diff --git a/Package.swift b/Package.swift
index ced2034..f7c2892 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 6.1
 //
 //  Package.swift
 //  Adwaita
@@ -22,6 +22,7 @@ let package = Package(
             targets: ["CAdw"]
         )
     ],
+    traits: [.trait(name: "exposeGeneratedAppearUpdateFunctions")],
     dependencies: [
         .package(url: "https://git.aparoksha.dev/aparoksha/meta", branch: "main"),
         .package(url: "https://github.com/stephencelis/CSQLite", from: "3.50.4"),
diff --git a/Sources/Adwaita/View/Generated/ActionRow.swift b/Sources/Adwaita/View/Generated/ActionRow.swift
index b34028f..fe8297d 100644
--- a/Sources/Adwaita/View/Generated/ActionRow.swift
+++ b/Sources/Adwaita/View/Generated/ActionRow.swift
@@ -2,7 +2,7 @@
 //  ActionRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -24,10 +24,17 @@ import LevenshteinTransformations
 /// 
 public struct ActionRow: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The widget to activate when the row is activated.
     /// 
diff --git a/Sources/Adwaita/View/Generated/AspectFrame.swift b/Sources/Adwaita/View/Generated/AspectFrame.swift
index 897da47..690bfb5 100644
--- a/Sources/Adwaita/View/Generated/AspectFrame.swift
+++ b/Sources/Adwaita/View/Generated/AspectFrame.swift
@@ -2,7 +2,7 @@
 //  AspectFrame.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -16,10 +16,17 @@ import LevenshteinTransformations
 /// 
 public struct AspectFrame: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Avatar.swift b/Sources/Adwaita/View/Generated/Avatar.swift
index b296197..62a5400 100644
--- a/Sources/Adwaita/View/Generated/Avatar.swift
+++ b/Sources/Adwaita/View/Generated/Avatar.swift
@@ -2,7 +2,7 @@
 //  Avatar.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -28,10 +28,17 @@ import LevenshteinTransformations
 /// 
 public struct Avatar: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The name of an icon to use as a fallback.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Banner.swift b/Sources/Adwaita/View/Generated/Banner.swift
index 46f1c59..5e7b85c 100644
--- a/Sources/Adwaita/View/Generated/Banner.swift
+++ b/Sources/Adwaita/View/Generated/Banner.swift
@@ -2,7 +2,7 @@
 //  Banner.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -30,10 +30,17 @@ import LevenshteinTransformations
 /// 
 public struct Banner: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The label to show on the button.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Bin.swift b/Sources/Adwaita/View/Generated/Bin.swift
index 3de49e6..c3602eb 100644
--- a/Sources/Adwaita/View/Generated/Bin.swift
+++ b/Sources/Adwaita/View/Generated/Bin.swift
@@ -2,7 +2,7 @@
 //  Bin.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -19,10 +19,17 @@ import LevenshteinTransformations
 /// for handling a single child widget.
 public struct Bin: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The child widget of the `AdwBin`.
     var child: Body?
