     }
 
     /// The amount of space between children.
     public func spacing(_ spacing: Int) -> Self {
-        var newSelf = self
+        modify { $0.spacing = spacing }
-        newSelf.spacing = spacing
-        return newSelf
     }
 
     /// Set the body for "append".

Sources/Adwaita/View/Generated/Button.swift

@@ -2,7 +2,7 @@
 //  Button.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -39,7 +39,7 @@ public struct Button: AdwaitaWidget {
     /// property has no effect.
     var canShrink: Bool?
     /// The child widget.
-    var child: (() -> Body)?
+    var child: Body?
     /// Whether the button has a frame.
     var hasFrame: Bool?
     /// The name of the icon used to automatically populate the button.
@@ -75,7 +75,7 @@ public struct Button: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             gtk_button_set_child(storage.opaquePointer?.cast(), childStorage.opaquePointer?.cast())
         }
@@ -109,7 +109,7 @@ public struct Button: AdwaitaWidget {
                 gtk_button_set_can_shrink(widget?.cast(), canShrink.cBool)
             }
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let hasFrame, updateProperties, (storage.previousState as? Self)?.hasFrame != hasFrame {
                 gtk_button_set_has_frame(widget?.cast(), hasFrame.cBool)
@@ -139,16 +139,12 @@ public struct Button: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The name of the action with which this widget should be associated.
     public func actionName(_ actionName: String?) -> Self {
-        var newSelf = self
+        modify { $0.actionName = actionName }
-        newSelf.actionName = actionName
-        return newSelf
     }
 
     /// Whether the size of the button can be made smaller than the natural
@@ -159,45 +155,33 @@ public struct Button: AdwaitaWidget {
     /// If the contents of a button are an icon or a custom widget, setting this
     /// property has no effect.
     public func canShrink(_ canShrink: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.canShrink = canShrink }
-        newSelf.canShrink = canShrink
-        return newSelf
     }
 
     /// The child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// Whether the button has a frame.
     public func hasFrame(_ hasFrame: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.hasFrame = hasFrame }
-        newSelf.hasFrame = hasFrame
-        return newSelf
     }
 
     /// The name of the icon used to automatically populate the button.
     public func iconName(_ iconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.iconName = iconName }
-        newSelf.iconName = iconName
-        return newSelf
     }
 
     /// Text of the label inside the button, if the button contains a label widget.
     public func label(_ label: String?) -> Self {
-        var newSelf = self
+        modify { $0.label = label }
-        newSelf.label = label
-        return newSelf
     }
 
     /// If set, an underline in the text indicates that the following character is
     /// to be used as mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// Emitted to animate press then release.

Sources/Adwaita/View/Generated/ButtonContent.swift

@@ -2,7 +2,7 @@
 //  ButtonContent.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -110,25 +110,19 @@ public struct ButtonContent: AdwaitaWidget {
     /// 
     /// See ``canShrink(_:)``.
     public func canShrink(_ canShrink: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.canShrink = canShrink }
-        newSelf.canShrink = canShrink
-        return newSelf
     }
 
     /// The name of the displayed icon.
     /// 
     /// If empty, the icon is not shown.
     public func iconName(_ iconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.iconName = iconName }
-        newSelf.iconName = iconName
-        return newSelf
     }
 
     /// The displayed label.
     public func label(_ label: String?) -> Self {
-        var newSelf = self
+        modify { $0.label = label }
-        newSelf.label = label
-        return newSelf
     }
 
     /// Whether an underline in the text indicates a mnemonic.
@@ -137,9 +131,7 @@ public struct ButtonContent: AdwaitaWidget {
     /// 
     /// See ``label(_:)``.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/Carousel.swift

@@ -2,7 +2,7 @@
 //  Carousel.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -150,27 +150,21 @@ public struct Carousel<Element>: AdwaitaWidget where Element: Identifiable {
     /// 
     /// If the value is `false`, each swipe can only move to the adjacent pages.
     public func allowLongSwipes(_ allowLongSwipes: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.allowLongSwipes = allowLongSwipes }
-        newSelf.allowLongSwipes = allowLongSwipes
-        return newSelf
     }
 
     /// Sets whether the `AdwCarousel` can be dragged with mouse pointer.
     /// 
     /// If the value is `false`, dragging is only available on touch.
     public func allowMouseDrag(_ allowMouseDrag: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.allowMouseDrag = allowMouseDrag }
-        newSelf.allowMouseDrag = allowMouseDrag
-        return newSelf
     }
 
     /// Whether the widget will respond to scroll wheel events.
     /// 
     /// If the value is `false`, wheel events will be ignored.
     public func allowScrollWheel(_ allowScrollWheel: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.allowScrollWheel = allowScrollWheel }
-        newSelf.allowScrollWheel = allowScrollWheel
-        return newSelf
     }
 
     /// Whether the carousel can be navigated.
@@ -178,32 +172,24 @@ public struct Carousel<Element>: AdwaitaWidget where Element: Identifiable {
     /// This can be used to temporarily disable the carousel to only allow
     /// navigating it in a certain state.
     public func interactive(_ interactive: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.interactive = interactive }
-        newSelf.interactive = interactive
-        return newSelf
     }
 
     /// The number of pages in a `AdwCarousel`.
     public func nPages(_ nPages: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.nPages = nPages }
-        newSelf.nPages = nPages
-        return newSelf
     }
 
     /// Page reveal duration, in milliseconds.
     /// 
     /// Reveal duration is used when animating adding or removing pages.
     public func revealDuration(_ revealDuration: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.revealDuration = revealDuration }
-        newSelf.revealDuration = revealDuration
-        return newSelf
     }
 
     /// Spacing between pages in pixels.
     public func spacing(_ spacing: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.spacing = spacing }
-        newSelf.spacing = spacing
-        return newSelf
     }
 
     /// This signal is emitted after a page has been changed.

Sources/Adwaita/View/Generated/CenterBox.swift

@@ -2,7 +2,7 @@
 //  CenterBox.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -33,13 +33,13 @@ public struct CenterBox: AdwaitaWidget {
     /// The accessible role cannot be changed once set.
     var accessibleRole: String?
     /// The widget that is placed at the center position.
-    var centerWidget: (() -> Body)?
+    var centerWidget: Body?
     /// The widget that is placed at the end position.
     /// 
     /// In vertical orientation, the end position is at the bottom.
     /// In horizontal orientation, the end position is at the trailing
     /// edge with respect to the text direction.
-    var endWidget: (() -> Body)?
+    var endWidget: Body?
     /// Whether to shrink the center widget after other children.
     /// 
     /// By default, when there's no space to give all three children their
@@ -54,7 +54,7 @@ public struct CenterBox: AdwaitaWidget {
     /// In vertical orientation, the start position is at the top.
     /// In horizontal orientation, the start position is at the leading
     /// edge with respect to the text direction.
-    var startWidget: (() -> Body)?
+    var startWidget: Body?
 
     /// Initialize `CenterBox`.
     public init() {
@@ -71,15 +71,15 @@ public struct CenterBox: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let centerWidgetStorage = centerWidget?().storage(data: data, type: type) {
+        if let centerWidgetStorage = centerWidget?.storage(data: data, type: type) {
             storage.content["centerWidget"] = [centerWidgetStorage]
             gtk_center_box_set_center_widget(storage.opaquePointer, centerWidgetStorage.opaquePointer?.cast())
         }
-        if let endWidgetStorage = endWidget?().storage(data: data, type: type) {
+        if let endWidgetStorage = endWidget?.storage(data: data, type: type) {
             storage.content["endWidget"] = [endWidgetStorage]
             gtk_center_box_set_end_widget(storage.opaquePointer, endWidgetStorage.opaquePointer?.cast())
         }
-        if let startWidgetStorage = startWidget?().storage(data: data, type: type) {
+        if let startWidgetStorage = startWidget?.storage(data: data, type: type) {
             storage.content["startWidget"] = [startWidgetStorage]
             gtk_center_box_set_start_widget(storage.opaquePointer, startWidgetStorage.opaquePointer?.cast())
         }
@@ -97,16 +97,16 @@ public struct CenterBox: AdwaitaWidget {
         storage.modify { widget in
 
             if let widget = storage.content["centerWidget"]?.first {
-                centerWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                centerWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let widget = storage.content["endWidget"]?.first {
-                endWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                endWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let shrinkCenterLast, updateProperties, (storage.previousState as? Self)?.shrinkCenterLast != shrinkCenterLast {
                 gtk_center_box_set_shrink_center_last(widget, shrinkCenterLast.cBool)
             }
             if let widget = storage.content["startWidget"]?.first {
-                startWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                startWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
 
 
@@ -124,16 +124,12 @@ public struct CenterBox: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The widget that is placed at the center position.
-    public func centerWidget(@ViewBuilder _ centerWidget: @escaping (() -> Body)) -> Self {
+    public func centerWidget(@ViewBuilder _ centerWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.centerWidget = centerWidget() }
-        newSelf.centerWidget = centerWidget
-        return newSelf
     }
 
     /// The widget that is placed at the end position.
@@ -141,10 +137,8 @@ public struct CenterBox: AdwaitaWidget {
     /// In vertical orientation, the end position is at the bottom.
     /// In horizontal orientation, the end position is at the trailing
     /// edge with respect to the text direction.
-    public func endWidget(@ViewBuilder _ endWidget: @escaping (() -> Body)) -> Self {
+    public func endWidget(@ViewBuilder _ endWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.endWidget = endWidget() }
-        newSelf.endWidget = endWidget
-        return newSelf
     }
 
     /// Whether to shrink the center widget after other children.
@@ -156,9 +150,7 @@ public struct CenterBox: AdwaitaWidget {
     /// If false, start and end widgets keep natural width and the
     /// center widget starts shrinking instead.
     public func shrinkCenterLast(_ shrinkCenterLast: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.shrinkCenterLast = shrinkCenterLast }
-        newSelf.shrinkCenterLast = shrinkCenterLast
-        return newSelf
     }
 
     /// The widget that is placed at the start position.
@@ -166,10 +158,8 @@ public struct CenterBox: AdwaitaWidget {
     /// In vertical orientation, the start position is at the top.
     /// In horizontal orientation, the start position is at the leading
     /// edge with respect to the text direction.
-    public func startWidget(@ViewBuilder _ startWidget: @escaping (() -> Body)) -> Self {
+    public func startWidget(@ViewBuilder _ startWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.startWidget = startWidget() }
-        newSelf.startWidget = startWidget
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/CheckButton.swift

@@ -2,7 +2,7 @@
 //  CheckButton.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -39,7 +39,7 @@ public struct CheckButton: AdwaitaWidget {
     /// the check button and the indicator CSS node.
     var active: Binding<Bool>?
     /// The child widget.
-    var child: (() -> Body)?
+    var child: Body?
     /// If the check button is in an “in between” state.
     /// 
     /// The inconsistent state only affects visual appearance,
@@ -80,7 +80,7 @@ public struct CheckButton: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             gtk_check_button_set_child(storage.opaquePointer?.cast(), childStorage.opaquePointer?.cast())
         }
@@ -120,7 +120,7 @@ if let active, newValue != active.wrappedValue {
                 gtk_check_button_set_active(storage.opaquePointer?.cast(), active.wrappedValue.cBool)
             }
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let inconsistent, updateProperties, (storage.previousState as? Self)?.inconsistent != inconsistent {
                 gtk_check_button_set_inconsistent(widget?.cast(), inconsistent.cBool)
@@ -147,16 +147,12 @@ if let active, newValue != active.wrappedValue {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The name of the action with which this widget should be associated.
     public func actionName(_ actionName: String?) -> Self {
-        var newSelf = self
+        modify { $0.actionName = actionName }
-        newSelf.actionName = actionName
-        return newSelf
     }
 
     /// If the check button is active.
@@ -164,16 +160,12 @@ if let active, newValue != active.wrappedValue {
     /// Setting `active` to `true` will add the `:checked:` state to both
     /// the check button and the indicator CSS node.
     public func active(_ active: Binding<Bool>?) -> Self {
-        var newSelf = self
+        modify { $0.active = active }
-        newSelf.active = active
-        return newSelf
     }
 
     /// The child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// If the check button is in an “in between” state.
@@ -181,24 +173,18 @@ if let active, newValue != active.wrappedValue {
     /// The inconsistent state only affects visual appearance,
     /// not the semantics of the button.
     public func inconsistent(_ inconsistent: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.inconsistent = inconsistent }
-        newSelf.inconsistent = inconsistent
-        return newSelf
     }
 
     /// Text of the label inside the check button, if it contains a label widget.
     public func label(_ label: String?) -> Self {
-        var newSelf = self
+        modify { $0.label = label }
-        newSelf.label = label
-        return newSelf
     }
 
     /// If set, an underline in the text indicates that the following
     /// character is to be used as mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// Emitted to when the check button is activated.

Sources/Adwaita/View/Generated/Clamp.swift

@@ -2,7 +2,7 @@
 //  Clamp.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -34,7 +34,7 @@ public struct Clamp: AdwaitaWidget {
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
 
     /// The child widget of the `AdwClamp`.
-    var child: (() -> Body)?
+    var child: Body?
     /// The maximum size allocated to the child.
     /// 
     /// It is the width if the clamp is horizontal, or the height if it is vertical.
@@ -70,7 +70,7 @@ public struct Clamp: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             adw_clamp_set_child(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
@@ -88,7 +88,7 @@ public struct Clamp: AdwaitaWidget {
         storage.modify { widget in
 
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let maximumSize, updateProperties, (storage.previousState as? Self)?.maximumSize != maximumSize {
                 adw_clamp_set_maximum_size(widget, maximumSize.cInt)
@@ -109,19 +109,15 @@ public struct Clamp: AdwaitaWidget {
     }
 
     /// The child widget of the `AdwClamp`.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// The maximum size allocated to the child.
     /// 
     /// It is the width if the clamp is horizontal, or the height if it is vertical.
     public func maximumSize(_ maximumSize: Int?) -> Self {
-        var newSelf = self
+        modify { $0.maximumSize = maximumSize }
-        newSelf.maximumSize = maximumSize
-        return newSelf
     }
 
     /// The size above which the child is clamped.
@@ -139,9 +135,7 @@ public struct Clamp: AdwaitaWidget {
     /// Effectively, tightening the grip on the child before it reaches its maximum
     /// size makes transitions to and from the maximum size smoother when resizing.
     public func tighteningThreshold(_ tighteningThreshold: Int?) -> Self {
-        var newSelf = self
+        modify { $0.tighteningThreshold = tighteningThreshold }
-        newSelf.tighteningThreshold = tighteningThreshold
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/ComboRow.swift

@@ -2,7 +2,7 @@
 //  ComboRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -46,7 +46,7 @@ public struct ComboRow: AdwaitaWidget {
     /// 
     /// The target widget will be activated by emitting the
     /// `Gtk.Widget::mnemonic-activate` signal on it.
-    var activatableWidget: (() -> Body)?
+    var activatableWidget: Body?
     /// Whether to show a search entry in the popup.
     /// 
     /// If set to `true`, a search entry will be shown in the popup that
@@ -126,7 +126,7 @@ public struct ComboRow: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let activatableWidgetStorage = activatableWidget?().storage(data: data, type: type) {
+        if let activatableWidgetStorage = activatableWidget?.storage(data: data, type: type) {
             storage.content["activatableWidget"] = [activatableWidgetStorage]
             adw_action_row_set_activatable_widget(storage.opaquePointer?.cast(), activatableWidgetStorage.opaquePointer?.cast())
         }
@@ -167,7 +167,7 @@ if let selected, newValue != selected.wrappedValue {
 }
         }
             if let widget = storage.content["activatableWidget"]?.first {
-                activatableWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                activatableWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let enableSearch, updateProperties, (storage.previousState as? Self)?.enableSearch != enableSearch {
                 adw_combo_row_set_enable_search(widget?.cast(), enableSearch.cBool)
@@ -223,10 +223,8 @@ if let selected, newValue != selected.wrappedValue {
     /// 
     /// The target widget will be activated by emitting the
     /// `Gtk.Widget::mnemonic-activate` signal on it.
-    public func activatableWidget(@ViewBuilder _ activatableWidget: @escaping (() -> Body)) -> Self {
+    public func activatableWidget(@ViewBuilder _ activatableWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.activatableWidget = activatableWidget() }
-        newSelf.activatableWidget = activatableWidget
-        return newSelf
     }
 
