diff --git a/packages/cupertino_ui/lib/cupertino_ui.dart b/packages/cupertino_ui/lib/cupertino_ui.dart
index 82620d849398..698aaf04a5cc 100644
--- a/packages/cupertino_ui/lib/cupertino_ui.dart
+++ b/packages/cupertino_ui/lib/cupertino_ui.dart
@@ -11,7 +11,7 @@
 /// example the [Material
 /// Design](https://docs.flutter.dev/ui/widgets/material) set.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=3PdUaidHc-E}
+/// Learn more about Cupertino widgets on the [Flutter YouTube channel](https://www.youtube.com/watch?v=3PdUaidHc-E).
 ///
 /// See also:
 ///
@@ -19,6 +19,8 @@
 ///    for a catalog of all Cupertino widgets.
 ///  * [flutter.dev/widgets](https://docs.flutter.dev/ui/widgets)
 ///    for a catalog of commonly-used Flutter widgets.
+/// @docImport 'package:flutter_test/flutter_test.dart';
+/// @docImport 'package:intl/intl.dart';
 library cupertino_ui;
 
 export 'package:flutter/widgets.dart';
diff --git a/packages/cupertino_ui/lib/src/activity_indicator.dart b/packages/cupertino_ui/lib/src/activity_indicator.dart
index 511882bfe08f..2b8900a2e481 100644
--- a/packages/cupertino_ui/lib/src/activity_indicator.dart
+++ b/packages/cupertino_ui/lib/src/activity_indicator.dart
@@ -19,7 +19,7 @@ const Color _kActiveTickColor = CupertinoDynamicColor.withBrightness(
 
 /// An iOS-style activity indicator that spins clockwise.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=AENVH-ZqKDQ}
+/// Learn more about [CupertinoActivityIndicator] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=AENVH-ZqKDQ).
 ///
 /// <callout-box>
 ///
diff --git a/packages/cupertino_ui/lib/src/checkbox.dart b/packages/cupertino_ui/lib/src/checkbox.dart
index 36628acbf381..55c1c6d96f2a 100644
--- a/packages/cupertino_ui/lib/src/checkbox.dart
+++ b/packages/cupertino_ui/lib/src/checkbox.dart
@@ -48,7 +48,7 @@ const List<double> _kDisabledDarkGradientOpacities = <double>[0.08, 0.14];
 
 /// A macOS style checkbox.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=ua54JU7k1Us}
+/// Learn more about [CupertinoCheckbox] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=ua54JU7k1Us).
 ///
 /// The checkbox itself does not maintain any state. Instead, when the state of
 /// the checkbox changes, the widget calls the [onChanged] callback. Most
diff --git a/packages/cupertino_ui/lib/src/dialog.dart b/packages/cupertino_ui/lib/src/dialog.dart
index 72e6f64057de..8253d30ddfb5 100644
--- a/packages/cupertino_ui/lib/src/dialog.dart
+++ b/packages/cupertino_ui/lib/src/dialog.dart
@@ -195,7 +195,7 @@ bool _isInAccessibilityMode(BuildContext context) {
 
 /// An iOS-style alert dialog.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=75CsnyRXf5I}
+/// Learn more about [CupertinoAlertDialog] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=75CsnyRXf5I).
 ///
 /// An alert dialog informs the user about situations that require
 /// acknowledgment. An alert dialog has an optional title, optional content,
@@ -1052,7 +1052,7 @@ class _ActionSheetGestureDetector extends StatelessWidget {
 
 /// An iOS-style action sheet.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=U-ao8p4A82k}
+/// Learn more about [CupertinoActionSheet] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=U-ao8p4A82k).
 ///
 /// An action sheet is a specific style of alert that presents the user
 /// with a set of two or more choices related to the current context.
diff --git a/packages/cupertino_ui/lib/src/l10n/generated_cupertino_localizations.dart b/packages/cupertino_ui/lib/src/l10n/generated_cupertino_localizations.dart
index 17c3fa713666..adcce31bc5c0 100644
--- a/packages/cupertino_ui/lib/src/l10n/generated_cupertino_localizations.dart
+++ b/packages/cupertino_ui/lib/src/l10n/generated_cupertino_localizations.dart
@@ -6,6 +6,9 @@
 // To regenerate the file, use:
 // dart script/l10n/bin/gen_localizations.dart --overwrite
 