diff --git a/Sources/Adwaita/View/Generated/Box.swift b/Sources/Adwaita/View/Generated/Box.swift
index 728f943..2607fe5 100644
--- a/Sources/Adwaita/View/Generated/Box.swift
+++ b/Sources/Adwaita/View/Generated/Box.swift
@@ -2,7 +2,7 @@
 //  Box.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -36,10 +36,17 @@ import LevenshteinTransformations
 /// 
 public struct Box: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Button.swift b/Sources/Adwaita/View/Generated/Button.swift
index f05c1fb..c8d2f43 100644
--- a/Sources/Adwaita/View/Generated/Button.swift
+++ b/Sources/Adwaita/View/Generated/Button.swift
@@ -2,7 +2,7 @@
 //  Button.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -19,10 +19,17 @@ import LevenshteinTransformations
 /// 
 public struct Button: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/ButtonContent.swift b/Sources/Adwaita/View/Generated/ButtonContent.swift
index f4cef1d..9cfc745 100644
--- a/Sources/Adwaita/View/Generated/ButtonContent.swift
+++ b/Sources/Adwaita/View/Generated/ButtonContent.swift
@@ -2,7 +2,7 @@
 //  ButtonContent.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -28,10 +28,17 @@ import LevenshteinTransformations
 /// 
 public struct ButtonContent: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// Whether the button can be smaller than the natural size of its contents.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Carousel.swift b/Sources/Adwaita/View/Generated/Carousel.swift
index 98db7f1..c6b5082 100644
--- a/Sources/Adwaita/View/Generated/Carousel.swift
+++ b/Sources/Adwaita/View/Generated/Carousel.swift
@@ -2,7 +2,7 @@
 //  Carousel.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -21,10 +21,17 @@ import LevenshteinTransformations
 /// 
 public struct Carousel<Element>: AdwaitaWidget where Element: Identifiable {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// Whether to allow swiping for more than one page at a time.
     /// 
diff --git a/Sources/Adwaita/View/Generated/CenterBox.swift b/Sources/Adwaita/View/Generated/CenterBox.swift
index c9cc944..fb47e22 100644
--- a/Sources/Adwaita/View/Generated/CenterBox.swift
+++ b/Sources/Adwaita/View/Generated/CenterBox.swift
@@ -2,7 +2,7 @@
 //  CenterBox.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -23,10 +23,17 @@ import LevenshteinTransformations
 /// 
 public struct CenterBox: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/CheckButton.swift b/Sources/Adwaita/View/Generated/CheckButton.swift
index 386e30b..b131ab7 100644
--- a/Sources/Adwaita/View/Generated/CheckButton.swift
+++ b/Sources/Adwaita/View/Generated/CheckButton.swift
@@ -2,7 +2,7 @@
 //  CheckButton.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -22,10 +22,17 @@ import LevenshteinTransformations
 /// 
 public struct CheckButton: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Clamp.swift b/Sources/Adwaita/View/Generated/Clamp.swift
index 8905d81..25fc5f8 100644
--- a/Sources/Adwaita/View/Generated/Clamp.swift
+++ b/Sources/Adwaita/View/Generated/Clamp.swift
@@ -2,7 +2,7 @@
 //  Clamp.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -28,10 +28,17 @@ import LevenshteinTransformations
 /// 
 public struct Clamp: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The child widget of the `AdwClamp`.
     var child: Body?
diff --git a/Sources/Adwaita/View/Generated/ComboRow.swift b/Sources/Adwaita/View/Generated/ComboRow.swift
index e66f899..b73398c 100644
--- a/Sources/Adwaita/View/Generated/ComboRow.swift
+++ b/Sources/Adwaita/View/Generated/ComboRow.swift
@@ -2,7 +2,7 @@
 //  ComboRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -32,10 +32,17 @@ import LevenshteinTransformations
 /// 
 public struct ComboRow: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The widget to activate when the row is activated.
     /// 
diff --git a/Sources/Adwaita/View/Generated/DropDown.swift b/Sources/Adwaita/View/Generated/DropDown.swift
index 964086e..1541a7f 100644
--- a/Sources/Adwaita/View/Generated/DropDown.swift
+++ b/Sources/Adwaita/View/Generated/DropDown.swift
@@ -2,7 +2,7 @@
 //  DropDown.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -48,10 +48,17 @@ import LevenshteinTransformations
 /// 
 public struct DropDown: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Entry.swift b/Sources/Adwaita/View/Generated/Entry.swift
index 95b535b..fd477ce 100644
--- a/Sources/Adwaita/View/Generated/Entry.swift
+++ b/Sources/Adwaita/View/Generated/Entry.swift
@@ -2,7 +2,7 @@
 //  Entry.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -48,10 +48,17 @@ import LevenshteinTransformations
 /// 
 public struct Entry: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/EntryRow.swift b/Sources/Adwaita/View/Generated/EntryRow.swift
index c52192e..d7820d9 100644
--- a/Sources/Adwaita/View/Generated/EntryRow.swift
+++ b/Sources/Adwaita/View/Generated/EntryRow.swift
@@ -2,7 +2,7 @@
 //  EntryRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -29,10 +29,17 @@ import LevenshteinTransformations
 /// 
 public struct EntryRow: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// Whether activating the embedded entry can activate the default widget.