     /// Whether to show a search entry in the popup.
@@ -236,9 +234,7 @@ if let selected, newValue != selected.wrappedValue {
     /// 
     /// Search requires ``expression(_:)`` to be set.
     public func enableSearch(_ enableSearch: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.enableSearch = enableSearch }
-        newSelf.enableSearch = enableSearch
-        return newSelf
     }
 
     /// The position of the selected item.
@@ -246,9 +242,7 @@ if let selected, newValue != selected.wrappedValue {
     /// If no item is selected, the property has the value
     /// `Gtk.INVALID_LIST_POSITION`
     public func selected(_ selected: Binding<UInt>?) -> Self {
-        var newSelf = self
+        modify { $0.selected = selected }
-        newSelf.selected = selected
-        return newSelf
     }
 
     /// The subtitle for this row.
@@ -256,9 +250,7 @@ if let selected, newValue != selected.wrappedValue {
     /// The subtitle is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func subtitle(_ subtitle: String?) -> Self {
-        var newSelf = self
+        modify { $0.subtitle = subtitle }
-        newSelf.subtitle = subtitle
-        return newSelf
     }
 
     /// The number of lines at the end of which the subtitle label will be
@@ -266,18 +258,14 @@ if let selected, newValue != selected.wrappedValue {
     /// 
     /// If the value is 0, the number of lines won't be limited.
     public func subtitleLines(_ subtitleLines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.subtitleLines = subtitleLines }
-        newSelf.subtitleLines = subtitleLines
-        return newSelf
     }
 
     /// Whether the user can copy the subtitle from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func subtitleSelectable(_ subtitleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.subtitleSelectable = subtitleSelectable }
-        newSelf.subtitleSelectable = subtitleSelectable
-        return newSelf
     }
 
     /// The title of the preference represented by this row.
@@ -285,27 +273,21 @@ if let selected, newValue != selected.wrappedValue {
     /// The title is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// The number of lines at the end of which the title label will be ellipsized.
     /// 
     /// If the value is 0, the number of lines won't be limited.
     public func titleLines(_ titleLines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.titleLines = titleLines }
-        newSelf.titleLines = titleLines
-        return newSelf
     }
 
     /// Whether the user can copy the title from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func titleSelectable(_ titleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.titleSelectable = titleSelectable }
-        newSelf.titleSelectable = titleSelectable
-        return newSelf
     }
 
     /// Whether to use Pango markup for the title label.
@@ -314,9 +296,7 @@ if let selected, newValue != selected.wrappedValue {
     /// 
     /// See also `Pango.parse_markup`.
     public func useMarkup(_ useMarkup: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useMarkup = useMarkup }
-        newSelf.useMarkup = useMarkup
-        return newSelf
     }
 
     /// Whether to use the current value as the subtitle.
@@ -329,16 +309,12 @@ if let selected, newValue != selected.wrappedValue {
     /// The subtitle is interpreted as Pango markup if
     /// ``useMarkup(_:)`` is set to `true`.
     public func useSubtitle(_ useSubtitle: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useSubtitle = useSubtitle }
-        newSelf.useSubtitle = useSubtitle
-        return newSelf
     }
 
     /// Whether an embedded underline in the title indicates a mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// This signal is emitted after the row has been activated.

Sources/Adwaita/View/Generated/DropDown.swift

@@ -2,7 +2,7 @@
 //  DropDown.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -139,9 +139,7 @@ if let selected, newValue != selected.wrappedValue {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// Whether to show a search entry in the popup.
@@ -149,9 +147,7 @@ if let selected, newValue != selected.wrappedValue {
     /// Note that search requires ``expression(_:)``
     /// to be set.
     public func enableSearch(_ enableSearch: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.enableSearch = enableSearch }
-        newSelf.enableSearch = enableSearch
-        return newSelf
     }
 
     /// The position of the selected item.
@@ -159,16 +155,12 @@ if let selected, newValue != selected.wrappedValue {
     /// If no item is selected, the property has the value
     /// %GTK_INVALID_LIST_POSITION.
     public func selected(_ selected: Binding<UInt>?) -> Self {
-        var newSelf = self
+        modify { $0.selected = selected }
-        newSelf.selected = selected
-        return newSelf
     }
 
     /// Whether to show an arrow within the GtkDropDown widget.
     public func showArrow(_ showArrow: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showArrow = showArrow }
-        newSelf.showArrow = showArrow
-        return newSelf
     }
 
     /// Emitted to when the drop down is activated.

Sources/Adwaita/View/Generated/Entry.swift

@@ -2,7 +2,7 @@
 //  Entry.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -69,7 +69,7 @@ public struct Entry: AdwaitaWidget {
     /// If undo/redo should be enabled for the editable.
     var enableUndo: Bool?
     /// A menu model whose contents will be appended to the context menu.
-    var extraMenu: (() -> Body)?
+    var extraMenu: Body?
     /// Whether the entry should draw a frame.
     var hasFrame: Bool?
     /// Which IM (input method) module should be used for this entry.
@@ -280,8 +280,8 @@ public struct Entry: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let menu = extraMenu?() {
+        if let extraMenu {
-            let childStorage = MenuCollection { menu }.getMenu(data: data)
+            let childStorage = MenuCollection { extraMenu }.getMenu(data: data)
             storage.content["extraMenu"] = [childStorage]
             gtk_entry_set_extra_menu(storage.opaquePointer?.cast(), childStorage.opaquePointer?.cast())
         }
@@ -354,7 +354,7 @@ if let text, newValue != text.wrappedValue {
                 gtk_editable_set_enable_undo(widget, enableUndo.cBool)
             }
             if let menu = storage.content["extraMenu"]?.first {
-                MenuCollection { extraMenu?() ?? [] }
+                MenuCollection { extraMenu ?? [] }
                     .updateStorage(menu, data: data.noModifiers, updateProperties: updateProperties, type: MenuContext.self)
             }
             if let hasFrame, updateProperties, (storage.previousState as? Self)?.hasFrame != hasFrame {
@@ -409,59 +409,43 @@ if let text, newValue != text.wrappedValue {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The current position of the insertion cursor in chars.
     public func cursorPosition(_ cursorPosition: Int?) -> Self {
-        var newSelf = self
+        modify { $0.cursorPosition = cursorPosition }
-        newSelf.cursorPosition = cursorPosition
-        return newSelf
     }
 
     /// Whether the entry contents can be edited.
     public func editable(_ editable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.editable = editable }
-        newSelf.editable = editable
-        return newSelf
     }
 
     /// Indicates whether editing on the cell has been canceled.
     public func editingCanceled(_ editingCanceled: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.editingCanceled = editingCanceled }
-        newSelf.editingCanceled = editingCanceled
-        return newSelf
     }
 
     /// Whether to suggest Emoji replacements for :-delimited names
     /// like `:heart:`.
     public func enableEmojiCompletion(_ enableEmojiCompletion: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.enableEmojiCompletion = enableEmojiCompletion }
-        newSelf.enableEmojiCompletion = enableEmojiCompletion
-        return newSelf
     }
 
     /// If undo/redo should be enabled for the editable.
     public func enableUndo(_ enableUndo: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.enableUndo = enableUndo }
-        newSelf.enableUndo = enableUndo
-        return newSelf
     }
 
     /// A menu model whose contents will be appended to the context menu.
-    public func extraMenu(@ViewBuilder _ extraMenu: @escaping (() -> Body)) -> Self {
+    public func extraMenu(@ViewBuilder _ extraMenu: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.extraMenu = extraMenu() }
-        newSelf.extraMenu = extraMenu
-        return newSelf
     }
 
     /// Whether the entry should draw a frame.
     public func hasFrame(_ hasFrame: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.hasFrame = hasFrame }
-        newSelf.hasFrame = hasFrame
-        return newSelf
     }
 
     /// Which IM (input method) module should be used for this entry.
@@ -472,37 +456,27 @@ if let text, newValue != text.wrappedValue {
     /// module setting. See the GtkSettings ``gtkImModule(_:)``
     /// property.
     public func imModule(_ imModule: String?) -> Self {
-        var newSelf = self
+        modify { $0.imModule = imModule }
-        newSelf.imModule = imModule
-        return newSelf
     }
 
     /// The character to use when masking entry contents (“password mode”).
     public func invisibleCharacter(_ invisibleCharacter: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.invisibleCharacter = invisibleCharacter }
-        newSelf.invisibleCharacter = invisibleCharacter
-        return newSelf
     }
 
     /// Whether the invisible char has been set for the `GtkEntry`.
     public func invisibleCharacterSet(_ invisibleCharacterSet: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.invisibleCharacterSet = invisibleCharacterSet }
-        newSelf.invisibleCharacterSet = invisibleCharacterSet
-        return newSelf
     }
 
     /// Maximum number of characters for this entry.
     public func maxLength(_ maxLength: Int?) -> Self {
-        var newSelf = self
+        modify { $0.maxLength = maxLength }
-        newSelf.maxLength = maxLength
-        return newSelf
     }
 
     /// The desired maximum width of the entry, in characters.
     public func maxWidthChars(_ maxWidthChars: Int?) -> Self {
-        var newSelf = self
+        modify { $0.maxWidthChars = maxWidthChars }
-        newSelf.maxWidthChars = maxWidthChars
-        return newSelf
     }
 
     /// Text for an item in the context menu to activate the primary icon action.
@@ -518,9 +492,7 @@ if let text, newValue != text.wrappedValue {
     /// menu. This set of methods greatly simplifies this, by adding a menu item that, when
     /// enabled, calls the same callback than clicking on the icon.
     public func menuEntryIconPrimaryText(_ menuEntryIconPrimaryText: String?) -> Self {
-        var newSelf = self
+        modify { $0.menuEntryIconPrimaryText = menuEntryIconPrimaryText }
-        newSelf.menuEntryIconPrimaryText = menuEntryIconPrimaryText
-        return newSelf
     }
 
     /// Text for an item in the context menu to activate the secondary icon action.
@@ -536,24 +508,18 @@ if let text, newValue != text.wrappedValue {
     /// menu. This set of methods greatly simplifies this, by adding a menu item that, when
     /// enabled, calls the same callback than clicking on the icon.
     public func menuEntryIconSecondaryText(_ menuEntryIconSecondaryText: String?) -> Self {
-        var newSelf = self
+        modify { $0.menuEntryIconSecondaryText = menuEntryIconSecondaryText }
-        newSelf.menuEntryIconSecondaryText = menuEntryIconSecondaryText
-        return newSelf
     }
 
     /// If text is overwritten when typing in the `GtkEntry`.
     public func overwriteMode(_ overwriteMode: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.overwriteMode = overwriteMode }
-        newSelf.overwriteMode = overwriteMode
-        return newSelf
     }
 
     /// The text that will be displayed in the `GtkEntry` when it is empty
     /// and unfocused.
     public func placeholderText(_ placeholderText: String?) -> Self {
-        var newSelf = self
+        modify { $0.placeholderText = placeholderText }
-        newSelf.placeholderText = placeholderText
-        return newSelf
     }
 
     /// Whether the primary icon is activatable.
@@ -565,16 +531,12 @@ if let text, newValue != text.wrappedValue {
     /// Sensitive, but non-activatable icons can be used for purely
     /// informational purposes.
     public func primaryIconActivatable(_ primaryIconActivatable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.primaryIconActivatable = primaryIconActivatable }
-        newSelf.primaryIconActivatable = primaryIconActivatable
-        return newSelf
     }
 
     /// The icon name to use for the primary icon for the entry.
     public func primaryIconName(_ primaryIconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.primaryIconName = primaryIconName }
-        newSelf.primaryIconName = primaryIconName
-        return newSelf
     }
 
     /// Whether the primary icon is sensitive.
@@ -586,34 +548,26 @@ if let text, newValue != text.wrappedValue {
     /// An icon should be set insensitive if the action that would trigger
     /// when clicked is currently not available.
     public func primaryIconSensitive(_ primaryIconSensitive: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.primaryIconSensitive = primaryIconSensitive }
-        newSelf.primaryIconSensitive = primaryIconSensitive
-        return newSelf
     }
 
     /// The contents of the tooltip on the primary icon, with markup.
     /// 
     /// Also see `Gtk.Entry.set_icon_tooltip_markup`.
     public func primaryIconTooltipMarkup(_ primaryIconTooltipMarkup: String?) -> Self {
-        var newSelf = self
+        modify { $0.primaryIconTooltipMarkup = primaryIconTooltipMarkup }
-        newSelf.primaryIconTooltipMarkup = primaryIconTooltipMarkup
-        return newSelf
     }
 
     /// The contents of the tooltip on the primary icon.
     /// 
     /// Also see `Gtk.Entry.set_icon_tooltip_text`.
     public func primaryIconTooltipText(_ primaryIconTooltipText: String?) -> Self {
-        var newSelf = self
+        modify { $0.primaryIconTooltipText = primaryIconTooltipText }
-        newSelf.primaryIconTooltipText = primaryIconTooltipText
-        return newSelf
     }
 
     /// The current fraction of the task that's been completed.
     public func progressFraction(_ progressFraction: Double?) -> Self {
-        var newSelf = self
+        modify { $0.progressFraction = progressFraction }
-        newSelf.progressFraction = progressFraction
-        return newSelf
     }
 
     /// The fraction of total entry width to move the progress
@@ -621,16 +575,12 @@ if let text, newValue != text.wrappedValue {
     /// 
     /// See `Gtk.Entry.progress_pulse`.
     public func progressPulseStep(_ progressPulseStep: Double?) -> Self {
-        var newSelf = self
+        modify { $0.progressPulseStep = progressPulseStep }
-        newSelf.progressPulseStep = progressPulseStep
-        return newSelf
     }
 
     /// Number of pixels of the entry scrolled off the screen to the left.
     public func scrollOffset(_ scrollOffset: Int?) -> Self {
-        var newSelf = self
+        modify { $0.scrollOffset = scrollOffset }
-        newSelf.scrollOffset = scrollOffset
-        return newSelf
     }
 
     /// Whether the secondary icon is activatable.
@@ -642,16 +592,12 @@ if let text, newValue != text.wrappedValue {
     /// Sensitive, but non-activatable icons can be used for purely
     /// informational purposes.
     public func secondaryIconActivatable(_ secondaryIconActivatable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.secondaryIconActivatable = secondaryIconActivatable }
-        newSelf.secondaryIconActivatable = secondaryIconActivatable
-        return newSelf
     }
 
     /// The icon name to use for the secondary icon for the entry.
     public func secondaryIconName(_ secondaryIconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.secondaryIconName = secondaryIconName }
-        newSelf.secondaryIconName = secondaryIconName
-        return newSelf
     }
 