+/// @docImport 'package:intl/intl.dart';
+library;
+
 import 'dart:collection';
 
 import 'package:flutter/widgets.dart';
diff --git a/packages/cupertino_ui/lib/src/radio.dart b/packages/cupertino_ui/lib/src/radio.dart
index b883dd24e1bb..ed7a3e701ee4 100644
--- a/packages/cupertino_ui/lib/src/radio.dart
+++ b/packages/cupertino_ui/lib/src/radio.dart
@@ -59,7 +59,7 @@ const List<double> _kDisabledDarkGradientOpacities = <double>[0.08, 0.14];
 
 /// A widget that builds a [RawRadio] with a macOS-style UI.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=D0xwcz2IqAY}
+/// Learn more about [CupertinoRadio] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=D0xwcz2IqAY).
 ///
 /// Used to select between a number of mutually exclusive values. When one radio
 /// button in a group is selected, the other radio buttons in the group are
diff --git a/packages/cupertino_ui/lib/src/scrollbar.dart b/packages/cupertino_ui/lib/src/scrollbar.dart
index d3387c15e413..2658e97f2d76 100644
--- a/packages/cupertino_ui/lib/src/scrollbar.dart
+++ b/packages/cupertino_ui/lib/src/scrollbar.dart
@@ -35,7 +35,7 @@ const double _kScrollbarCrossAxisMargin = 3.0;
 /// To add a scrollbar to a [ScrollView], wrap the scroll view widget in
 /// a [CupertinoScrollbar] widget.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=DbkIQSvwnZc}
+/// Learn more about [CupertinoScrollbar] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=DbkIQSvwnZc).
 ///
 /// {@macro flutter.widgets.Scrollbar}
 ///
diff --git a/packages/cupertino_ui/lib/src/sheet.dart b/packages/cupertino_ui/lib/src/sheet.dart
index 4512d4157398..0044e001dcaf 100644
--- a/packages/cupertino_ui/lib/src/sheet.dart
+++ b/packages/cupertino_ui/lib/src/sheet.dart
@@ -105,7 +105,7 @@ typedef _GetSheetDragged = bool Function();
 /// Shows a Cupertino-style sheet widget that slides up from the bottom of the
 /// screen and stacks the previous route behind the new sheet.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=5H-WvH5O29I}
+/// Learn more about [CupertinoSheetRoute] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=5H-WvH5O29I).
 ///
 /// This is a convenience method for displaying [CupertinoSheetRoute] for most
 /// use cases. The Widget returned from `scrollableBuilder` will be used to display
@@ -591,7 +591,7 @@ class _StretchDragControllerProvider extends InheritedWidget {
 
 /// Route for displaying an iOS sheet styled page.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=5H-WvH5O29I}
+/// Learn more about [CupertinoSheetRoute] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=5H-WvH5O29I).
 ///
 /// The `CupertinoSheetRoute` will slide up from the bottom of the screen and stop
 /// below the top of the screen. If the previous route is a non-sheet route, then
diff --git a/packages/cupertino_ui/lib/src/slider.dart b/packages/cupertino_ui/lib/src/slider.dart
index 60f4ddf7dfdc..d047c8c5adea 100644
--- a/packages/cupertino_ui/lib/src/slider.dart
+++ b/packages/cupertino_ui/lib/src/slider.dart
@@ -36,7 +36,7 @@ const double _kVelocityThreshold = 1.0;
 