     var activatesDefault: Bool?
diff --git a/Sources/Adwaita/View/Generated/ExpanderRow.swift b/Sources/Adwaita/View/Generated/ExpanderRow.swift
index 79b48b7..e1b01f4 100644
--- a/Sources/Adwaita/View/Generated/ExpanderRow.swift
+++ b/Sources/Adwaita/View/Generated/ExpanderRow.swift
@@ -2,7 +2,7 @@
 //  ExpanderRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -19,10 +19,17 @@ import LevenshteinTransformations
 /// 
 public struct ExpanderRow: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// Whether expansion is enabled.
     var enableExpansion: Binding<Bool>?
diff --git a/Sources/Adwaita/View/Generated/Fixed.swift b/Sources/Adwaita/View/Generated/Fixed.swift
index 5e446f3..3d4b5b7 100644
--- a/Sources/Adwaita/View/Generated/Fixed.swift
+++ b/Sources/Adwaita/View/Generated/Fixed.swift
@@ -2,7 +2,7 @@
 //  Fixed.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -47,10 +47,17 @@ import LevenshteinTransformations
 /// widget. But you should be aware of the tradeoffs.
 public struct Fixed: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/FlowBox.swift b/Sources/Adwaita/View/Generated/FlowBox.swift
index ea03005..57d4fd2 100644
--- a/Sources/Adwaita/View/Generated/FlowBox.swift
+++ b/Sources/Adwaita/View/Generated/FlowBox.swift
@@ -2,7 +2,7 @@
 //  FlowBox.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -39,10 +39,17 @@ import LevenshteinTransformations
 /// 
 public struct FlowBox<Element>: AdwaitaWidget where Element: Identifiable {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// Whether to accept unpaired release events.
     var acceptUnpairedRelease: Bool?
diff --git a/Sources/Adwaita/View/Generated/HeaderBar.swift b/Sources/Adwaita/View/Generated/HeaderBar.swift
index 6e83181..a060cd4 100644
--- a/Sources/Adwaita/View/Generated/HeaderBar.swift
+++ b/Sources/Adwaita/View/Generated/HeaderBar.swift
@@ -2,7 +2,7 @@
 //  HeaderBar.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -19,10 +19,17 @@ import LevenshteinTransformations
 /// 
 public struct HeaderBar: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The decoration layout for buttons.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Image.swift b/Sources/Adwaita/View/Generated/Image.swift
index 300f275..1c9cda9 100644
--- a/Sources/Adwaita/View/Generated/Image.swift
+++ b/Sources/Adwaita/View/Generated/Image.swift
@@ -2,7 +2,7 @@
 //  Image.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -41,10 +41,17 @@ import LevenshteinTransformations
 /// 
 public struct Image: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Label.swift b/Sources/Adwaita/View/Generated/Label.swift
index 4d7589b..50d1bb5 100644
--- a/Sources/Adwaita/View/Generated/Label.swift
+++ b/Sources/Adwaita/View/Generated/Label.swift
@@ -2,7 +2,7 @@
 //  Label.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -17,10 +17,17 @@ import LevenshteinTransformations
 /// 
 public struct Label: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/LevelBar.swift b/Sources/Adwaita/View/Generated/LevelBar.swift
index 261d6ae..510c6ea 100644
--- a/Sources/Adwaita/View/Generated/LevelBar.swift
+++ b/Sources/Adwaita/View/Generated/LevelBar.swift
@@ -2,7 +2,7 @@
 //  LevelBar.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -29,10 +29,17 @@ import LevenshteinTransformations
 /// 
 public struct LevelBar: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/LinkButton.swift b/Sources/Adwaita/View/Generated/LinkButton.swift
index 6af9d2f..5972e9e 100644
--- a/Sources/Adwaita/View/Generated/LinkButton.swift
+++ b/Sources/Adwaita/View/Generated/LinkButton.swift
@@ -2,7 +2,7 @@
 //  LinkButton.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -29,10 +29,17 @@ import LevenshteinTransformations
 /// 
 public struct LinkButton: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/ListBox.swift b/Sources/Adwaita/View/Generated/ListBox.swift
index 776374f..fa13aa4 100644
--- a/Sources/Adwaita/View/Generated/ListBox.swift
+++ b/Sources/Adwaita/View/Generated/ListBox.swift
@@ -2,7 +2,7 @@
 //  ListBox.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -36,10 +36,17 @@ import LevenshteinTransformations
 /// 
 public struct ListBox<Element>: AdwaitaWidget where Element: Identifiable {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// Whether to accept unpaired release events.