     /// Whether the secondary icon is sensitive.
@@ -663,87 +609,65 @@ if let text, newValue != text.wrappedValue {
     /// An icon should be set insensitive if the action that would trigger
     /// when clicked is currently not available.
     public func secondaryIconSensitive(_ secondaryIconSensitive: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.secondaryIconSensitive = secondaryIconSensitive }
-        newSelf.secondaryIconSensitive = secondaryIconSensitive
-        return newSelf
     }
 
     /// The contents of the tooltip on the secondary icon, with markup.
     /// 
     /// Also see `Gtk.Entry.set_icon_tooltip_markup`.
     public func secondaryIconTooltipMarkup(_ secondaryIconTooltipMarkup: String?) -> Self {
-        var newSelf = self
+        modify { $0.secondaryIconTooltipMarkup = secondaryIconTooltipMarkup }
-        newSelf.secondaryIconTooltipMarkup = secondaryIconTooltipMarkup
-        return newSelf
     }
 
     /// The contents of the tooltip on the secondary icon.
     /// 
     /// Also see `Gtk.Entry.set_icon_tooltip_text`.
     public func secondaryIconTooltipText(_ secondaryIconTooltipText: String?) -> Self {
-        var newSelf = self
+        modify { $0.secondaryIconTooltipText = secondaryIconTooltipText }
-        newSelf.secondaryIconTooltipText = secondaryIconTooltipText
-        return newSelf
     }
 
     /// The position of the opposite end of the selection from the cursor in chars.
     public func selectionBound(_ selectionBound: Int?) -> Self {
-        var newSelf = self
+        modify { $0.selectionBound = selectionBound }
-        newSelf.selectionBound = selectionBound
-        return newSelf
     }
 
     /// Whether the entry will show an Emoji icon in the secondary icon position
     /// to open the Emoji chooser.
     public func showEmojiIcon(_ showEmojiIcon: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showEmojiIcon = showEmojiIcon }
-        newSelf.showEmojiIcon = showEmojiIcon
-        return newSelf
     }
 
     /// The contents of the entry.
     public func text(_ text: Binding<String>?) -> Self {
-        var newSelf = self
+        modify { $0.text = text }
-        newSelf.text = text
-        return newSelf
     }
 
     /// The length of the text in the `GtkEntry`.
     public func textLength(_ textLength: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.textLength = textLength }
-        newSelf.textLength = textLength
-        return newSelf
     }
 
     /// When `true`, pasted multi-line text is truncated to the first line.
     public func truncateMultiline(_ truncateMultiline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.truncateMultiline = truncateMultiline }
-        newSelf.truncateMultiline = truncateMultiline
-        return newSelf
     }
 
     /// Whether the entry should show the “invisible char” instead of the
     /// actual text (“password mode”).
     public func visibility(_ visibility: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.visibility = visibility }
-        newSelf.visibility = visibility
-        return newSelf
     }
 
     /// Number of characters to leave space for in the entry.
     public func widthChars(_ widthChars: Int?) -> Self {
-        var newSelf = self
+        modify { $0.widthChars = widthChars }
-        newSelf.widthChars = widthChars
-        return newSelf
     }
 
     /// The horizontal alignment, from 0 (left) to 1 (right).
     /// 
     /// Reversed for RTL layouts.
     public func xalign(_ xalign: Float?) -> Self {
-        var newSelf = self
+        modify { $0.xalign = xalign }
-        newSelf.xalign = xalign
-        return newSelf
     }
 
     /// Emitted when the entry is activated.

Sources/Adwaita/View/Generated/EntryRow.swift

@@ -2,7 +2,7 @@
 //  EntryRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -194,25 +194,19 @@ public struct EntryRow: AdwaitaWidget {
 
     /// Whether activating the embedded entry can activate the default widget.
     public func activatesDefault(_ activatesDefault: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.activatesDefault = activatesDefault }
-        newSelf.activatesDefault = activatesDefault
-        return newSelf
     }
 
     /// Whether to suggest emoji replacements on the entry row.
     /// 
     /// Emoji replacement is done with :-delimited names, like `:heart:`.
     public func enableEmojiCompletion(_ enableEmojiCompletion: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.enableEmojiCompletion = enableEmojiCompletion }
-        newSelf.enableEmojiCompletion = enableEmojiCompletion
-        return newSelf
     }
 
     /// Maximum number of characters for the entry.
     public func maxLength(_ maxLength: Int?) -> Self {
-        var newSelf = self
+        modify { $0.maxLength = maxLength }
-        newSelf.maxLength = maxLength
-        return newSelf
     }
 
     /// Whether to show the apply button.
@@ -225,16 +219,12 @@ public struct EntryRow: AdwaitaWidget {
     /// operation, e.g. network activity, to avoid triggering it after typing every
     /// character.
     public func showApplyButton(_ showApplyButton: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showApplyButton = showApplyButton }
-        newSelf.showApplyButton = showApplyButton
-        return newSelf
     }
 
     /// The length of the text in the entry row.
     public func textLength(_ textLength: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.textLength = textLength }
-        newSelf.textLength = textLength
-        return newSelf
     }
 
     /// The title of the preference represented by this row.
@@ -242,18 +232,14 @@ public struct EntryRow: AdwaitaWidget {
     /// The title is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// Whether the user can copy the title from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func titleSelectable(_ titleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.titleSelectable = titleSelectable }
-        newSelf.titleSelectable = titleSelectable
-        return newSelf
     }
 
     /// Whether to use Pango markup for the title label.
@@ -262,16 +248,12 @@ public struct EntryRow: AdwaitaWidget {
     /// 
     /// See also `Pango.parse_markup`.
     public func useMarkup(_ useMarkup: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useMarkup = useMarkup }
-        newSelf.useMarkup = useMarkup
-        return newSelf
     }
 
     /// Whether an embedded underline in the title indicates a mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// Emitted when the apply button is pressed.

Sources/Adwaita/View/Generated/ExpanderRow.swift

@@ -2,7 +2,7 @@
 //  ExpanderRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -206,23 +206,17 @@ if let expanded, newValue != expanded.wrappedValue {
 
     /// Whether expansion is enabled.
     public func enableExpansion(_ enableExpansion: Binding<Bool>?) -> Self {
-        var newSelf = self
+        modify { $0.enableExpansion = enableExpansion }
-        newSelf.enableExpansion = enableExpansion
-        return newSelf
     }
 
     /// Whether the row is expanded.
     public func expanded(_ expanded: Binding<Bool>?) -> Self {
-        var newSelf = self
+        modify { $0.expanded = expanded }
-        newSelf.expanded = expanded
-        return newSelf
     }
 
     /// Whether the switch enabling the expansion is visible.
     public func showEnableSwitch(_ showEnableSwitch: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showEnableSwitch = showEnableSwitch }
-        newSelf.showEnableSwitch = showEnableSwitch
-        return newSelf
     }
 
     /// The subtitle for this row.
@@ -230,9 +224,7 @@ if let expanded, newValue != expanded.wrappedValue {
     /// The subtitle is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func subtitle(_ subtitle: String?) -> Self {
-        var newSelf = self
+        modify { $0.subtitle = subtitle }
-        newSelf.subtitle = subtitle
-        return newSelf
     }
 
     /// The number of lines at the end of which the subtitle label will be
@@ -240,9 +232,7 @@ if let expanded, newValue != expanded.wrappedValue {
     /// 
     /// If the value is 0, the number of lines won't be limited.
     public func subtitleLines(_ subtitleLines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.subtitleLines = subtitleLines }
-        newSelf.subtitleLines = subtitleLines
-        return newSelf
     }
 
     /// The title of the preference represented by this row.
@@ -250,27 +240,21 @@ if let expanded, newValue != expanded.wrappedValue {
     /// The title is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// The number of lines at the end of which the title label will be ellipsized.
     /// 
     /// If the value is 0, the number of lines won't be limited.
     public func titleLines(_ titleLines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.titleLines = titleLines }
-        newSelf.titleLines = titleLines
-        return newSelf
     }
 
     /// Whether the user can copy the title from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func titleSelectable(_ titleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.titleSelectable = titleSelectable }
-        newSelf.titleSelectable = titleSelectable
-        return newSelf
     }
 
     /// Whether to use Pango markup for the title label.
@@ -279,16 +263,12 @@ if let expanded, newValue != expanded.wrappedValue {
     /// 
     /// See also `Pango.parse_markup`.
     public func useMarkup(_ useMarkup: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useMarkup = useMarkup }
-        newSelf.useMarkup = useMarkup
-        return newSelf
     }
 
     /// Whether an embedded underline in the title indicates a mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// Set the body for "rows".

Sources/Adwaita/View/Generated/Fixed.swift

@@ -2,7 +2,7 @@
 //  Fixed.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -101,9 +101,7 @@ public struct Fixed: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/FlowBox.swift

@@ -2,7 +2,7 @@
 //  FlowBox.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -238,49 +238,37 @@ public struct FlowBox<Element>: AdwaitaWidget where Element: Identifiable {
 
     /// Whether to accept unpaired release events.
     public func acceptUnpairedRelease(_ acceptUnpairedRelease: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.acceptUnpairedRelease = acceptUnpairedRelease }
-        newSelf.acceptUnpairedRelease = acceptUnpairedRelease
-        return newSelf
     }
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// Determines whether children can be activated with a single
     /// click, or require a double-click.
     public func activateOnSingleClick(_ activateOnSingleClick: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.activateOnSingleClick = activateOnSingleClick }
-        newSelf.activateOnSingleClick = activateOnSingleClick
-        return newSelf
     }
 
     /// The amount of horizontal space between two children.
     public func columnSpacing(_ columnSpacing: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.columnSpacing = columnSpacing }
-        newSelf.columnSpacing = columnSpacing
-        return newSelf
     }
 
     /// Determines whether all children should be allocated the
     /// same size.
     public func homogeneous(_ homogeneous: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.homogeneous = homogeneous }
-        newSelf.homogeneous = homogeneous
-        return newSelf
     }
 
     /// The maximum amount of children to request space for consecutively
     /// in the given orientation.
     public func maxChildrenPerLine(_ maxChildrenPerLine: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.maxChildrenPerLine = maxChildrenPerLine }
-        newSelf.maxChildrenPerLine = maxChildrenPerLine
-        return newSelf
     }
 
     /// The minimum number of children to allocate consecutively
@@ -290,16 +278,12 @@ public struct FlowBox<Element>: AdwaitaWidget where Element: Identifiable {
     /// that a reasonably small height will be requested
     /// for the overall minimum width of the box.
     public func minChildrenPerLine(_ minChildrenPerLine: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.minChildrenPerLine = minChildrenPerLine }
-        newSelf.minChildrenPerLine = minChildrenPerLine
-        return newSelf
     }
 
     /// The amount of vertical space between two children.
     public func rowSpacing(_ rowSpacing: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.rowSpacing = rowSpacing }
-        newSelf.rowSpacing = rowSpacing
-        return newSelf
     }
 
     /// Emitted when the user activates the @box.

Sources/Adwaita/View/Generated/HeaderBar.swift

@@ -2,7 +2,7 @@
 //  HeaderBar.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -72,7 +72,7 @@ public struct HeaderBar: AdwaitaWidget {
     /// ```xml
     /// <object class="AdwHeaderBar"><property name="title-widget"><object class="AdwWindowTitle"><property name="title" translatable="yes">Title</property></object></property></object>
     /// ```
-    var titleWidget: (() -> Body)?
+    var titleWidget: Body?
     /// The body for the widget "start".
     var start: () -> Body = { [] }
     /// The body for the widget "end".
@@ -93,7 +93,7 @@ public struct HeaderBar: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let titleWidgetStorage = titleWidget?().storage(data: data, type: type) {
+        if let titleWidgetStorage = titleWidget?.storage(data: data, type: type) {
             storage.content["titleWidget"] = [titleWidgetStorage]
             adw_header_bar_set_title_widget(storage.opaquePointer, titleWidgetStorage.opaquePointer?.cast())
         }
@@ -138,7 +138,7 @@ public struct HeaderBar: AdwaitaWidget {
                 adw_header_bar_set_show_title(widget, showTitle.cBool)
             }
             if let widget = storage.content["titleWidget"]?.first {
-                titleWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                titleWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
 
             if let startStorage = storage.content["start"] {
@@ -189,9 +189,7 @@ public struct HeaderBar: AdwaitaWidget {
     /// For example, “icon:minimize,maximize,close” specifies an icon at the start,
     /// and minimize, maximize and close buttons at the end.
     public func decorationLayout(_ decorationLayout: String?) -> Self {
-        var newSelf = self
+        modify { $0.decorationLayout = decorationLayout }
-        newSelf.decorationLayout = decorationLayout
-        return newSelf
     }
 
     /// Whether the header bar can show the back button.
@@ -199,9 +197,7 @@ public struct HeaderBar: AdwaitaWidget {
     /// The back button will never be shown unless the header bar is placed inside an
     /// `NavigationView`. Usually, there is no reason to set this to `false`.
     public func showBackButton(_ showBackButton: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showBackButton = showBackButton }
-        newSelf.showBackButton = showBackButton
-        return newSelf
     }
 
     /// Whether to show title buttons at the end of the header bar.
@@ -213,9 +209,7 @@ public struct HeaderBar: AdwaitaWidget {
     /// window (e.g. a close button will not be shown if the window can't be
     /// closed).
     public func showEndTitleButtons(_ showEndTitleButtons: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showEndTitleButtons = showEndTitleButtons }
-        newSelf.showEndTitleButtons = showEndTitleButtons
-        return newSelf
     }
 
     /// Whether to show title buttons at the start of the header bar.
@@ -227,16 +221,12 @@ public struct HeaderBar: AdwaitaWidget {
     /// window (e.g. a close button will not be shown if the window can't be
     /// closed).
     public func showStartTitleButtons(_ showStartTitleButtons: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showStartTitleButtons = showStartTitleButtons }
-        newSelf.showStartTitleButtons = showStartTitleButtons
-        return newSelf
     }
 
     /// Whether the title widget should be shown.
     public func showTitle(_ showTitle: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showTitle = showTitle }
-        newSelf.showTitle = showTitle
-        return newSelf
     }
 
     /// The title widget to display.
@@ -249,10 +239,8 @@ public struct HeaderBar: AdwaitaWidget {
     /// ```xml
     /// <object class="AdwHeaderBar"><property name="title-widget"><object class="AdwWindowTitle"><property name="title" translatable="yes">Title</property></object></property></object>
     /// ```
-    public func titleWidget(@ViewBuilder _ titleWidget: @escaping (() -> Body)) -> Self {
+    public func titleWidget(@ViewBuilder _ titleWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.titleWidget = titleWidget() }
-        newSelf.titleWidget = titleWidget
-        return newSelf
     }
 
     /// Set the body for "start".