 /// An iOS-style slider.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=ufb4gIPDmEs}
+/// Learn more about [CupertinoSlider] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=ufb4gIPDmEs).
 ///
 /// Used to select from a range of values.
 ///
diff --git a/packages/cupertino_ui/lib/src/sliding_segmented_control.dart b/packages/cupertino_ui/lib/src/sliding_segmented_control.dart
index 6a33ec2ec6f1..4fdb370b8b5c 100644
--- a/packages/cupertino_ui/lib/src/sliding_segmented_control.dart
+++ b/packages/cupertino_ui/lib/src/sliding_segmented_control.dart
@@ -309,7 +309,7 @@ class _SegmentSeparatorState extends State<_SegmentSeparator>
 
 /// An iOS 13 style segmented control.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=esnBf6V4C34}
+/// Learn more about [CupertinoSlidingSegmentedControl] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=esnBf6V4C34).
 ///
 /// Displays the widgets provided in the [Map] of [children] in a horizontal list.
 /// It allows the user to select between a number of mutually exclusive options,
diff --git a/packages/cupertino_ui/lib/src/switch.dart b/packages/cupertino_ui/lib/src/switch.dart
index 81d6ba9f3de2..f679e70f3eaf 100644
--- a/packages/cupertino_ui/lib/src/switch.dart
+++ b/packages/cupertino_ui/lib/src/switch.dart
@@ -69,7 +69,7 @@ const CupertinoDynamicColor _kOffLabelColor = CupertinoDynamicColor.withBrightne
 ///
 /// Used to toggle the on/off state of a single setting.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=24tg_N4sdMQ}
+/// Learn more about [CupertinoSwitch] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=24tg_N4sdMQ).
 ///
 /// The switch itself does not maintain its toggle state. Instead, when the
 /// toggle state of the switch changes, the widget calls the [onChanged]
diff --git a/packages/material_ui/lib/material_ui.dart b/packages/material_ui/lib/material_ui.dart
index 634995c18683..92dd582432fa 100644
--- a/packages/material_ui/lib/material_ui.dart
+++ b/packages/material_ui/lib/material_ui.dart
@@ -6,7 +6,7 @@
 ///
 /// To use, import `package:material_ui/material_ui.dart`.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=DL0Ix1lnC4w}
+/// Learn more about Material Design widgets on the [Flutter YouTube channel](https://www.youtube.com/watch?v=DL0Ix1lnC4w).
 ///
 /// See also:
 ///
@@ -14,6 +14,8 @@
 ///    for a catalog of commonly-used Material component widgets.
 ///  * [m3.material.io](https://m3.material.io/) for the Material 3 specification
 ///  * [m2.material.io](https://m2.material.io/) for the Material 2 specification
+/// @docImport 'package:flutter_test/flutter_test.dart';
+/// @docImport 'package:intl/intl.dart';
 library material_ui;
 
 export 'package:flutter/widgets.dart';
diff --git a/packages/material_ui/lib/src/about.dart b/packages/material_ui/lib/src/about.dart
index 41bb4c6b6f12..be76f7f4ccb6 100644
--- a/packages/material_ui/lib/src/about.dart
+++ b/packages/material_ui/lib/src/about.dart
@@ -333,7 +333,7 @@ const double _textVerticalSeparation = 18.0;
 ///
 /// To show an [AboutDialog], use [showAboutDialog].
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=YFCSODyFxbE}
+/// Learn more about [AboutDialog] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=YFCSODyFxbE).
 ///
 /// If the application has a [Drawer], the [AboutListTile] widget can make the
 /// process of showing an about dialog simpler.
diff --git a/packages/material_ui/lib/src/animated_icons/animated_icons.dart b/packages/material_ui/lib/src/animated_icons/animated_icons.dart
index 7b917bf8d20f..1bf448e6a6ff 100644
--- a/packages/material_ui/lib/src/animated_icons/animated_icons.dart
+++ b/packages/material_ui/lib/src/animated_icons/animated_icons.dart
@@ -14,7 +14,7 @@ part of material_animated_icons; // ignore: use_string_in_part_of_directives
 ///
 /// The available icons are specified in [AnimatedIcons].
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=pJcbh8pbvJs}
+/// Learn more about [AnimatedIcon] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=pJcbh8pbvJs).
 ///
 /// <callout-box>
 ///
diff --git a/packages/material_ui/lib/src/app_bar.dart b/packages/material_ui/lib/src/app_bar.dart
index 4cd84ef47684..7997ed4c39b7 100644
--- a/packages/material_ui/lib/src/app_bar.dart
+++ b/packages/material_ui/lib/src/app_bar.dart
@@ -1520,7 +1520,7 @@ class _SliverAppBarDelegate extends SliverPersistentHeaderDelegate {
 /// common actions with [IconButton]s which are optionally followed by a
 /// [PopupMenuButton] for less common operations.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=R9C5KMJKluE}
+/// Learn more about [SliverAppBar] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=R9C5KMJKluE).
 ///
 /// Sliver app bars are typically used as the first child of a
 /// [CustomScrollView], which lets the app bar integrate with the scroll view so
diff --git a/packages/material_ui/lib/src/autocomplete.dart b/packages/material_ui/lib/src/autocomplete.dart
index bcb86c4a6717..cb18493c7876 100644
--- a/packages/material_ui/lib/src/autocomplete.dart
+++ b/packages/material_ui/lib/src/autocomplete.dart
@@ -12,7 +12,7 @@ import 'theme.dart';
 