     var acceptUnpairedRelease: Bool?
diff --git a/Sources/Adwaita/View/Generated/Menu.swift b/Sources/Adwaita/View/Generated/Menu.swift
index 4c6ff70..0097846 100644
--- a/Sources/Adwaita/View/Generated/Menu.swift
+++ b/Sources/Adwaita/View/Generated/Menu.swift
@@ -2,7 +2,7 @@
 //  Menu.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -44,10 +44,17 @@ import LevenshteinTransformations
 /// 
 public struct Menu: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/NavigationView.swift b/Sources/Adwaita/View/Generated/NavigationView.swift
index 75b98c2..a1de911 100644
--- a/Sources/Adwaita/View/Generated/NavigationView.swift
+++ b/Sources/Adwaita/View/Generated/NavigationView.swift
@@ -2,7 +2,7 @@
 //  NavigationView.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -39,10 +39,17 @@ import LevenshteinTransformations
 /// 
 public struct NavigationView: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// Whether to animate page transitions.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Overlay.swift b/Sources/Adwaita/View/Generated/Overlay.swift
index 02b62de..b2470b4 100644
--- a/Sources/Adwaita/View/Generated/Overlay.swift
+++ b/Sources/Adwaita/View/Generated/Overlay.swift
@@ -2,7 +2,7 @@
 //  Overlay.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -31,10 +31,17 @@ import LevenshteinTransformations
 /// 
 public struct Overlay: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/OverlaySplitView.swift b/Sources/Adwaita/View/Generated/OverlaySplitView.swift
index b52905a..6d423da 100644
--- a/Sources/Adwaita/View/Generated/OverlaySplitView.swift
+++ b/Sources/Adwaita/View/Generated/OverlaySplitView.swift
@@ -2,7 +2,7 @@
 //  OverlaySplitView.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -50,10 +50,17 @@ import LevenshteinTransformations
 /// 
 public struct OverlaySplitView: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// Whether the split view is collapsed.
     /// 
diff --git a/Sources/Adwaita/View/Generated/PasswordEntryRow.swift b/Sources/Adwaita/View/Generated/PasswordEntryRow.swift
index 9ae1a73..06f8809 100644
--- a/Sources/Adwaita/View/Generated/PasswordEntryRow.swift
+++ b/Sources/Adwaita/View/Generated/PasswordEntryRow.swift
@@ -2,7 +2,7 @@
 //  PasswordEntryRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -23,10 +23,17 @@ import LevenshteinTransformations
 /// 
 public struct PasswordEntryRow: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// Whether activating the embedded entry can activate the default widget.
     var activatesDefault: Bool?