Sources/Adwaita/View/Generated/Image.swift

@@ -2,7 +2,7 @@
 //  Image.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -121,18 +121,14 @@ public struct Image: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The name of the icon in the icon theme.
     /// 
     /// If the icon theme is changed, the image will be updated automatically.
     public func iconName(_ iconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.iconName = iconName }
-        newSelf.iconName = iconName
-        return newSelf
     }
 
     /// The size in pixels to display icons at.
@@ -141,23 +137,17 @@ public struct Image: AdwaitaWidget {
     /// ``iconSize(_:)`` property for images of type
     /// `GTK_IMAGE_ICON_NAME`.
     public func pixelSize(_ pixelSize: Int?) -> Self {
-        var newSelf = self
+        modify { $0.pixelSize = pixelSize }
-        newSelf.pixelSize = pixelSize
-        return newSelf
     }
 
     /// A path to a resource file to display.
     public func resource(_ resource: String?) -> Self {
-        var newSelf = self
+        modify { $0.resource = resource }
-        newSelf.resource = resource
-        return newSelf
     }
 
     /// The representation being used for image data.
     public func storageType(_ storageType: String?) -> Self {
-        var newSelf = self
+        modify { $0.storageType = storageType }
-        newSelf.storageType = storageType
-        return newSelf
     }
 
     /// Whether the icon displayed in the `GtkImage` will use
@@ -166,9 +156,7 @@ public struct Image: AdwaitaWidget {
     /// The value of this property is only relevant for images of type
     /// %GTK_IMAGE_ICON_NAME and %GTK_IMAGE_GICON.
     public func useFallback(_ useFallback: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useFallback = useFallback }
-        newSelf.useFallback = useFallback
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/Label.swift

@@ -2,7 +2,7 @@
 //  Label.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -64,7 +64,7 @@ public struct Label: AdwaitaWidget {
     /// The mnemonic accelerator key for the label.
     var mnemonicKeyval: UInt?
     /// The widget to be activated when the labels mnemonic key is pressed.
-    var mnemonicWidget: (() -> Body)?
+    var mnemonicWidget: Body?
     /// Whether the label text can be selected with the mouse.
     var selectable: Bool?
     /// Whether the label is in single line mode.
@@ -122,7 +122,7 @@ public struct Label: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let mnemonicWidgetStorage = mnemonicWidget?().storage(data: data, type: type) {
+        if let mnemonicWidgetStorage = mnemonicWidget?.storage(data: data, type: type) {
             storage.content["mnemonicWidget"] = [mnemonicWidgetStorage]
             gtk_label_set_mnemonic_widget(storage.opaquePointer, mnemonicWidgetStorage.opaquePointer?.cast())
         }
@@ -154,7 +154,7 @@ public struct Label: AdwaitaWidget {
                 gtk_label_set_max_width_chars(widget, maxWidthChars.cInt)
             }
             if let widget = storage.content["mnemonicWidget"]?.first {
-                mnemonicWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                mnemonicWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let selectable, updateProperties, (storage.previousState as? Self)?.selectable != selectable {
                 gtk_label_set_selectable(widget, selectable.cBool)
@@ -196,9 +196,7 @@ public struct Label: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The contents of the label.
@@ -214,9 +212,7 @@ public struct Label: AdwaitaWidget {
     /// set the ``useUnderline(_:)`` property to true in order
     /// for the label to display them.
     public func label(_ label: String) -> Self {
-        var newSelf = self
+        modify { $0.label = label }
-        newSelf.label = label
-        return newSelf
     }
 
     /// The number of lines to which an ellipsized, wrapping label
@@ -235,9 +231,7 @@ public struct Label: AdwaitaWidget {
     /// 
     /// Set this property to -1 if you don't want to limit the number of lines.
     public func lines(_ lines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.lines = lines }
-        newSelf.lines = lines
-        return newSelf
     }
 
     /// The desired maximum width of the label, in characters.
@@ -246,30 +240,22 @@ public struct Label: AdwaitaWidget {
     /// 
     /// See the section on [text layout](class.Label.html
     public func maxWidthChars(_ maxWidthChars: Int?) -> Self {
-        var newSelf = self
+        modify { $0.maxWidthChars = maxWidthChars }
-        newSelf.maxWidthChars = maxWidthChars
-        return newSelf
     }
 
     /// The mnemonic accelerator key for the label.
     public func mnemonicKeyval(_ mnemonicKeyval: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.mnemonicKeyval = mnemonicKeyval }
-        newSelf.mnemonicKeyval = mnemonicKeyval
-        return newSelf
     }
 
     /// The widget to be activated when the labels mnemonic key is pressed.
-    public func mnemonicWidget(@ViewBuilder _ mnemonicWidget: @escaping (() -> Body)) -> Self {
+    public func mnemonicWidget(@ViewBuilder _ mnemonicWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.mnemonicWidget = mnemonicWidget() }
-        newSelf.mnemonicWidget = mnemonicWidget
-        return newSelf
     }
 
     /// Whether the label text can be selected with the mouse.
     public func selectable(_ selectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.selectable = selectable }
-        newSelf.selectable = selectable
-        return newSelf
     }
 
     /// Whether the label is in single line mode.
@@ -279,26 +265,20 @@ public struct Label: AdwaitaWidget {
     /// can be an advantage in situations where resizing the label because
     /// of text changes would be distracting, e.g. in a statusbar.
     public func singleLineMode(_ singleLineMode: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.singleLineMode = singleLineMode }
-        newSelf.singleLineMode = singleLineMode
-        return newSelf
     }
 
     /// True if the text of the label includes Pango markup.
     /// 
     /// See `Pango.parse_markup`.
     public func useMarkup(_ useMarkup: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useMarkup = useMarkup }
-        newSelf.useMarkup = useMarkup
-        return newSelf
     }
 
     /// True if the text of the label indicates a mnemonic with an `_`
     /// before the mnemonic character.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// The desired width of the label, in characters.
@@ -307,16 +287,12 @@ public struct Label: AdwaitaWidget {
     /// 
     /// See the section on [text layout](class.Label.html
     public func widthChars(_ widthChars: Int?) -> Self {
-        var newSelf = self
+        modify { $0.widthChars = widthChars }
-        newSelf.widthChars = widthChars
-        return newSelf
     }
 
     /// True if the label text will wrap if it gets too wide.
     public func wrap(_ wrap: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.wrap = wrap }
-        newSelf.wrap = wrap
-        return newSelf
     }
 
     /// The horizontal alignment of the label text inside its size allocation.
@@ -324,9 +300,7 @@ public struct Label: AdwaitaWidget {
     /// Compare this to ``halign(_:)``, which determines how the
     /// labels size allocation is positioned in the space available for the label.
     public func xalign(_ xalign: Float?) -> Self {
-        var newSelf = self
+        modify { $0.xalign = xalign }
-        newSelf.xalign = xalign
-        return newSelf
     }
 
     /// The vertical alignment of the label text inside its size allocation.
@@ -334,9 +308,7 @@ public struct Label: AdwaitaWidget {
     /// Compare this to ``valign(_:)``, which determines how the
     /// labels size allocation is positioned in the space available for the label.
     public func yalign(_ yalign: Float?) -> Self {
-        var newSelf = self
+        modify { $0.yalign = yalign }
-        newSelf.yalign = yalign
-        return newSelf
     }
 
     /// Gets emitted to copy the selection to the clipboard.

Sources/Adwaita/View/Generated/LevelBar.swift

@@ -2,7 +2,7 @@
 //  LevelBar.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -120,9 +120,7 @@ public struct LevelBar: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// Whether the `GtkLeveBar` is inverted.
@@ -130,30 +128,22 @@ public struct LevelBar: AdwaitaWidget {
     /// Level bars normally grow from top to bottom or left to right.
     /// Inverted level bars grow in the opposite direction.
     public func inverted(_ inverted: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.inverted = inverted }
-        newSelf.inverted = inverted
-        return newSelf
     }
 
     /// Determines the maximum value of the interval that can be displayed by the bar.
     public func maxValue(_ maxValue: Double?) -> Self {
-        var newSelf = self
+        modify { $0.maxValue = maxValue }
-        newSelf.maxValue = maxValue
-        return newSelf
     }
 
     /// Determines the minimum value of the interval that can be displayed by the bar.
     public func minValue(_ minValue: Double?) -> Self {
-        var newSelf = self
+        modify { $0.minValue = minValue }
-        newSelf.minValue = minValue
-        return newSelf
     }
 
     /// Determines the currently filled value of the level bar.
     public func value(_ value: Double?) -> Self {
-        var newSelf = self
+        modify { $0.value = value }
-        newSelf.value = value
-        return newSelf
     }
 
     /// Emitted when an offset specified on the bar changes value.

Sources/Adwaita/View/Generated/LinkButton.swift

@@ -2,7 +2,7 @@
 //  LinkButton.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -49,7 +49,7 @@ public struct LinkButton: AdwaitaWidget {
     /// property has no effect.
     var canShrink: Bool?
     /// The child widget.
-    var child: (() -> Body)?
+    var child: Body?
     /// Whether the button has a frame.
     var hasFrame: Bool?
     /// The name of the icon used to automatically populate the button.
@@ -92,7 +92,7 @@ public struct LinkButton: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             gtk_button_set_child(storage.opaquePointer?.cast(), childStorage.opaquePointer?.cast())
         }
@@ -126,7 +126,7 @@ public struct LinkButton: AdwaitaWidget {
                 gtk_button_set_can_shrink(widget?.cast(), canShrink.cBool)
             }
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let hasFrame, updateProperties, (storage.previousState as? Self)?.hasFrame != hasFrame {
                 gtk_button_set_has_frame(widget?.cast(), hasFrame.cBool)
@@ -162,16 +162,12 @@ public struct LinkButton: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The name of the action with which this widget should be associated.
     public func actionName(_ actionName: String?) -> Self {
-        var newSelf = self
+        modify { $0.actionName = actionName }
-        newSelf.actionName = actionName
-        return newSelf
     }
 
     /// Whether the size of the button can be made smaller than the natural
@@ -182,61 +178,45 @@ public struct LinkButton: AdwaitaWidget {
     /// If the contents of a button are an icon or a custom widget, setting this
     /// property has no effect.
     public func canShrink(_ canShrink: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.canShrink = canShrink }
-        newSelf.canShrink = canShrink
-        return newSelf
     }
 
     /// The child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// Whether the button has a frame.
     public func hasFrame(_ hasFrame: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.hasFrame = hasFrame }
-        newSelf.hasFrame = hasFrame
-        return newSelf
     }
 
     /// The name of the icon used to automatically populate the button.
     public func iconName(_ iconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.iconName = iconName }
-        newSelf.iconName = iconName
-        return newSelf
     }
 
     /// Text of the label inside the button, if the button contains a label widget.
     public func label(_ label: String?) -> Self {
-        var newSelf = self
+        modify { $0.label = label }
-        newSelf.label = label
-        return newSelf
     }
 
     /// The URI bound to this button.
     public func uri(_ uri: String) -> Self {
-        var newSelf = self
+        modify { $0.uri = uri }
-        newSelf.uri = uri
-        return newSelf
     }
 
     /// If set, an underline in the text indicates that the following character is
     /// to be used as mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// The 'visited' state of this button.
     /// 
     /// A visited link is drawn in a different color.
     public func visited(_ visited: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.visited = visited }
-        newSelf.visited = visited
-        return newSelf
     }
 
     /// Emitted to animate press then release.

Sources/Adwaita/View/Generated/ListBox.swift

@@ -2,7 +2,7 @@
 //  ListBox.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -208,33 +208,25 @@ public struct ListBox<Element>: AdwaitaWidget where Element: Identifiable {
 
     /// Whether to accept unpaired release events.
     public func acceptUnpairedRelease(_ acceptUnpairedRelease: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.acceptUnpairedRelease = acceptUnpairedRelease }
-        newSelf.acceptUnpairedRelease = acceptUnpairedRelease
-        return newSelf
     }
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// Determines whether children can be activated with a single
     /// click, or require a double-click.
     public func activateOnSingleClick(_ activateOnSingleClick: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.activateOnSingleClick = activateOnSingleClick }
-        newSelf.activateOnSingleClick = activateOnSingleClick
-        return newSelf
     }
 
     /// Whether to show separators between rows.
     public func showSeparators(_ showSeparators: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showSeparators = showSeparators }
-        newSelf.showSeparators = showSeparators
-        return newSelf
     }
 
     /// Emitted when the cursor row is activated.

Sources/Adwaita/View/Generated/Menu.swift

@@ -2,7 +2,7 @@
 //  Menu.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -61,7 +61,7 @@ public struct Menu: AdwaitaWidget {
     /// size of its contents.
     var canShrink: Bool?
     /// The child widget.
-    var child: (() -> Body)?
+    var child: Body?
     /// Whether the button has a frame.
     var hasFrame: Bool?
     /// The name of the icon used to automatically populate the button.
@@ -72,7 +72,7 @@ public struct Menu: AdwaitaWidget {
     /// 
     /// See `Gtk.MenuButton.set_menu_model` for the interaction
     /// with the ``popover(_:)`` property.
-    var menuModel: (() -> Body)?
+    var menuModel: Body?
     /// Whether the menu button acts as a primary menu.
     /// 
     /// Primary menus can be opened using the <kbd>F10</kbd> key
@@ -100,12 +100,12 @@ public struct Menu: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             gtk_menu_button_set_child(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
-        if let menu = menuModel?() {
+        if let menuModel {
-            let childStorage = MenuCollection { menu }.getMenu(data: data)
+            let childStorage = MenuCollection { menuModel }.getMenu(data: data)
             storage.content["menuModel"] = [childStorage]
             gtk_menu_button_set_menu_model(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
@@ -143,7 +143,7 @@ if let active, newValue != active.wrappedValue {
                 gtk_menu_button_set_can_shrink(widget, canShrink.cBool)
             }
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let hasFrame, updateProperties, (storage.previousState as? Self)?.hasFrame != hasFrame {
                 gtk_menu_button_set_has_frame(widget, hasFrame.cBool)
@@ -155,7 +155,7 @@ if let active, newValue != active.wrappedValue {
                 gtk_menu_button_set_label(widget, label)
             }
             if let menu = storage.content["menuModel"]?.first {
-                MenuCollection { menuModel?() ?? [] }
+                MenuCollection { menuModel ?? [] }
                     .updateStorage(menu, data: data.noModifiers, updateProperties: updateProperties, type: MenuContext.self)
             }
             if let primary, updateProperties, (storage.previousState as? Self)?.primary != primary {
@@ -180,85 +180,63 @@ if let active, newValue != active.wrappedValue {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// Whether the menu button is active.
     public func active(_ active: Binding<Bool>?) -> Self {
-        var newSelf = self
+        modify { $0.active = active }
-        newSelf.active = active
-        return newSelf
     }
 
     /// Whether to show a dropdown arrow even when using an icon or a custom child.
     public func alwaysShowArrow(_ alwaysShowArrow: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.alwaysShowArrow = alwaysShowArrow }
-        newSelf.alwaysShowArrow = alwaysShowArrow
-        return newSelf
     }
 
     /// Whether the size of the button can be made smaller than the natural
     /// size of its contents.
     public func canShrink(_ canShrink: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.canShrink = canShrink }
-        newSelf.canShrink = canShrink
-        return newSelf
     }
 
     /// The child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// Whether the button has a frame.
     public func hasFrame(_ hasFrame: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.hasFrame = hasFrame }
-        newSelf.hasFrame = hasFrame
-        return newSelf
     }
 
     /// The name of the icon used to automatically populate the button.
     public func iconName(_ iconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.iconName = iconName }
-        newSelf.iconName = iconName
-        return newSelf
     }
 
     /// The label for the button.
     public func label(_ label: String?) -> Self {
-        var newSelf = self
+        modify { $0.label = label }
-        newSelf.label = label
-        return newSelf
     }
 
     /// The `GMenuModel` from which the popup will be created.
     /// 
     /// See `Gtk.MenuButton.set_menu_model` for the interaction
     /// with the ``popover(_:)`` property.
-    public func menuModel(@ViewBuilder _ menuModel: @escaping (() -> Body)) -> Self {
+    public func menuModel(@ViewBuilder _ menuModel: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.menuModel = menuModel() }
-        newSelf.menuModel = menuModel
-        return newSelf
     }
 
     /// Whether the menu button acts as a primary menu.
     /// 
     /// Primary menus can be opened using the <kbd>F10</kbd> key
     public func primary(_ primary: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.primary = primary }
-        newSelf.primary = primary
-        return newSelf
     }
 
     /// If set an underscore in the text indicates a mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// Emitted to when the menu button is activated.