 /// {@macro flutter.widgets.RawAutocomplete.RawAutocomplete}
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=-Nny8kzW380}
+/// Learn more about [Autocomplete] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=-Nny8kzW380).
 ///
 /// <callout-box>
 ///
diff --git a/packages/material_ui/lib/src/checkbox_list_tile.dart b/packages/material_ui/lib/src/checkbox_list_tile.dart
index d96546802d41..de26fdad200c 100644
--- a/packages/material_ui/lib/src/checkbox_list_tile.dart
+++ b/packages/material_ui/lib/src/checkbox_list_tile.dart
@@ -34,7 +34,7 @@ enum _CheckboxType { material, adaptive }
 /// The entire list tile is interactive: tapping anywhere in the tile toggles
 /// the checkbox.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=RkSqPAn9szs}
+/// Learn more about [CheckboxListTile] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=RkSqPAn9szs).
 ///
 /// The [value], [onChanged], [activeColor] and [checkColor] properties of this widget are
 /// identical to the similarly-named properties on the [Checkbox] widget.
diff --git a/packages/material_ui/lib/src/data_table.dart b/packages/material_ui/lib/src/data_table.dart
index 1972d2e91683..d16cc15ef77f 100644
--- a/packages/material_ui/lib/src/data_table.dart
+++ b/packages/material_ui/lib/src/data_table.dart
@@ -388,7 +388,7 @@ class DataCell {
 /// [Material 2](https://material.io/go/design-data-tables)
 /// design specification.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=ktTajqbhIcY}
+/// Learn more about [DataTable] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=ktTajqbhIcY).
 ///
 /// ## Performance considerations
 ///
diff --git a/packages/material_ui/lib/src/dialog.dart b/packages/material_ui/lib/src/dialog.dart
index 3432029f262c..4d68231347d5 100644
--- a/packages/material_ui/lib/src/dialog.dart
+++ b/packages/material_ui/lib/src/dialog.dart
@@ -327,7 +327,7 @@ class Dialog extends StatelessWidget {
 /// title and an optional list of actions. The title is displayed above the
 /// content and the actions are displayed below the content.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=75CsnyRXf5I}
+/// Learn more about [AlertDialog] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=75CsnyRXf5I).
 ///
 /// For dialogs that offer the user a choice between several options, consider
 /// using a [SimpleDialog].
diff --git a/packages/material_ui/lib/src/divider.dart b/packages/material_ui/lib/src/divider.dart
index 2fb6e3ae30da..02baf7b5732a 100644
--- a/packages/material_ui/lib/src/divider.dart
+++ b/packages/material_ui/lib/src/divider.dart
@@ -24,7 +24,7 @@ import 'theme.dart';
 /// To create a divider between [ListTile] items, consider using
 /// [ListTile.divideTiles], which is optimized for this case.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=_liUC641Nmk}
+/// Learn more about [Divider] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=_liUC641Nmk).
 ///
 /// The box's total height is controlled by [height]. The appropriate
 /// padding is automatically computed from the height.
diff --git a/packages/material_ui/lib/src/drawer.dart b/packages/material_ui/lib/src/drawer.dart
index 6d9ce01bb0bb..5e4414ba7b3f 100644
--- a/packages/material_ui/lib/src/drawer.dart
+++ b/packages/material_ui/lib/src/drawer.dart
@@ -70,7 +70,7 @@ const Duration _kBaseSettleDuration = Duration(milliseconds: 246);
 /// that's preferred for applications that are configured for Material 3
 /// (see [ThemeData.useMaterial3]).
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=WRj86iHihgY}
+/// Learn more about [Drawer] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=WRj86iHihgY).
 ///
 /// Drawers are typically used with the [Scaffold.drawer] property. The child of
 /// the drawer is usually a [ListView] whose first child is a [DrawerHeader]
diff --git a/packages/material_ui/lib/src/dropdown.dart b/packages/material_ui/lib/src/dropdown.dart
index 8368082deafd..59f784647438 100644
--- a/packages/material_ui/lib/src/dropdown.dart
+++ b/packages/material_ui/lib/src/dropdown.dart