diff --git a/Sources/Adwaita/View/Generated/Picture.swift b/Sources/Adwaita/View/Generated/Picture.swift
index 85b8c1f..4fcff4a 100644
--- a/Sources/Adwaita/View/Generated/Picture.swift
+++ b/Sources/Adwaita/View/Generated/Picture.swift
@@ -2,7 +2,7 @@
 //  Picture.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -38,10 +38,17 @@ import LevenshteinTransformations
 /// 
 public struct Picture: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Popover.swift b/Sources/Adwaita/View/Generated/Popover.swift
index 7195c66..80fc4c6 100644
--- a/Sources/Adwaita/View/Generated/Popover.swift
+++ b/Sources/Adwaita/View/Generated/Popover.swift
@@ -2,7 +2,7 @@
 //  Popover.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -35,10 +35,17 @@ import LevenshteinTransformations
 /// 
 public struct Popover: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/PreferencesGroup.swift b/Sources/Adwaita/View/Generated/PreferencesGroup.swift
index 90f9b59..6b4deff 100644
--- a/Sources/Adwaita/View/Generated/PreferencesGroup.swift
+++ b/Sources/Adwaita/View/Generated/PreferencesGroup.swift
@@ -2,7 +2,7 @@
 //  PreferencesGroup.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -24,10 +24,17 @@ import LevenshteinTransformations
 /// [`.boxed-list-separate`](style-classes.html
 public struct PreferencesGroup: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The description for this group of preferences.
     var description: String?
diff --git a/Sources/Adwaita/View/Generated/PreferencesPage.swift b/Sources/Adwaita/View/Generated/PreferencesPage.swift
index ee9e2fd..fc9d2e0 100644
--- a/Sources/Adwaita/View/Generated/PreferencesPage.swift
+++ b/Sources/Adwaita/View/Generated/PreferencesPage.swift
@@ -2,7 +2,7 @@
 //  PreferencesPage.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -18,10 +18,17 @@ import LevenshteinTransformations
 /// 
 public struct PreferencesPage: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The description to be displayed at the top of the page.
     var description: String?
diff --git a/Sources/Adwaita/View/Generated/PreferencesRow.swift b/Sources/Adwaita/View/Generated/PreferencesRow.swift
index 8fcc8a0..fb5a99d 100644
--- a/Sources/Adwaita/View/Generated/PreferencesRow.swift
+++ b/Sources/Adwaita/View/Generated/PreferencesRow.swift
@@ -2,7 +2,7 @@
 //  PreferencesRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -19,10 +19,17 @@ import LevenshteinTransformations
 /// compose the inputs of the preference around it.
 public struct PreferencesRow: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The title of the preference represented by this row.
     /// 
diff --git a/Sources/Adwaita/View/Generated/ProgressBar.swift b/Sources/Adwaita/View/Generated/ProgressBar.swift
index 2d8c62d..1a1a1e1 100644
--- a/Sources/Adwaita/View/Generated/ProgressBar.swift
+++ b/Sources/Adwaita/View/Generated/ProgressBar.swift
@@ -2,7 +2,7 @@
 //  ProgressBar.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -36,10 +36,17 @@ import LevenshteinTransformations
 /// 
 public struct ProgressBar: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/ScrolledWindow.swift b/Sources/Adwaita/View/Generated/ScrolledWindow.swift
index 0ed3b92..93ea0d8 100644
--- a/Sources/Adwaita/View/Generated/ScrolledWindow.swift
+++ b/Sources/Adwaita/View/Generated/ScrolledWindow.swift
@@ -2,7 +2,7 @@
 //  ScrolledWindow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -42,10 +42,17 @@ import LevenshteinTransformations
 /// 
 public struct ScrolledWindow: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/SearchBar.swift b/Sources/Adwaita/View/Generated/SearchBar.swift
index 3837cfb..518f89e 100644
--- a/Sources/Adwaita/View/Generated/SearchBar.swift