Sources/Adwaita/View/Generated/NavigationView.swift

@@ -2,7 +2,7 @@
 //  NavigationView.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -176,9 +176,7 @@ public struct NavigationView: AdwaitaWidget {
     /// 
     /// Gesture-based transitions are always animated.
     public func animateTransitions(_ animateTransitions: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.animateTransitions = animateTransitions }
-        newSelf.animateTransitions = animateTransitions
-        return newSelf
     }
 
     /// Whether the view is horizontally homogeneous.
@@ -189,9 +187,7 @@ public struct NavigationView: AdwaitaWidget {
     /// If it's not, the page may change width when a different page becomes
     /// visible.
     public func hhomogeneous(_ hhomogeneous: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.hhomogeneous = hhomogeneous }
-        newSelf.hhomogeneous = hhomogeneous
-        return newSelf
     }
 
     /// Whether pressing Escape pops the current page.
@@ -199,9 +195,7 @@ public struct NavigationView: AdwaitaWidget {
     /// Applications using `AdwNavigationView` to implement a browser may want to
     /// disable it.
     public func popOnEscape(_ popOnEscape: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.popOnEscape = popOnEscape }
-        newSelf.popOnEscape = popOnEscape
-        return newSelf
     }
 
     /// Whether the view is vertically homogeneous.
@@ -212,16 +206,12 @@ public struct NavigationView: AdwaitaWidget {
     /// If it's not, the view may change height when a different page becomes
     /// visible.
     public func vhomogeneous(_ vhomogeneous: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.vhomogeneous = vhomogeneous }
-        newSelf.vhomogeneous = vhomogeneous
-        return newSelf
     }
 
     /// The tag of the currently visible page.
     public func visiblePageTag(_ visiblePageTag: String?) -> Self {
-        var newSelf = self
+        modify { $0.visiblePageTag = visiblePageTag }
-        newSelf.visiblePageTag = visiblePageTag
-        return newSelf
     }
 
     /// Emitted when a push shortcut or a gesture is triggered.

Sources/Adwaita/View/Generated/Overlay.swift

@@ -2,7 +2,7 @@
 //  Overlay.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -41,7 +41,7 @@ public struct Overlay: AdwaitaWidget {
     /// The accessible role cannot be changed once set.
     var accessibleRole: String?
     /// The main child widget.
-    var child: (() -> Body)?
+    var child: Body?
     /// Emitted to determine the position and size of any overlay
     /// child widgets.
     /// 
@@ -75,7 +75,7 @@ public struct Overlay: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             gtk_overlay_set_child(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
@@ -104,7 +104,7 @@ public struct Overlay: AdwaitaWidget {
         storage.modify { widget in
 
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
 
             if let overlayStorage = storage.content["overlay"] {
@@ -134,16 +134,12 @@ public struct Overlay: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The main child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// Emitted to determine the position and size of any overlay

Sources/Adwaita/View/Generated/OverlaySplitView.swift

@@ -2,7 +2,7 @@
 //  OverlaySplitView.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -61,7 +61,7 @@ public struct OverlaySplitView: AdwaitaWidget {
     /// content widget, otherwise they are displayed side by side.
     var collapsed: Bool?
     /// The content widget.
-    var content: (() -> Body)?
+    var content: Body?
     /// Whether the sidebar can be closed with a swipe gesture.
     /// 
     /// Only touchscreen swipes are supported.
@@ -95,7 +95,7 @@ public struct OverlaySplitView: AdwaitaWidget {
     /// Whether the sidebar widget is shown.
     var showSidebar: Binding<Bool>?
     /// The sidebar widget.
-    var sidebar: (() -> Body)?
+    var sidebar: Body?
     /// The preferred sidebar width as a fraction of the total width.
     /// 
     /// The preferred width is additionally limited by
@@ -121,11 +121,11 @@ public struct OverlaySplitView: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let contentStorage = content?().storage(data: data, type: type) {
+        if let contentStorage = content?.storage(data: data, type: type) {
             storage.content["content"] = [contentStorage]
             adw_overlay_split_view_set_content(storage.opaquePointer, contentStorage.opaquePointer?.cast())
         }
-        if let sidebarStorage = sidebar?().storage(data: data, type: type) {
+        if let sidebarStorage = sidebar?.storage(data: data, type: type) {
             storage.content["sidebar"] = [sidebarStorage]
             adw_overlay_split_view_set_sidebar(storage.opaquePointer, sidebarStorage.opaquePointer?.cast())
         }
@@ -152,7 +152,7 @@ if let showSidebar, newValue != showSidebar.wrappedValue {
                 adw_overlay_split_view_set_collapsed(widget, collapsed.cBool)
             }
             if let widget = storage.content["content"]?.first {
-                content?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                content?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let enableHideGesture, updateProperties, (storage.previousState as? Self)?.enableHideGesture != enableHideGesture {
                 adw_overlay_split_view_set_enable_hide_gesture(widget, enableHideGesture.cBool)
@@ -173,7 +173,7 @@ if let showSidebar, newValue != showSidebar.wrappedValue {
                 adw_overlay_split_view_set_show_sidebar(storage.opaquePointer, showSidebar.wrappedValue.cBool)
             }
             if let widget = storage.content["sidebar"]?.first {
-                sidebar?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                sidebar?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let sidebarWidthFraction, updateProperties, (storage.previousState as? Self)?.sidebarWidthFraction != sidebarWidthFraction {
                 adw_overlay_split_view_set_sidebar_width_fraction(widget, sidebarWidthFraction)
@@ -195,34 +195,26 @@ if let showSidebar, newValue != showSidebar.wrappedValue {
     /// When collapsed, the sidebar widget is presented as an overlay above the
     /// content widget, otherwise they are displayed side by side.
     public func collapsed(_ collapsed: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.collapsed = collapsed }
-        newSelf.collapsed = collapsed
-        return newSelf
     }
 
     /// The content widget.
-    public func content(@ViewBuilder _ content: @escaping (() -> Body)) -> Self {
+    public func content(@ViewBuilder _ content: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.content = content() }
-        newSelf.content = content
-        return newSelf
     }
 
     /// Whether the sidebar can be closed with a swipe gesture.
     /// 
     /// Only touchscreen swipes are supported.
     public func enableHideGesture(_ enableHideGesture: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.enableHideGesture = enableHideGesture }
-        newSelf.enableHideGesture = enableHideGesture
-        return newSelf
     }
 
     /// Whether the sidebar can be opened with an edge swipe gesture.
     /// 
     /// Only touchscreen swipes are supported.
     public func enableShowGesture(_ enableShowGesture: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.enableShowGesture = enableShowGesture }
-        newSelf.enableShowGesture = enableShowGesture
-        return newSelf
     }
 
     /// The maximum sidebar width.
@@ -233,9 +225,7 @@ if let showSidebar, newValue != showSidebar.wrappedValue {
     /// The sidebar widget can still be allocated with larger width if its own
     /// minimum width exceeds it.
     public func maxSidebarWidth(_ maxSidebarWidth: Double?) -> Self {
-        var newSelf = self
+        modify { $0.maxSidebarWidth = maxSidebarWidth }
-        newSelf.maxSidebarWidth = maxSidebarWidth
-        return newSelf
     }
 
     /// The minimum sidebar width.
@@ -246,9 +236,7 @@ if let showSidebar, newValue != showSidebar.wrappedValue {
     /// The sidebar widget can still be allocated with larger width if its own
     /// minimum width exceeds it.
     public func minSidebarWidth(_ minSidebarWidth: Double?) -> Self {
-        var newSelf = self
+        modify { $0.minSidebarWidth = minSidebarWidth }
-        newSelf.minSidebarWidth = minSidebarWidth
-        return newSelf
     }
 
     /// Whether the sidebar widget is pinned.
@@ -257,23 +245,17 @@ if let showSidebar, newValue != showSidebar.wrappedValue {
     /// uncollapsing it shows the sidebar. If set to `true`, sidebar visibility
     /// never changes on its own.
     public func pinSidebar(_ pinSidebar: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.pinSidebar = pinSidebar }
-        newSelf.pinSidebar = pinSidebar
-        return newSelf
     }
 
     /// Whether the sidebar widget is shown.
     public func showSidebar(_ showSidebar: Binding<Bool>?) -> Self {
-        var newSelf = self
+        modify { $0.showSidebar = showSidebar }
-        newSelf.showSidebar = showSidebar
-        return newSelf
     }
 
     /// The sidebar widget.
-    public func sidebar(@ViewBuilder _ sidebar: @escaping (() -> Body)) -> Self {
+    public func sidebar(@ViewBuilder _ sidebar: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.sidebar = sidebar() }
-        newSelf.sidebar = sidebar
-        return newSelf
     }
 
     /// The preferred sidebar width as a fraction of the total width.
@@ -285,9 +267,7 @@ if let showSidebar, newValue != showSidebar.wrappedValue {
     /// The sidebar widget can be allocated with larger width if its own minimum
     /// width exceeds the preferred width.
     public func sidebarWidthFraction(_ sidebarWidthFraction: Double?) -> Self {
-        var newSelf = self
+        modify { $0.sidebarWidthFraction = sidebarWidthFraction }
-        newSelf.sidebarWidthFraction = sidebarWidthFraction
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/PasswordEntryRow.swift

@@ -2,7 +2,7 @@
 //  PasswordEntryRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -164,25 +164,19 @@ public struct PasswordEntryRow: AdwaitaWidget {
 
     /// Whether activating the embedded entry can activate the default widget.
     public func activatesDefault(_ activatesDefault: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.activatesDefault = activatesDefault }
-        newSelf.activatesDefault = activatesDefault
-        return newSelf
     }
 
     /// Whether to suggest emoji replacements on the entry row.
     /// 
     /// Emoji replacement is done with :-delimited names, like `:heart:`.
     public func enableEmojiCompletion(_ enableEmojiCompletion: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.enableEmojiCompletion = enableEmojiCompletion }
-        newSelf.enableEmojiCompletion = enableEmojiCompletion
-        return newSelf
     }
 
     /// Maximum number of characters for the entry.
     public func maxLength(_ maxLength: Int?) -> Self {
-        var newSelf = self
+        modify { $0.maxLength = maxLength }
-        newSelf.maxLength = maxLength
-        return newSelf
     }
 
     /// Whether to show the apply button.
@@ -195,16 +189,12 @@ public struct PasswordEntryRow: AdwaitaWidget {
     /// operation, e.g. network activity, to avoid triggering it after typing every
     /// character.
     public func showApplyButton(_ showApplyButton: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showApplyButton = showApplyButton }
-        newSelf.showApplyButton = showApplyButton
-        return newSelf
     }
 
     /// The length of the text in the entry row.
     public func textLength(_ textLength: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.textLength = textLength }
-        newSelf.textLength = textLength
-        return newSelf
     }
 
     /// The title of the preference represented by this row.
@@ -212,18 +202,14 @@ public struct PasswordEntryRow: AdwaitaWidget {
     /// The title is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// Whether the user can copy the title from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func titleSelectable(_ titleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.titleSelectable = titleSelectable }
-        newSelf.titleSelectable = titleSelectable
-        return newSelf
     }
 
     /// Whether to use Pango markup for the title label.
@@ -232,16 +218,12 @@ public struct PasswordEntryRow: AdwaitaWidget {
     /// 
     /// See also `Pango.parse_markup`.
     public func useMarkup(_ useMarkup: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useMarkup = useMarkup }
-        newSelf.useMarkup = useMarkup
-        return newSelf
     }
 
     /// Whether an embedded underline in the title indicates a mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// Emitted when the apply button is pressed.

Sources/Adwaita/View/Generated/Picture.swift

@@ -2,7 +2,7 @@
 //  Picture.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -107,30 +107,22 @@ public struct Picture: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The alternative textual description for the picture.
     public func alternativeText(_ alternativeText: String?) -> Self {
-        var newSelf = self
+        modify { $0.alternativeText = alternativeText }
-        newSelf.alternativeText = alternativeText
-        return newSelf
     }
 
     /// If the `GtkPicture` can be made smaller than the natural size of its contents.
     public func canShrink(_ canShrink: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.canShrink = canShrink }
-        newSelf.canShrink = canShrink
-        return newSelf
     }
 
     /// How the content should be resized to fit inside the `GtkPicture`.
     public func contentFit(_ contentFit: ContentFit?) -> Self {
-        var newSelf = self
+        modify { $0.contentFit = contentFit }
-        newSelf.contentFit = contentFit
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/Popover.swift

@@ -2,7 +2,7 @@
 //  Popover.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -51,9 +51,9 @@ public struct Popover: AdwaitaWidget {
     /// This is used to implement the expected behavior of submenus.
     var cascadePopdown: Bool?
     /// The child widget.
-    var child: (() -> Body)?
+    var child: Body?
     /// The default widget inside the popover.
-    var defaultWidget: (() -> Body)?
+    var defaultWidget: Body?
     /// Whether to draw an arrow.
     var hasArrow: Bool?
     /// Whether mnemonics are currently visible in this popover.
@@ -82,11 +82,11 @@ public struct Popover: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             gtk_popover_set_child(storage.opaquePointer?.cast(), childStorage.opaquePointer?.cast())
         }
-        if let defaultWidgetStorage = defaultWidget?().storage(data: data, type: type) {
+        if let defaultWidgetStorage = defaultWidget?.storage(data: data, type: type) {
             storage.content["defaultWidget"] = [defaultWidgetStorage]
             gtk_popover_set_default_widget(storage.opaquePointer?.cast(), defaultWidgetStorage.opaquePointer?.cast())
         }
@@ -120,10 +120,10 @@ public struct Popover: AdwaitaWidget {
                 gtk_popover_set_cascade_popdown(widget?.cast(), cascadePopdown.cBool)
             }
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let widget = storage.content["defaultWidget"]?.first {
-                defaultWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                defaultWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let hasArrow, updateProperties, (storage.previousState as? Self)?.hasArrow != hasArrow {
                 gtk_popover_set_has_arrow(widget?.cast(), hasArrow.cBool)
@@ -147,53 +147,39 @@ public struct Popover: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// Whether to dismiss the popover on outside clicks.
     public func autohide(_ autohide: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.autohide = autohide }
-        newSelf.autohide = autohide
-        return newSelf
     }
 
     /// Whether the popover pops down after a child popover.
     /// 
     /// This is used to implement the expected behavior of submenus.
     public func cascadePopdown(_ cascadePopdown: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.cascadePopdown = cascadePopdown }
-        newSelf.cascadePopdown = cascadePopdown
-        return newSelf
     }
 
     /// The child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// The default widget inside the popover.
-    public func defaultWidget(@ViewBuilder _ defaultWidget: @escaping (() -> Body)) -> Self {
+    public func defaultWidget(@ViewBuilder _ defaultWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.defaultWidget = defaultWidget() }
-        newSelf.defaultWidget = defaultWidget
-        return newSelf
     }
 
     /// Whether to draw an arrow.
     public func hasArrow(_ hasArrow: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.hasArrow = hasArrow }
-        newSelf.hasArrow = hasArrow
-        return newSelf
     }
 
     /// Whether mnemonics are currently visible in this popover.
     public func mnemonicsVisible(_ mnemonicsVisible: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.mnemonicsVisible = mnemonicsVisible }
-        newSelf.mnemonicsVisible = mnemonicsVisible
-        return newSelf
     }
 
     /// Emitted whend the user activates the default widget.