@@ -924,7 +924,7 @@ class DropdownButtonHideUnderline extends InheritedWidget {
 /// from [DropdownButton] to [DropdownMenu].
 ///
 /// ## Using [DropdownButton]
-/// {@youtube 560 315 https://www.youtube.com/watch?v=ZzQ_PWrFihg}
+/// Learn more about [DropdownButton] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=ZzQ_PWrFihg).
 ///
 /// One ancestor must be a [Material] widget and typically this is
 /// provided by the app's [Scaffold].
diff --git a/packages/material_ui/lib/src/dropdown_menu.dart b/packages/material_ui/lib/src/dropdown_menu.dart
index fdf056b4436f..21798bcc31de 100644
--- a/packages/material_ui/lib/src/dropdown_menu.dart
+++ b/packages/material_ui/lib/src/dropdown_menu.dart
@@ -150,7 +150,7 @@ enum DropdownMenuCloseBehavior {
 /// A dropdown menu that can be opened from a [TextField]. The selected
 /// menu item is displayed in that field.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=giV9AbM2gd8}
+/// Learn more about [DropdownMenu] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=giV9AbM2gd8).
 ///
 /// This widget is used to help people make a choice from a menu and put the
 /// selected item into the text input field. People can also filter the list based
diff --git a/packages/material_ui/lib/src/expansion_panel.dart b/packages/material_ui/lib/src/expansion_panel.dart
index 8669a67b9e74..1f94e8627f89 100644
--- a/packages/material_ui/lib/src/expansion_panel.dart
+++ b/packages/material_ui/lib/src/expansion_panel.dart
@@ -62,7 +62,7 @@ typedef ExpansionPanelHeaderBuilder = Widget Function(BuildContext context, bool
 /// expanded or collapsed. The body of the panel is only visible when it is
 /// expanded.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=2aJZzRMziJc}
+/// Learn more about [ExpansionPanel] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=2aJZzRMziJc).
 ///
 /// Expansion panels are only intended to be used as children for
 /// [ExpansionPanelList].
diff --git a/packages/material_ui/lib/src/flexible_space_bar.dart b/packages/material_ui/lib/src/flexible_space_bar.dart
index 26045768ecfa..9134310ccd53 100644
--- a/packages/material_ui/lib/src/flexible_space_bar.dart
+++ b/packages/material_ui/lib/src/flexible_space_bar.dart
@@ -44,7 +44,7 @@ enum StretchMode {
 /// The part of a Material Design [AppBar] that expands, collapses, and
 /// stretches.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=mSc7qFzxHDw}
+/// Learn more about [FlexibleSpaceBar] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=mSc7qFzxHDw).
 ///
 /// Most commonly used in the [SliverAppBar.flexibleSpace] field, a flexible
 /// space bar expands and contracts as the app scrolls so that the [AppBar]
diff --git a/packages/material_ui/lib/src/floating_action_button.dart b/packages/material_ui/lib/src/floating_action_button.dart
index 245543295af4..3989b3dcf979 100644
--- a/packages/material_ui/lib/src/floating_action_button.dart
+++ b/packages/material_ui/lib/src/floating_action_button.dart
@@ -35,7 +35,7 @@ enum _FloatingActionButtonType { regular, small, large, extended }
 /// to promote a primary action in the application. Floating action buttons are
 /// most commonly used in the [Scaffold.floatingActionButton] field.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=2uaoEDOgk_I}
+/// Learn more about [FloatingActionButton] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=2uaoEDOgk_I).
 ///
 /// Use at most a single floating action button per screen. Floating action
 /// buttons should be used for positive actions such as "create", "share", or
diff --git a/packages/material_ui/lib/src/l10n/generated_material_localizations.dart b/packages/material_ui/lib/src/l10n/generated_material_localizations.dart
index 486a664dd357..8e27c5de9483 100644
--- a/packages/material_ui/lib/src/l10n/generated_material_localizations.dart
+++ b/packages/material_ui/lib/src/l10n/generated_material_localizations.dart
@@ -6,6 +6,9 @@
 // To regenerate the file, use:
 // dart script/l10n/bin/gen_localizations.dart --overwrite
 