+++ b/Sources/Adwaita/View/Generated/SearchBar.swift
@@ -2,7 +2,7 @@
 //  SearchBar.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -30,10 +30,17 @@ import LevenshteinTransformations
 /// 
 public struct SearchBar: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/SearchEntry.swift b/Sources/Adwaita/View/Generated/SearchEntry.swift
index 4312fa5..6e7efae 100644
--- a/Sources/Adwaita/View/Generated/SearchEntry.swift
+++ b/Sources/Adwaita/View/Generated/SearchEntry.swift
@@ -2,7 +2,7 @@
 //  SearchEntry.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -41,10 +41,17 @@ import LevenshteinTransformations
 /// 
 public struct SearchEntry: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Separator.swift b/Sources/Adwaita/View/Generated/Separator.swift
index 515f13e..df6152b 100644
--- a/Sources/Adwaita/View/Generated/Separator.swift
+++ b/Sources/Adwaita/View/Generated/Separator.swift
@@ -2,7 +2,7 @@
 //  Separator.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -19,10 +19,17 @@ import LevenshteinTransformations
 /// 
 public struct Separator: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/SpinRow.swift b/Sources/Adwaita/View/Generated/SpinRow.swift
index a70b4e3..bfed1a9 100644
--- a/Sources/Adwaita/View/Generated/SpinRow.swift
+++ b/Sources/Adwaita/View/Generated/SpinRow.swift
@@ -2,7 +2,7 @@
 //  SpinRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -23,10 +23,17 @@ import LevenshteinTransformations
 /// 
 public struct SpinRow: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The widget to activate when the row is activated.
     /// 
diff --git a/Sources/Adwaita/View/Generated/Spinner.swift b/Sources/Adwaita/View/Generated/Spinner.swift
index 678a964..926f08d 100644
--- a/Sources/Adwaita/View/Generated/Spinner.swift
+++ b/Sources/Adwaita/View/Generated/Spinner.swift
@@ -2,7 +2,7 @@
 //  Spinner.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -31,10 +31,17 @@ import LevenshteinTransformations
 /// 
 public struct Spinner: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
 
     /// Initialize `Spinner`.
diff --git a/Sources/Adwaita/View/Generated/SplitButton.swift b/Sources/Adwaita/View/Generated/SplitButton.swift
index d319131..124664f 100644
--- a/Sources/Adwaita/View/Generated/SplitButton.swift
+++ b/Sources/Adwaita/View/Generated/SplitButton.swift
@@ -2,7 +2,7 @@
 //  SplitButton.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -21,10 +21,17 @@ import LevenshteinTransformations
 /// 
 public struct SplitButton: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// Whether the button can be smaller than the natural size of its contents.
     /// 
diff --git a/Sources/Adwaita/View/Generated/StatusPage.swift b/Sources/Adwaita/View/Generated/StatusPage.swift
index f1491bd..5f091d1 100644
--- a/Sources/Adwaita/View/Generated/StatusPage.swift
+++ b/Sources/Adwaita/View/Generated/StatusPage.swift
@@ -2,7 +2,7 @@
 //  StatusPage.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -18,10 +18,17 @@ import LevenshteinTransformations
 /// 
 public struct StatusPage: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The child widget.
     var child: Body?
diff --git a/Sources/Adwaita/View/Generated/SwitchRow.swift b/Sources/Adwaita/View/Generated/SwitchRow.swift
index eb55503..e77b3b1 100644
--- a/Sources/Adwaita/View/Generated/SwitchRow.swift
+++ b/Sources/Adwaita/View/Generated/SwitchRow.swift
@@ -2,7 +2,7 @@
 //  SwitchRow.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -32,10 +32,17 @@ import LevenshteinTransformations
 /// 
 public struct SwitchRow: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The widget to activate when the row is activated.