Sources/Adwaita/View/Generated/PreferencesGroup.swift

@@ -2,7 +2,7 @@
 //  PreferencesGroup.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -37,7 +37,7 @@ public struct PreferencesGroup: AdwaitaWidget {
     /// 
     /// Suffixes are commonly used to show a button or a spinner for the whole
     /// group.
-    var headerSuffix: (() -> Body)?
+    var headerSuffix: Body?
     /// Whether to separate rows.
     /// 
     /// Equivalent to using the
@@ -63,7 +63,7 @@ public struct PreferencesGroup: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let headerSuffixStorage = headerSuffix?().storage(data: data, type: type) {
+        if let headerSuffixStorage = headerSuffix?.storage(data: data, type: type) {
             storage.content["headerSuffix"] = [headerSuffixStorage]
             adw_preferences_group_set_header_suffix(storage.opaquePointer?.cast(), headerSuffixStorage.opaquePointer?.cast())
         }
@@ -90,7 +90,7 @@ public struct PreferencesGroup: AdwaitaWidget {
                 adw_preferences_group_set_description(widget?.cast(), description)
             }
             if let widget = storage.content["headerSuffix"]?.first {
-                headerSuffix?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                headerSuffix?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let separateRows, updateProperties, (storage.previousState as? Self)?.separateRows != separateRows {
                 adw_preferences_group_set_separate_rows(widget?.cast(), separateRows.cBool)
@@ -124,9 +124,7 @@ public struct PreferencesGroup: AdwaitaWidget {
 
     /// The description for this group of preferences.
     public func description(_ description: String?) -> Self {
-        var newSelf = self
+        modify { $0.description = description }
-        newSelf.description = description
-        return newSelf
     }
 
     /// The header suffix widget.
@@ -135,10 +133,8 @@ public struct PreferencesGroup: AdwaitaWidget {
     /// 
     /// Suffixes are commonly used to show a button or a spinner for the whole
     /// group.
-    public func headerSuffix(@ViewBuilder _ headerSuffix: @escaping (() -> Body)) -> Self {
+    public func headerSuffix(@ViewBuilder _ headerSuffix: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.headerSuffix = headerSuffix() }
-        newSelf.headerSuffix = headerSuffix
-        return newSelf
     }
 
     /// Whether to separate rows.
@@ -146,16 +142,12 @@ public struct PreferencesGroup: AdwaitaWidget {
     /// Equivalent to using the
     /// [`.boxed-list-separate`](style-classes.html
     public func separateRows(_ separateRows: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.separateRows = separateRows }
-        newSelf.separateRows = separateRows
-        return newSelf
     }
 
     /// The title for this group of preferences.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// Set the body for "child".

Sources/Adwaita/View/Generated/PreferencesPage.swift

@@ -2,7 +2,7 @@
 //  PreferencesPage.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -116,44 +116,32 @@ public struct PreferencesPage: AdwaitaWidget {
 
     /// The description to be displayed at the top of the page.
     public func description(_ description: String?) -> Self {
-        var newSelf = self
+        modify { $0.description = description }
-        newSelf.description = description
-        return newSelf
     }
 
     /// Whether the description should be centered.
     public func descriptionCentered(_ descriptionCentered: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.descriptionCentered = descriptionCentered }
-        newSelf.descriptionCentered = descriptionCentered
-        return newSelf
     }
 
     /// The icon name for this page.
     public func iconName(_ iconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.iconName = iconName }
-        newSelf.iconName = iconName
-        return newSelf
     }
 
     /// The name of this page.
     public func name(_ name: String?) -> Self {
-        var newSelf = self
+        modify { $0.name = name }
-        newSelf.name = name
-        return newSelf
     }
 
     /// The title for this page.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// Whether an embedded underline in the title indicates a mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// Set the body for "child".

Sources/Adwaita/View/Generated/PreferencesRow.swift

@@ -2,7 +2,7 @@
 //  PreferencesRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -99,18 +99,14 @@ public struct PreferencesRow: AdwaitaWidget {
     /// The title is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// Whether the user can copy the title from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func titleSelectable(_ titleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.titleSelectable = titleSelectable }
-        newSelf.titleSelectable = titleSelectable
-        return newSelf
     }
 
     /// Whether to use Pango markup for the title label.
@@ -119,16 +115,12 @@ public struct PreferencesRow: AdwaitaWidget {
     /// 
     /// See also `Pango.parse_markup`.
     public func useMarkup(_ useMarkup: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useMarkup = useMarkup }
-        newSelf.useMarkup = useMarkup
-        return newSelf
     }
 
     /// Whether an embedded underline in the title indicates a mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/ProgressBar.swift

@@ -2,7 +2,7 @@
 //  ProgressBar.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -124,30 +124,22 @@ public struct ProgressBar: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The fraction of total work that has been completed.
     public func fraction(_ fraction: Double?) -> Self {
-        var newSelf = self
+        modify { $0.fraction = fraction }
-        newSelf.fraction = fraction
-        return newSelf
     }
 
     /// Invert the direction in which the progress bar grows.
     public func inverted(_ inverted: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.inverted = inverted }
-        newSelf.inverted = inverted
-        return newSelf
     }
 
     /// The fraction of total progress to move the bounding block when pulsed.
     public func pulseStep(_ pulseStep: Double?) -> Self {
-        var newSelf = self
+        modify { $0.pulseStep = pulseStep }
-        newSelf.pulseStep = pulseStep
-        return newSelf
     }
 
     /// Sets whether the progress bar will show a text in addition
@@ -161,16 +153,12 @@ public struct ProgressBar: AdwaitaWidget {
     /// (even if the actual text is blank), set ``showText(_:)``
     /// to `true` and ``text(_:)`` to the empty string (not %NULL).
     public func showText(_ showText: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showText = showText }
-        newSelf.showText = showText
-        return newSelf
     }
 
     /// Text to be displayed in the progress bar.
     public func text(_ text: String?) -> Self {
-        var newSelf = self
+        modify { $0.text = text }
-        newSelf.text = text
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/ScrolledWindow.swift

@@ -2,7 +2,7 @@
 //  ScrolledWindow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -56,7 +56,7 @@ public struct ScrolledWindow: AdwaitaWidget {
     /// When setting this property, if the child widget does not implement
     /// `Gtk.Scrollable`, the scrolled window will add the child to
     /// a `Gtk.Viewport` and then set the viewport as the child.
-    var child: (() -> Body)?
+    var child: Body?
     /// Whether to draw a frame around the contents.
     var hasFrame: Bool?
     /// When the horizontal scrollbar is displayed.
@@ -154,7 +154,7 @@ public struct ScrolledWindow: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             gtk_scrolled_window_set_child(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
@@ -192,7 +192,7 @@ public struct ScrolledWindow: AdwaitaWidget {
         storage.modify { widget in
 
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let hasFrame, updateProperties, (storage.previousState as? Self)?.hasFrame != hasFrame {
                 gtk_scrolled_window_set_has_frame(widget, hasFrame.cBool)
@@ -246,9 +246,7 @@ if hscrollbarPolicy != (storage.previousState as? Self)?.hscrollbarPolicy
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The child widget.
@@ -256,17 +254,13 @@ if hscrollbarPolicy != (storage.previousState as? Self)?.hscrollbarPolicy
     /// When setting this property, if the child widget does not implement
     /// `Gtk.Scrollable`, the scrolled window will add the child to
     /// a `Gtk.Viewport` and then set the viewport as the child.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// Whether to draw a frame around the contents.
     public func hasFrame(_ hasFrame: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.hasFrame = hasFrame }
-        newSelf.hasFrame = hasFrame
-        return newSelf
     }
 
     /// When the horizontal scrollbar is displayed.
@@ -274,46 +268,34 @@ if hscrollbarPolicy != (storage.previousState as? Self)?.hscrollbarPolicy
     /// Use `Gtk.ScrolledWindow.set_policy` to set
     /// this property.
     public func hscrollbarPolicy(_ hscrollbarPolicy: ScrollbarVisibility?) -> Self {
-        var newSelf = self
+        modify { $0.hscrollbarPolicy = hscrollbarPolicy }
-        newSelf.hscrollbarPolicy = hscrollbarPolicy
-        return newSelf
     }
 
     /// Whether kinetic scrolling is enabled or not.
     /// 
     /// Kinetic scrolling only applies to devices with source %GDK_SOURCE_TOUCHSCREEN.
     public func kineticScrolling(_ kineticScrolling: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.kineticScrolling = kineticScrolling }
-        newSelf.kineticScrolling = kineticScrolling
-        return newSelf
     }
 
     /// The maximum content height of @scrolled_window.
     public func maxContentHeight(_ maxContentHeight: Int?) -> Self {
-        var newSelf = self
+        modify { $0.maxContentHeight = maxContentHeight }
-        newSelf.maxContentHeight = maxContentHeight
-        return newSelf
     }
 
     /// The maximum content width of @scrolled_window.
     public func maxContentWidth(_ maxContentWidth: Int?) -> Self {
-        var newSelf = self
+        modify { $0.maxContentWidth = maxContentWidth }
-        newSelf.maxContentWidth = maxContentWidth
-        return newSelf
     }
 
     /// The minimum content height of @scrolled_window.
     public func minContentHeight(_ minContentHeight: Int?) -> Self {
-        var newSelf = self
+        modify { $0.minContentHeight = minContentHeight }
-        newSelf.minContentHeight = minContentHeight
-        return newSelf
     }
 
     /// The minimum content width of @scrolled_window.
     public func minContentWidth(_ minContentWidth: Int?) -> Self {
-        var newSelf = self
+        modify { $0.minContentWidth = minContentWidth }
-        newSelf.minContentWidth = minContentWidth
-        return newSelf
     }
 
     /// Whether overlay scrolling is enabled or not.
@@ -325,9 +307,7 @@ if hscrollbarPolicy != (storage.previousState as? Self)?.hscrollbarPolicy
     /// Note that overlay scrolling can also be globally disabled, with
     /// the ``gtkOverlayScrolling(_:)`` setting.
     public func overlayScrolling(_ overlayScrolling: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.overlayScrolling = overlayScrolling }
-        newSelf.overlayScrolling = overlayScrolling
-        return newSelf
     }
 
     /// Whether the natural height of the child should be calculated and propagated
@@ -336,9 +316,7 @@ if hscrollbarPolicy != (storage.previousState as? Self)?.hscrollbarPolicy
     /// This is useful in cases where an attempt should be made to allocate exactly
     /// enough space for the natural size of the child.
     public func propagateNaturalHeight(_ propagateNaturalHeight: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.propagateNaturalHeight = propagateNaturalHeight }
-        newSelf.propagateNaturalHeight = propagateNaturalHeight
-        return newSelf
     }
 
     /// Whether the natural width of the child should be calculated and propagated
@@ -347,9 +325,7 @@ if hscrollbarPolicy != (storage.previousState as? Self)?.hscrollbarPolicy
     /// This is useful in cases where an attempt should be made to allocate exactly
     /// enough space for the natural size of the child.
     public func propagateNaturalWidth(_ propagateNaturalWidth: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.propagateNaturalWidth = propagateNaturalWidth }
-        newSelf.propagateNaturalWidth = propagateNaturalWidth
-        return newSelf
     }
 
     /// When the vertical scrollbar is displayed.
@@ -357,9 +333,7 @@ if hscrollbarPolicy != (storage.previousState as? Self)?.hscrollbarPolicy
     /// Use `Gtk.ScrolledWindow.set_policy` to set
     /// this property.
     public func vscrollbarPolicy(_ vscrollbarPolicy: ScrollbarVisibility?) -> Self {
-        var newSelf = self
+        modify { $0.vscrollbarPolicy = vscrollbarPolicy }
-        newSelf.vscrollbarPolicy = vscrollbarPolicy
-        return newSelf
     }
 
     /// Emitted whenever user initiated scrolling makes the scrolled

Sources/Adwaita/View/Generated/SearchBar.swift

@@ -2,7 +2,7 @@
 //  SearchBar.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -40,9 +40,9 @@ public struct SearchBar: AdwaitaWidget {
     /// The accessible role cannot be changed once set.
     var accessibleRole: String?
     /// The child widget.
-    var child: (() -> Body)?
+    var child: Body?
     /// The key capture widget.
-    var keyCaptureWidget: (() -> Body)?
+    var keyCaptureWidget: Body?
     /// Whether the search mode is on and the search bar shown.
     var searchModeEnabled: Bool?
     /// Whether to show the close button in the search bar.
@@ -63,11 +63,11 @@ public struct SearchBar: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             gtk_search_bar_set_child(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
-        if let keyCaptureWidgetStorage = keyCaptureWidget?().storage(data: data, type: type) {
+        if let keyCaptureWidgetStorage = keyCaptureWidget?.storage(data: data, type: type) {
             storage.content["keyCaptureWidget"] = [keyCaptureWidgetStorage]
             gtk_search_bar_set_key_capture_widget(storage.opaquePointer, keyCaptureWidgetStorage.opaquePointer?.cast())
         }
@@ -85,10 +85,10 @@ public struct SearchBar: AdwaitaWidget {
         storage.modify { widget in
 
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let widget = storage.content["keyCaptureWidget"]?.first {
-                keyCaptureWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                keyCaptureWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let searchModeEnabled, updateProperties, (storage.previousState as? Self)?.searchModeEnabled != searchModeEnabled {
                 gtk_search_bar_set_search_mode(widget, searchModeEnabled.cBool)
@@ -112,37 +112,27 @@ public struct SearchBar: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// The key capture widget.
-    public func keyCaptureWidget(@ViewBuilder _ keyCaptureWidget: @escaping (() -> Body)) -> Self {
+    public func keyCaptureWidget(@ViewBuilder _ keyCaptureWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.keyCaptureWidget = keyCaptureWidget() }
-        newSelf.keyCaptureWidget = keyCaptureWidget
-        return newSelf
     }
 
     /// Whether the search mode is on and the search bar shown.
     public func searchModeEnabled(_ searchModeEnabled: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.searchModeEnabled = searchModeEnabled }
-        newSelf.searchModeEnabled = searchModeEnabled
-        return newSelf
     }
 
     /// Whether to show the close button in the search bar.
     public func showCloseButton(_ showCloseButton: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.showCloseButton = showCloseButton }
-        newSelf.showCloseButton = showCloseButton
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/SearchEntry.swift

@@ -2,7 +2,7 @@
 //  SearchEntry.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -265,90 +265,66 @@ if let text, newValue != text.wrappedValue {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// Whether to activate the default widget when Enter is pressed.
     public func activatesDefault(_ activatesDefault: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.activatesDefault = activatesDefault }
-        newSelf.activatesDefault = activatesDefault
-        return newSelf
     }
 
     /// The current position of the insertion cursor in chars.
     public func cursorPosition(_ cursorPosition: Int?) -> Self {
-        var newSelf = self
+        modify { $0.cursorPosition = cursorPosition }
-        newSelf.cursorPosition = cursorPosition
-        return newSelf
     }
 
     /// Whether the entry contents can be edited.
     public func editable(_ editable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.editable = editable }
-        newSelf.editable = editable
-        return newSelf
     }
 
     /// If undo/redo should be enabled for the editable.
     public func enableUndo(_ enableUndo: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.enableUndo = enableUndo }
-        newSelf.enableUndo = enableUndo
-        return newSelf
     }
 
     /// The desired maximum width of the entry, in characters.
     public func maxWidthChars(_ maxWidthChars: Int?) -> Self {
-        var newSelf = self
+        modify { $0.maxWidthChars = maxWidthChars }
-        newSelf.maxWidthChars = maxWidthChars
-        return newSelf
     }
 
     /// The text that will be displayed in the `GtkSearchEntry`
     /// when it is empty and unfocused.
     public func placeholderText(_ placeholderText: String?) -> Self {
-        var newSelf = self
+        modify { $0.placeholderText = placeholderText }
-        newSelf.placeholderText = placeholderText
-        return newSelf
     }
 
     /// The delay in milliseconds from last keypress to the search
     /// changed signal.
     public func searchDelay(_ searchDelay: UInt?) -> Self {
-        var newSelf = self
+        modify { $0.searchDelay = searchDelay }
-        newSelf.searchDelay = searchDelay
-        return newSelf
     }
 
     /// The position of the opposite end of the selection from the cursor in chars.
     public func selectionBound(_ selectionBound: Int?) -> Self {
-        var newSelf = self
+        modify { $0.selectionBound = selectionBound }
-        newSelf.selectionBound = selectionBound
-        return newSelf
     }
 
     /// The contents of the entry.
     public func text(_ text: Binding<String>?) -> Self {
-        var newSelf = self
+        modify { $0.text = text }
-        newSelf.text = text
-        return newSelf
     }
 
     /// Number of characters to leave space for in the entry.
     public func widthChars(_ widthChars: Int?) -> Self {
-        var newSelf = self
+        modify { $0.widthChars = widthChars }
-        newSelf.widthChars = widthChars
-        return newSelf
     }
 
     /// The horizontal alignment, from 0 (left) to 1 (right).
     /// 
     /// Reversed for RTL layouts.
     public func xalign(_ xalign: Float?) -> Self {
-        var newSelf = self
+        modify { $0.xalign = xalign }
-        newSelf.xalign = xalign
-        return newSelf
     }
 
     /// Emitted when the entry is activated.