+/// @docImport 'package:intl/intl.dart';
+library;
+
 import 'dart:collection';
 
 import 'package:flutter/widgets.dart';
diff --git a/packages/material_ui/lib/src/list_tile.dart b/packages/material_ui/lib/src/list_tile.dart
index feb865a14dc6..6a8b793d5484 100644
--- a/packages/material_ui/lib/src/list_tile.dart
+++ b/packages/material_ui/lib/src/list_tile.dart
@@ -168,7 +168,7 @@ enum ListTileTitleAlignment {
 /// A single fixed-height row that typically contains some text as well as
 /// a leading or trailing icon.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=l8dj0yPBvgQ}
+/// Learn more about [ListTile] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=l8dj0yPBvgQ).
 ///
 /// A list tile contains one to three lines of text optionally flanked by icons or
 /// other widgets, such as check boxes. The icons (or other widgets) for the
diff --git a/packages/material_ui/lib/src/material_state.dart b/packages/material_ui/lib/src/material_state.dart
index 5aeddc268f1b..65bfc7893172 100644
--- a/packages/material_ui/lib/src/material_state.dart
+++ b/packages/material_ui/lib/src/material_state.dart
@@ -532,7 +532,7 @@ class _WidgetInputBorderMapper extends WidgetStateMapper<InputBorder>
 /// on a widget's interactive "state", which is defined as a set
 /// of [MaterialState]s.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=CylXr3AF3uU}
+/// Learn more about [WidgetStateProperty] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=CylXr3AF3uU).
 ///
 /// Material state properties represent values that depend on a widget's material
 /// "state". The state is encoded as a set of [MaterialState] values, like
diff --git a/packages/material_ui/lib/src/navigation_bar.dart b/packages/material_ui/lib/src/navigation_bar.dart
index c9fdcba176c6..7e159f5da665 100644
--- a/packages/material_ui/lib/src/navigation_bar.dart
+++ b/packages/material_ui/lib/src/navigation_bar.dart
@@ -36,7 +36,7 @@ const double _kMaxLabelTextScaleFactor = 1.3;
 
 /// Material 3 Navigation Bar component.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=DVGYddFaLv0}
+/// Learn more about [NavigationBar] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=DVGYddFaLv0).
 ///
 /// Navigation bars offer a persistent and convenient way to switch between
 /// primary destinations in an app.
@@ -250,7 +250,7 @@ class NavigationBar extends StatelessWidget {
   /// the [NavigationDestination] is focused, hovered, or pressed.
   final WidgetStateProperty<Color?>? overlayColor;
 