     /// 
diff --git a/Sources/Adwaita/View/Generated/ToastOverlay.swift b/Sources/Adwaita/View/Generated/ToastOverlay.swift
index e12b095..dd44d42 100644
--- a/Sources/Adwaita/View/Generated/ToastOverlay.swift
+++ b/Sources/Adwaita/View/Generated/ToastOverlay.swift
@@ -2,7 +2,7 @@
 //  ToastOverlay.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -24,10 +24,17 @@ import LevenshteinTransformations
 /// 
 public struct ToastOverlay: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The child widget.
     var child: Body?
diff --git a/Sources/Adwaita/View/Generated/ToggleButton.swift b/Sources/Adwaita/View/Generated/ToggleButton.swift
index 4a8fb5a..7478636 100644
--- a/Sources/Adwaita/View/Generated/ToggleButton.swift
+++ b/Sources/Adwaita/View/Generated/ToggleButton.swift
@@ -2,7 +2,7 @@
 //  ToggleButton.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -26,10 +26,17 @@ import LevenshteinTransformations
 /// 
 public struct ToggleButton: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The accessible role of the given `GtkAccessible` implementation.
     /// 
diff --git a/Sources/Adwaita/View/Generated/ToggleGroup.swift b/Sources/Adwaita/View/Generated/ToggleGroup.swift
index 881d090..f300d7d 100644
--- a/Sources/Adwaita/View/Generated/ToggleGroup.swift
+++ b/Sources/Adwaita/View/Generated/ToggleGroup.swift
@@ -2,7 +2,7 @@
 //  ToggleGroup.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -46,10 +46,17 @@ import LevenshteinTransformations
 /// 
 public struct ToggleGroup: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The index of the active toggle.
     /// 
diff --git a/Sources/Adwaita/View/Generated/ToolbarView.swift b/Sources/Adwaita/View/Generated/ToolbarView.swift
index 7097f77..48cc4a5 100644
--- a/Sources/Adwaita/View/Generated/ToolbarView.swift
+++ b/Sources/Adwaita/View/Generated/ToolbarView.swift
@@ -2,7 +2,7 @@
 //  ToolbarView.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -33,10 +33,17 @@ import LevenshteinTransformations
 /// [`.toolbar`](style-classes.html
 public struct ToolbarView: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The current bottom bar height.
     /// 
diff --git a/Sources/Adwaita/View/Generated/WindowTitle.swift b/Sources/Adwaita/View/Generated/WindowTitle.swift
index 8047405..fba7910 100644
--- a/Sources/Adwaita/View/Generated/WindowTitle.swift
+++ b/Sources/Adwaita/View/Generated/WindowTitle.swift
@@ -2,7 +2,7 @@
 //  WindowTitle.swift
 //  Adwaita
 //
-//  Created by auto-generation on 02.02.26.
+//  Created by auto-generation on 03.02.26.
 //
 
 import CAdw
@@ -18,10 +18,17 @@ import LevenshteinTransformations
 /// 
 public struct WindowTitle: AdwaitaWidget {
 
+    #if exposeGeneratedAppearUpdateFunctions
+    /// Additional update functions for type extensions.
+    public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+    /// Additional appear functions for type extensions.
+    public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #else
     /// Additional update functions for type extensions.
     var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
     /// Additional appear functions for type extensions.
     var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+    #endif
 
     /// The subtitle to display.
     /// 
diff --git a/Sources/Generation/GIR/Class.swift b/Sources/Generation/GIR/Class.swift
index a3e5fad..b6e6384 100644
--- a/Sources/Generation/GIR/Class.swift
+++ b/Sources/Generation/GIR/Class.swift
@@ -83,10 +83,17 @@ struct Class: ClassLike, Decodable {
         \(doc.docComment(configuration: genConfig))
         public struct \(definition) {
 
+            #if exposeGeneratedAppearUpdateFunctions
+            /// Additional update functions for type extensions.
+            public var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
+            /// Additional appear functions for type extensions.
+            public var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+            #else
             /// Additional update functions for type extensions.
             var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
             /// Additional appear functions for type extensions.
             var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
+            #endif
         \(generateProperties(config: config, genConfig: genConfig, namespace: namespace, configs: configs))
 
             /// Initialize `\(widgetName)`.