Sources/Adwaita/View/Generated/Separator.swift

@@ -2,7 +2,7 @@
 //  Separator.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -73,9 +73,7 @@ public struct Separator: AdwaitaWidget {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/SpinRow.swift

@@ -2,7 +2,7 @@
 //  SpinRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -37,7 +37,7 @@ public struct SpinRow: AdwaitaWidget {
     /// 
     /// The target widget will be activated by emitting the
     /// `Gtk.Widget::mnemonic-activate` signal on it.
-    var activatableWidget: (() -> Body)?
+    var activatableWidget: Body?
     /// The acceleration rate when you hold down a button or key.
     var climbRate: Double
     /// The number of decimal places to display.
@@ -126,7 +126,7 @@ public struct SpinRow: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let activatableWidgetStorage = activatableWidget?().storage(data: data, type: type) {
+        if let activatableWidgetStorage = activatableWidget?.storage(data: data, type: type) {
             storage.content["activatableWidget"] = [activatableWidgetStorage]
             adw_action_row_set_activatable_widget(storage.opaquePointer?.cast(), activatableWidgetStorage.opaquePointer?.cast())
         }
@@ -182,7 +182,7 @@ if let value, newValue != value.wrappedValue {
 }
         }
             if let widget = storage.content["activatableWidget"]?.first {
-                activatableWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                activatableWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if updateProperties, (storage.previousState as? Self)?.climbRate != climbRate {
                 adw_spin_row_set_climb_rate(widget, climbRate)
@@ -247,38 +247,28 @@ if let value, newValue != value.wrappedValue {
     /// 
     /// The target widget will be activated by emitting the
     /// `Gtk.Widget::mnemonic-activate` signal on it.
-    public func activatableWidget(@ViewBuilder _ activatableWidget: @escaping (() -> Body)) -> Self {
+    public func activatableWidget(@ViewBuilder _ activatableWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.activatableWidget = activatableWidget() }
-        newSelf.activatableWidget = activatableWidget
-        return newSelf
     }
 
     /// The acceleration rate when you hold down a button or key.
     public func climbRate(_ climbRate: Double) -> Self {
-        var newSelf = self
+        modify { $0.climbRate = climbRate }
-        newSelf.climbRate = climbRate
-        return newSelf
     }
 
     /// The number of decimal places to display.
     public func digits(_ digits: UInt) -> Self {
-        var newSelf = self
+        modify { $0.digits = digits }
-        newSelf.digits = digits
-        return newSelf
     }
 
     /// Whether non-numeric characters should be ignored.
     public func numeric(_ numeric: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.numeric = numeric }
-        newSelf.numeric = numeric
-        return newSelf
     }
 
     /// Whether invalid values are snapped to the nearest step increment.
     public func snapToTicks(_ snapToTicks: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.snapToTicks = snapToTicks }
-        newSelf.snapToTicks = snapToTicks
-        return newSelf
     }
 
     /// The subtitle for this row.
@@ -286,9 +276,7 @@ if let value, newValue != value.wrappedValue {
     /// The subtitle is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func subtitle(_ subtitle: String?) -> Self {
-        var newSelf = self
+        modify { $0.subtitle = subtitle }
-        newSelf.subtitle = subtitle
-        return newSelf
     }
 
     /// The number of lines at the end of which the subtitle label will be
@@ -296,18 +284,14 @@ if let value, newValue != value.wrappedValue {
     /// 
     /// If the value is 0, the number of lines won't be limited.
     public func subtitleLines(_ subtitleLines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.subtitleLines = subtitleLines }
-        newSelf.subtitleLines = subtitleLines
-        return newSelf
     }
 
     /// Whether the user can copy the subtitle from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func subtitleSelectable(_ subtitleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.subtitleSelectable = subtitleSelectable }
-        newSelf.subtitleSelectable = subtitleSelectable
-        return newSelf
     }
 
     /// The title of the preference represented by this row.
@@ -315,27 +299,21 @@ if let value, newValue != value.wrappedValue {
     /// The title is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// The number of lines at the end of which the title label will be ellipsized.
     /// 
     /// If the value is 0, the number of lines won't be limited.
     public func titleLines(_ titleLines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.titleLines = titleLines }
-        newSelf.titleLines = titleLines
-        return newSelf
     }
 
     /// Whether the user can copy the title from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func titleSelectable(_ titleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.titleSelectable = titleSelectable }
-        newSelf.titleSelectable = titleSelectable
-        return newSelf
     }
 
     /// Whether to use Pango markup for the title label.
@@ -344,30 +322,22 @@ if let value, newValue != value.wrappedValue {
     /// 
     /// See also `Pango.parse_markup`.
     public func useMarkup(_ useMarkup: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useMarkup = useMarkup }
-        newSelf.useMarkup = useMarkup
-        return newSelf
     }
 
     /// Whether an embedded underline in the title indicates a mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// The current value.
     public func value(_ value: Binding<Double>?) -> Self {
-        var newSelf = self
+        modify { $0.value = value }
-        newSelf.value = value
-        return newSelf
     }
 
     /// Whether the spin row should wrap upon reaching its limits.
     public func wrap(_ wrap: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.wrap = wrap }
-        newSelf.wrap = wrap
-        return newSelf
     }
 
     /// This signal is emitted after the row has been activated.

Sources/Adwaita/View/Generated/Spinner.swift

@@ -2,7 +2,7 @@
 //  Spinner.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw

Sources/Adwaita/View/Generated/SplitButton.swift

@@ -2,7 +2,7 @@
 //  SplitButton.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -37,7 +37,7 @@ public struct SplitButton: AdwaitaWidget {
     /// 
     /// Setting the child widget will set ``label(_:)`` and
     /// ``iconName(_:)`` to `NULL`.
-    var child: (() -> Body)?
+    var child: Body?
     /// The tooltip of the dropdown button.
     /// 
     /// The tooltip can be marked up with the Pango text markup language.
@@ -62,7 +62,7 @@ public struct SplitButton: AdwaitaWidget {
     /// 
     /// If ``popover(_:)`` is already set, it will be dissociated
     /// from the button, and the property is set to `NULL`.
-    var menuModel: (() -> Body)?
+    var menuModel: Body?
     /// Whether an underline in the text indicates a mnemonic.
     /// 
     /// See ``label(_:)``.
@@ -90,12 +90,12 @@ public struct SplitButton: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             adw_split_button_set_child(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
-        if let menu = menuModel?() {
+        if let menuModel {
-            let childStorage = MenuCollection { menu }.getMenu(data: data)
+            let childStorage = MenuCollection { menuModel }.getMenu(data: data)
             storage.content["menuModel"] = [childStorage]
             adw_split_button_set_menu_model(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
@@ -126,7 +126,7 @@ public struct SplitButton: AdwaitaWidget {
                 adw_split_button_set_can_shrink(widget, canShrink.cBool)
             }
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let dropdownTooltip, updateProperties, (storage.previousState as? Self)?.dropdownTooltip != dropdownTooltip {
                 adw_split_button_set_dropdown_tooltip(widget, dropdownTooltip)
@@ -138,7 +138,7 @@ public struct SplitButton: AdwaitaWidget {
                 adw_split_button_set_label(widget, label)
             }
             if let menu = storage.content["menuModel"]?.first {
-                MenuCollection { menuModel?() ?? [] }
+                MenuCollection { menuModel ?? [] }
                     .updateStorage(menu, data: data.noModifiers, updateProperties: updateProperties, type: MenuContext.self)
             }
             if let useUnderline, updateProperties, (storage.previousState as? Self)?.useUnderline != useUnderline {
@@ -163,28 +163,22 @@ public struct SplitButton: AdwaitaWidget {
     /// See ``canShrink(_:)`` and
     /// ``canShrink(_:)``.
     public func canShrink(_ canShrink: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.canShrink = canShrink }
-        newSelf.canShrink = canShrink
-        return newSelf
     }
 
     /// The child widget.
     /// 
     /// Setting the child widget will set ``label(_:)`` and
     /// ``iconName(_:)`` to `NULL`.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// The tooltip of the dropdown button.
     /// 
     /// The tooltip can be marked up with the Pango text markup language.
     public func dropdownTooltip(_ dropdownTooltip: String?) -> Self {
-        var newSelf = self
+        modify { $0.dropdownTooltip = dropdownTooltip }
-        newSelf.dropdownTooltip = dropdownTooltip
-        return newSelf
     }
 
     /// The name of the icon used to automatically populate the button.
@@ -192,9 +186,7 @@ public struct SplitButton: AdwaitaWidget {
     /// Setting the icon name will set ``label(_:)`` and
     /// ``child(_:)`` to `NULL`.
     public func iconName(_ iconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.iconName = iconName }
-        newSelf.iconName = iconName
-        return newSelf
     }
 
     /// The label for the button.
@@ -202,9 +194,7 @@ public struct SplitButton: AdwaitaWidget {
     /// Setting the label will set ``iconName(_:)`` and
     /// ``child(_:)`` to `NULL`.
     public func label(_ label: String?) -> Self {
-        var newSelf = self
+        modify { $0.label = label }
-        newSelf.label = label
-        return newSelf
     }
 
     /// The `GMenuModel` from which the popup will be created.
@@ -217,19 +207,15 @@ public struct SplitButton: AdwaitaWidget {
     /// 
     /// If ``popover(_:)`` is already set, it will be dissociated
     /// from the button, and the property is set to `NULL`.
-    public func menuModel(@ViewBuilder _ menuModel: @escaping (() -> Body)) -> Self {
+    public func menuModel(@ViewBuilder _ menuModel: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.menuModel = menuModel() }
-        newSelf.menuModel = menuModel
-        return newSelf
     }
 
     /// Whether an underline in the text indicates a mnemonic.
     /// 
     /// See ``label(_:)``.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// Emitted to animate press then release.

Sources/Adwaita/View/Generated/StatusPage.swift

@@ -2,7 +2,7 @@
 //  StatusPage.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -24,7 +24,7 @@ public struct StatusPage: AdwaitaWidget {
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
 
     /// The child widget.
-    var child: (() -> Body)?
+    var child: Body?
     /// The description markup to be displayed below the title.
     var description: String?
     /// The name of the icon to be used.
@@ -51,7 +51,7 @@ public struct StatusPage: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             adw_status_page_set_child(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
@@ -69,7 +69,7 @@ public struct StatusPage: AdwaitaWidget {
         storage.modify { widget in
 
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let description, updateProperties, (storage.previousState as? Self)?.description != description {
                 adw_status_page_set_description(widget, description)
@@ -93,35 +93,27 @@ public struct StatusPage: AdwaitaWidget {
     }
 
     /// The child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// The description markup to be displayed below the title.
     public func description(_ description: String?) -> Self {
-        var newSelf = self
+        modify { $0.description = description }
-        newSelf.description = description
-        return newSelf
     }
 
     /// The name of the icon to be used.
     /// 
     /// Changing this will set ``paintable(_:)`` to `NULL`.
     public func iconName(_ iconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.iconName = iconName }
-        newSelf.iconName = iconName
-        return newSelf
     }
 
     /// The title to be displayed below the icon.
     /// 
     /// It is not parsed as Pango markup.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/SwitchRow.swift

@@ -2,7 +2,7 @@
 //  SwitchRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -46,7 +46,7 @@ public struct SwitchRow: AdwaitaWidget {
     /// 
     /// The target widget will be activated by emitting the
     /// `Gtk.Widget::mnemonic-activate` signal on it.
-    var activatableWidget: (() -> Body)?
+    var activatableWidget: Body?
     /// Whether the switch row is in the "on" or "off" position.
     var active: Binding<Bool>?
     /// The subtitle for this row.
@@ -106,7 +106,7 @@ public struct SwitchRow: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let activatableWidgetStorage = activatableWidget?().storage(data: data, type: type) {
+        if let activatableWidgetStorage = activatableWidget?.storage(data: data, type: type) {
             storage.content["activatableWidget"] = [activatableWidgetStorage]
             adw_action_row_set_activatable_widget(storage.opaquePointer?.cast(), activatableWidgetStorage.opaquePointer?.cast())
         }
@@ -147,7 +147,7 @@ if let active, newValue != active.wrappedValue {
 }
         }
             if let widget = storage.content["activatableWidget"]?.first {
-                activatableWidget?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                activatableWidget?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let active, updateProperties, (adw_switch_row_get_active(storage.opaquePointer) != 0) != active.wrappedValue {
                 adw_switch_row_set_active(storage.opaquePointer, active.wrappedValue.cBool)
@@ -197,17 +197,13 @@ if let active, newValue != active.wrappedValue {
     /// 
     /// The target widget will be activated by emitting the
     /// `Gtk.Widget::mnemonic-activate` signal on it.
-    public func activatableWidget(@ViewBuilder _ activatableWidget: @escaping (() -> Body)) -> Self {
+    public func activatableWidget(@ViewBuilder _ activatableWidget: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.activatableWidget = activatableWidget() }
-        newSelf.activatableWidget = activatableWidget
-        return newSelf
     }
 
     /// Whether the switch row is in the "on" or "off" position.
     public func active(_ active: Binding<Bool>?) -> Self {
-        var newSelf = self
+        modify { $0.active = active }
-        newSelf.active = active
-        return newSelf
     }
 
     /// The subtitle for this row.
@@ -215,9 +211,7 @@ if let active, newValue != active.wrappedValue {
     /// The subtitle is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func subtitle(_ subtitle: String?) -> Self {
-        var newSelf = self
+        modify { $0.subtitle = subtitle }
-        newSelf.subtitle = subtitle
-        return newSelf
     }
 
     /// The number of lines at the end of which the subtitle label will be
@@ -225,18 +219,14 @@ if let active, newValue != active.wrappedValue {
     /// 
     /// If the value is 0, the number of lines won't be limited.
     public func subtitleLines(_ subtitleLines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.subtitleLines = subtitleLines }
-        newSelf.subtitleLines = subtitleLines
-        return newSelf
     }
 
     /// Whether the user can copy the subtitle from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func subtitleSelectable(_ subtitleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.subtitleSelectable = subtitleSelectable }
-        newSelf.subtitleSelectable = subtitleSelectable
-        return newSelf
     }
 
     /// The title of the preference represented by this row.
@@ -244,27 +234,21 @@ if let active, newValue != active.wrappedValue {
     /// The title is interpreted as Pango markup unless
     /// ``useMarkup(_:)`` is set to `false`.
     public func title(_ title: String?) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
     /// The number of lines at the end of which the title label will be ellipsized.
     /// 
     /// If the value is 0, the number of lines won't be limited.
     public func titleLines(_ titleLines: Int?) -> Self {
-        var newSelf = self
+        modify { $0.titleLines = titleLines }
-        newSelf.titleLines = titleLines
-        return newSelf
     }
 
     /// Whether the user can copy the title from the label.
     /// 
     /// See also ``selectable(_:)``.
     public func titleSelectable(_ titleSelectable: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.titleSelectable = titleSelectable }
-        newSelf.titleSelectable = titleSelectable
-        return newSelf
     }
 
     /// Whether to use Pango markup for the title label.
@@ -273,16 +257,12 @@ if let active, newValue != active.wrappedValue {
     /// 
     /// See also `Pango.parse_markup`.
     public func useMarkup(_ useMarkup: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useMarkup = useMarkup }
-        newSelf.useMarkup = useMarkup
-        return newSelf
     }
 
     /// Whether an embedded underline in the title indicates a mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// This signal is emitted after the row has been activated.