-  //// The text style of the label.
+  /// The text style of the label.
   ///
   /// If null, [NavigationBarThemeData.labelTextStyle] is used. If that
   /// is also null, the default text style is [TextTheme.labelMedium] with
diff --git a/packages/material_ui/lib/src/navigation_rail.dart b/packages/material_ui/lib/src/navigation_rail.dart
index e7143969f14a..7dda2c4291e5 100644
--- a/packages/material_ui/lib/src/navigation_rail.dart
+++ b/packages/material_ui/lib/src/navigation_rail.dart
@@ -28,7 +28,7 @@ const double _kIndicatorHeight = 32;
 /// app to navigate between a small number of views, typically between three and
 /// five.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=y9xchtVTtqQ}
+/// Learn more about [NavigationRail] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=y9xchtVTtqQ).
 ///
 /// The navigation rail is meant for layouts with wide viewports, such as a
 /// desktop web or tablet landscape layout. For smaller layouts, like mobile
diff --git a/packages/material_ui/lib/src/progress_indicator.dart b/packages/material_ui/lib/src/progress_indicator.dart
index 107d9ef40c26..b1e25183aab2 100644
--- a/packages/material_ui/lib/src/progress_indicator.dart
+++ b/packages/material_ui/lib/src/progress_indicator.dart
@@ -364,7 +364,7 @@ class _LinearProgressIndicatorPainter extends CustomPainter {
 
 /// A Material Design linear progress indicator, also known as a progress bar.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=O-rhXZLtpv0}
+/// Learn more about [LinearProgressIndicator] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=O-rhXZLtpv0).
 ///
 /// A widget that shows progress along a line. There are two kinds of linear
 /// progress indicators:
@@ -798,7 +798,7 @@ class _CircularProgressIndicatorPainter extends CustomPainter {
 /// A Material Design circular progress indicator, which spins to indicate that
 /// the application is busy.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=O-rhXZLtpv0}
+/// Learn more about [CircularProgressIndicator] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=O-rhXZLtpv0).
 ///
 /// A widget that shows progress along a circle. There are two kinds of circular
 /// progress indicators:
diff --git a/packages/material_ui/lib/src/range_slider.dart b/packages/material_ui/lib/src/range_slider.dart
index 19cb3a008856..19cbff16ba8d 100644
--- a/packages/material_ui/lib/src/range_slider.dart
+++ b/packages/material_ui/lib/src/range_slider.dart
@@ -45,7 +45,7 @@ typedef PaintRangeValueIndicator = void Function(PaintingContext context, Offset
 ///
 /// Used to select a range from a range of values.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=ufb4gIPDmEs}
+/// Learn more about [RangeSlider] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=ufb4gIPDmEs).
 ///
 /// <callout-box>
 ///
diff --git a/packages/material_ui/lib/src/refresh_indicator.dart b/packages/material_ui/lib/src/refresh_indicator.dart
index 16bc4f8d91aa..236e17916de3 100644
--- a/packages/material_ui/lib/src/refresh_indicator.dart
+++ b/packages/material_ui/lib/src/refresh_indicator.dart
@@ -76,7 +76,7 @@ enum _IndicatorType { material, adaptive, noSpinner }
 
 /// A widget that supports the Material "swipe to refresh" idiom.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=ORApMlzwMdM}
+/// Learn more about [RefreshIndicator] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=ORApMlzwMdM).
 ///
 /// When the child's [Scrollable] descendant overscrolls, an animated circular
 /// progress indicator is faded into view. When the scroll ends, if the
diff --git a/packages/material_ui/lib/src/reorderable_list.dart b/packages/material_ui/lib/src/reorderable_list.dart
index 430de8a9d3c5..ba1bd1bc1664 100644
--- a/packages/material_ui/lib/src/reorderable_list.dart
+++ b/packages/material_ui/lib/src/reorderable_list.dart
@@ -20,7 +20,7 @@ import 'theme.dart';
 