Sources/Adwaita/View/Generated/ToastOverlay.swift

@@ -2,7 +2,7 @@
 //  ToastOverlay.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -30,7 +30,7 @@ public struct ToastOverlay: AdwaitaWidget {
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
 
     /// The child widget.
-    var child: (() -> Body)?
+    var child: Body?
 
     /// Initialize `ToastOverlay`.
     public init() {
@@ -47,7 +47,7 @@ public struct ToastOverlay: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             adw_toast_overlay_set_child(storage.opaquePointer, childStorage.opaquePointer?.cast())
         }
@@ -65,7 +65,7 @@ public struct ToastOverlay: AdwaitaWidget {
         storage.modify { widget in
 
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
 
 
@@ -80,10 +80,8 @@ public struct ToastOverlay: AdwaitaWidget {
     }
 
     /// The child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Generated/ToggleButton.swift

@@ -2,7 +2,7 @@
 //  ToggleButton.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -48,7 +48,7 @@ public struct ToggleButton: AdwaitaWidget {
     /// property has no effect.
     var canShrink: Bool?
     /// The child widget.
-    var child: (() -> Body)?
+    var child: Body?
     /// Whether the button has a frame.
     var hasFrame: Bool?
     /// The name of the icon used to automatically populate the button.
@@ -86,7 +86,7 @@ public struct ToggleButton: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let childStorage = child?().storage(data: data, type: type) {
+        if let childStorage = child?.storage(data: data, type: type) {
             storage.content["child"] = [childStorage]
             gtk_button_set_child(storage.opaquePointer?.cast(), childStorage.opaquePointer?.cast())
         }
@@ -134,7 +134,7 @@ if let active, newValue != active.wrappedValue {
                 gtk_button_set_can_shrink(widget?.cast(), canShrink.cBool)
             }
             if let widget = storage.content["child"]?.first {
-                child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                child?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let hasFrame, updateProperties, (storage.previousState as? Self)?.hasFrame != hasFrame {
                 gtk_button_set_has_frame(widget?.cast(), hasFrame.cBool)
@@ -164,23 +164,17 @@ if let active, newValue != active.wrappedValue {
     /// 
     /// The accessible role cannot be changed once set.
     public func accessibleRole(_ accessibleRole: String?) -> Self {
-        var newSelf = self
+        modify { $0.accessibleRole = accessibleRole }
-        newSelf.accessibleRole = accessibleRole
-        return newSelf
     }
 
     /// The name of the action with which this widget should be associated.
     public func actionName(_ actionName: String?) -> Self {
-        var newSelf = self
+        modify { $0.actionName = actionName }
-        newSelf.actionName = actionName
-        return newSelf
     }
 
     /// If the toggle button should be pressed in.
     public func active(_ active: Binding<Bool>?) -> Self {
-        var newSelf = self
+        modify { $0.active = active }
-        newSelf.active = active
-        return newSelf
     }
 
     /// Whether the size of the button can be made smaller than the natural
@@ -191,45 +185,33 @@ if let active, newValue != active.wrappedValue {
     /// If the contents of a button are an icon or a custom widget, setting this
     /// property has no effect.
     public func canShrink(_ canShrink: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.canShrink = canShrink }
-        newSelf.canShrink = canShrink
-        return newSelf
     }
 
     /// The child widget.
-    public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
+    public func child(@ViewBuilder _ child: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.child = child() }
-        newSelf.child = child
-        return newSelf
     }
 
     /// Whether the button has a frame.
     public func hasFrame(_ hasFrame: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.hasFrame = hasFrame }
-        newSelf.hasFrame = hasFrame
-        return newSelf
     }
 
     /// The name of the icon used to automatically populate the button.
     public func iconName(_ iconName: String?) -> Self {
-        var newSelf = self
+        modify { $0.iconName = iconName }
-        newSelf.iconName = iconName
-        return newSelf
     }
 
     /// Text of the label inside the button, if the button contains a label widget.
     public func label(_ label: String?) -> Self {
-        var newSelf = self
+        modify { $0.label = label }
-        newSelf.label = label
-        return newSelf
     }
 
     /// If set, an underline in the text indicates that the following character is
     /// to be used as mnemonic.
     public func useUnderline(_ useUnderline: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.useUnderline = useUnderline }
-        newSelf.useUnderline = useUnderline
-        return newSelf
     }
 
     /// Emitted to animate press then release.

Sources/Adwaita/View/Generated/ToolbarView.swift

@@ -2,7 +2,7 @@
 //  ToolbarView.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -52,7 +52,7 @@ public struct ToolbarView: AdwaitaWidget {
     /// [`.undershoot-bottom`](style-classes.html
     var bottomBarStyle: ToolbarStyle?
     /// The content widget.
-    var content: (() -> Body)?
+    var content: Body?
     /// Whether the content widget can extend behind bottom bars.
     /// 
     /// This can be used in combination with
@@ -121,7 +121,7 @@ public struct ToolbarView: AdwaitaWidget {
             function(storage, data)
         }
         update(storage, data: data, updateProperties: true, type: type)
-        if let contentStorage = content?().storage(data: data, type: type) {
+        if let contentStorage = content?.storage(data: data, type: type) {
             storage.content["content"] = [contentStorage]
             adw_toolbar_view_set_content(storage.opaquePointer, contentStorage.opaquePointer?.cast())
         }
@@ -154,7 +154,7 @@ public struct ToolbarView: AdwaitaWidget {
                 adw_toolbar_view_set_bottom_bar_style(widget, bottomBarStyle.gtkValue)
             }
             if let widget = storage.content["content"]?.first {
-                content?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                content?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
             }
             if let extendContentToBottomEdge, updateProperties, (storage.previousState as? Self)?.extendContentToBottomEdge != extendContentToBottomEdge {
                 adw_toolbar_view_set_extend_content_to_bottom_edge(widget, extendContentToBottomEdge.cBool)
@@ -214,9 +214,7 @@ public struct ToolbarView: AdwaitaWidget {
     /// 
     /// See ``topBarHeight(_:)``.
     public func bottomBarHeight(_ bottomBarHeight: Int?) -> Self {
-        var newSelf = self
+        modify { $0.bottomBarHeight = bottomBarHeight }
-        newSelf.bottomBarHeight = bottomBarHeight
-        return newSelf
     }
 
     /// Appearance of the bottom bars.
@@ -225,16 +223,12 @@ public struct ToolbarView: AdwaitaWidget {
     /// has a subtle undershoot shadow when touching them, same as the
     /// [`.undershoot-bottom`](style-classes.html
     public func bottomBarStyle(_ bottomBarStyle: ToolbarStyle?) -> Self {
-        var newSelf = self
+        modify { $0.bottomBarStyle = bottomBarStyle }
-        newSelf.bottomBarStyle = bottomBarStyle
-        return newSelf
     }
 
     /// The content widget.
-    public func content(@ViewBuilder _ content: @escaping (() -> Body)) -> Self {
+    public func content(@ViewBuilder _ content: () -> Body) -> Self {
-        var newSelf = self
+        modify { $0.content = content() }
-        newSelf.content = content
-        return newSelf
     }
 
     /// Whether the content widget can extend behind bottom bars.
@@ -245,9 +239,7 @@ public struct ToolbarView: AdwaitaWidget {
     /// 
     /// See ``extendContentToTopEdge(_:)``.
     public func extendContentToBottomEdge(_ extendContentToBottomEdge: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.extendContentToBottomEdge = extendContentToBottomEdge }
-        newSelf.extendContentToBottomEdge = extendContentToBottomEdge
-        return newSelf
     }
 
     /// Whether the content widget can extend behind top bars.
@@ -257,9 +249,7 @@ public struct ToolbarView: AdwaitaWidget {
     /// 
     /// See ``extendContentToBottomEdge(_:)``.
     public func extendContentToTopEdge(_ extendContentToTopEdge: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.extendContentToTopEdge = extendContentToTopEdge }
-        newSelf.extendContentToTopEdge = extendContentToTopEdge
-        return newSelf
     }
 
     /// Whether bottom bars are visible.
@@ -272,9 +262,7 @@ public struct ToolbarView: AdwaitaWidget {
     /// 
     /// See ``revealTopBars(_:)``.
     public func revealBottomBars(_ revealBottomBars: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.revealBottomBars = revealBottomBars }
-        newSelf.revealBottomBars = revealBottomBars
-        return newSelf
     }
 
     /// Whether top bars are revealed.
@@ -287,9 +275,7 @@ public struct ToolbarView: AdwaitaWidget {
     /// 
     /// See ``revealBottomBars(_:)``.
     public func revealTopBars(_ revealTopBars: Bool? = true) -> Self {
-        var newSelf = self
+        modify { $0.revealTopBars = revealTopBars }
-        newSelf.revealTopBars = revealTopBars
-        return newSelf
     }
 
     /// The current top bar height.
@@ -299,9 +285,7 @@ public struct ToolbarView: AdwaitaWidget {
     /// 
     /// See ``bottomBarHeight(_:)``.
     public func topBarHeight(_ topBarHeight: Int?) -> Self {
-        var newSelf = self
+        modify { $0.topBarHeight = topBarHeight }
-        newSelf.topBarHeight = topBarHeight
-        return newSelf
     }
 
     /// Appearance of the top bars.
@@ -310,9 +294,7 @@ public struct ToolbarView: AdwaitaWidget {
     /// subtle undershoot shadow when touching them, same as the
     /// [`.undershoot-top`](style-classes.html
     public func topBarStyle(_ topBarStyle: ToolbarStyle?) -> Self {
-        var newSelf = self
+        modify { $0.topBarStyle = topBarStyle }
-        newSelf.topBarStyle = topBarStyle
-        return newSelf
     }
 
     /// Set the body for "bottom".

Sources/Adwaita/View/Generated/WindowTitle.swift

@@ -2,7 +2,7 @@
 //  WindowTitle.swift
 //  Adwaita
 //
-//  Created by auto-generation on 30.10.25.
+//  Created by auto-generation on 31.10.25.
 //
 
 import CAdw
@@ -85,9 +85,7 @@ public struct WindowTitle: AdwaitaWidget {
     /// 
     /// The subtitle should give the user additional details.
     public func subtitle(_ subtitle: String) -> Self {
-        var newSelf = self
+        modify { $0.subtitle = subtitle }
-        newSelf.subtitle = subtitle
-        return newSelf
     }
 
     /// The title to display.
@@ -95,9 +93,7 @@ public struct WindowTitle: AdwaitaWidget {
     /// The title typically identifies the current view or content item, and
     /// generally does not use the application name.
     public func title(_ title: String) -> Self {
-        var newSelf = self
+        modify { $0.title = title }
-        newSelf.title = title
-        return newSelf
     }
 
 }

Sources/Adwaita/View/Toggle.swift

@@ -42,7 +42,7 @@ extension Toggle {
         if let child {
             return .init()
                 .active(active)
-                .child(child)
+                .child { child }
         } else {
             return .init()
                 .active(active)

Sources/Generation/GIR/Property.swift

@@ -27,6 +27,10 @@ struct Property: Decodable {
     /// Whether the property is deprecated.
     var deprecated: Bool?
 
+    var isView: Bool {
+        (self.type?.isWidget ?? false) || (self.type?.isMenu ?? false)
+    }
+
     /// Get the Swift property name.
     /// - Parameter configuration: The generation configuration.
     /// - Returns: The name.
@@ -53,11 +57,10 @@ struct Property: Decodable {
         } else {
             type = (try? self.type?.generate(configuration: genConfig)) ?? "String"
         }
-        if (self.type?.isWidget ?? false) || (self.type?.isMenu ?? false) {
+        if isView {
-            type = "\(modifier ? "@escaping " : "")(() -> Body)"
+            type = modifier ? "() -> Body" : "Body"
         }
-        if !config.requiredProperties.contains(name)
+        if !config.requiredProperties.contains(name) && !(isView && modifier) {
-        && !(((self.type?.isWidget ?? false) || (self.type?.isMenu ?? false)) && modifier) {
             type += "?"
         }
         if defaultValue, let value = genConfig.defaultModifierValues[type] {
@@ -93,9 +96,7 @@ struct Property: Decodable {
 
         \(doc?.docComment(configuration: genConfig, indent: "    ") ?? "/// \(name)")
             public func \(convertPropertyName(configuration: genConfig))(\(builder)_ \(mainParameter)) -> Self {
-                var newSelf = self
+                modify { $0.\(property) = \(property)\(isView ? "()" : "") }
-                newSelf.\(property) = \(property)
-                return newSelf
             }
 
         """
@@ -117,7 +118,7 @@ struct Property: Decodable {
         guard !(type?.isWidget ?? false) else {
             return """
                         if let widget = storage.content["\(name)"]?.first {
-                            \(name)?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
+                            \(name)?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
                         }
 
             """
@@ -125,7 +126,7 @@ struct Property: Decodable {
         guard !(type?.isMenu ?? false) else {
             return """
                         if let menu = storage.content["\(name)"]?.first {
-                            MenuCollection { \(name)?() ?? [] }
+                            MenuCollection { \(name) ?? [] }
                                 .updateStorage(menu, data: data.noModifiers, updateProperties: updateProperties, type: MenuContext.self)
                         }
 
@@ -198,7 +199,7 @@ struct Property: Decodable {
         let name = convertPropertyName(configuration: genConfig)
         let view = (self.cast ?? config.cast) ? "storage.opaquePointer?.cast()" : "storage.opaquePointer"
         return """
-                if let \(name)Storage = \(name)?().storage(data: data, type: type) {
+                if let \(name)Storage = \(name)?.storage(data: data, type: type) {
                     storage.content["\(name)"] = [\(name)Storage]
                     \(setter)(\(view), \(name)Storage.opaquePointer?.cast())
                 }
@@ -224,8 +225,8 @@ struct Property: Decodable {
         let name = convertPropertyName(configuration: genConfig)
         let view = (self.cast ?? config.cast) ? "storage.opaquePointer?.cast()" : "storage.opaquePointer"
         return """
-                if let menu = \(name)?() {
+                if let \(name) {
-                    let childStorage = MenuCollection { menu }.getMenu(data: data)
+                    let childStorage = MenuCollection { \(name) }.getMenu(data: data)
                     storage.content["\(name)"] = [childStorage]
                     \(setter)(\(view), childStorage.opaquePointer?.cast())
                 }