 /// A list whose items the user can interactively reorder by dragging.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=3fB1mxOsqJE}
+/// Learn more about [ReorderableListView] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=3fB1mxOsqJE).
 ///
 /// This sample shows by dragging the user can reorder the items of the list.
 /// The [onReorderItem] parameter will be called when a child
diff --git a/packages/material_ui/lib/src/scaffold.dart b/packages/material_ui/lib/src/scaffold.dart
index ab437e4bfafb..168fc5b7ab9f 100644
--- a/packages/material_ui/lib/src/scaffold.dart
+++ b/packages/material_ui/lib/src/scaffold.dart
@@ -78,7 +78,7 @@ enum _ScaffoldSlot {
 
 /// Manages [SnackBar]s and [MaterialBanner]s for descendant [Scaffold]s.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=lytQi-slT5Y}
+/// Learn more about [ScaffoldMessenger] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=lytQi-slT5Y).
 ///
 /// This class provides APIs for showing snack bars and material banners at the
 /// bottom and top of the screen, respectively.
diff --git a/packages/material_ui/lib/src/scrollbar.dart b/packages/material_ui/lib/src/scrollbar.dart
index e7e9ab1cb086..adc315e5c972 100644
--- a/packages/material_ui/lib/src/scrollbar.dart
+++ b/packages/material_ui/lib/src/scrollbar.dart
@@ -22,7 +22,7 @@ const Duration _kScrollbarTimeToFade = Duration(milliseconds: 600);
 /// To add a scrollbar to a [ScrollView], wrap the scroll view
 /// widget in a [Scrollbar] widget.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=DbkIQSvwnZc}
+/// Learn more about [Scrollbar] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=DbkIQSvwnZc).
 ///
 /// {@macro flutter.widgets.Scrollbar}
 ///
diff --git a/packages/material_ui/lib/src/selectable_text.dart b/packages/material_ui/lib/src/selectable_text.dart
index 45693e19ad22..171b9b83547e 100644
--- a/packages/material_ui/lib/src/selectable_text.dart
+++ b/packages/material_ui/lib/src/selectable_text.dart
@@ -84,7 +84,7 @@ class _SelectableTextSelectionGestureDetectorBuilder extends TextSelectionGestur
 /// The string might break across multiple lines or might all be displayed on
 /// the same line depending on the layout constraints.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=ZSU3ZXOs6hc}
+/// Learn more about [SelectableText] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=ZSU3ZXOs6hc).
 ///
 /// The [style] argument is optional. When omitted, the text will use the style
 /// from the closest enclosing [DefaultTextStyle]. If the given style's
diff --git a/packages/material_ui/lib/src/slider.dart b/packages/material_ui/lib/src/slider.dart
index c80231a5f301..f731c5a2b2e3 100644
--- a/packages/material_ui/lib/src/slider.dart
+++ b/packages/material_ui/lib/src/slider.dart
@@ -76,7 +76,7 @@ enum SliderInteraction {
 ///
 /// Used to select from a range of values.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=ufb4gIPDmEs}
+/// Learn more about [Slider] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=ufb4gIPDmEs).
 ///
 /// <callout-box>
 ///
diff --git a/packages/material_ui/lib/src/snack_bar.dart b/packages/material_ui/lib/src/snack_bar.dart
index 88b2e0fa8dfe..9a7180d86c63 100644
--- a/packages/material_ui/lib/src/snack_bar.dart
+++ b/packages/material_ui/lib/src/snack_bar.dart
@@ -217,7 +217,7 @@ class _SnackBarActionState extends State<SnackBarAction> {
 /// A lightweight message with an optional action which briefly displays at the
 /// bottom of the screen.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=zpO6n_oZWw0}
+/// Learn more about [SnackBar] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=zpO6n_oZWw0).
 ///
 /// To display a snack bar, call `ScaffoldMessenger.of(context).showSnackBar()`,
 /// passing an instance of [SnackBar] that describes the message.
diff --git a/packages/material_ui/lib/src/switch_list_tile.dart b/packages/material_ui/lib/src/switch_list_tile.dart
index cf856b86d237..98796db3c7c6 100644
--- a/packages/material_ui/lib/src/switch_list_tile.dart
+++ b/packages/material_ui/lib/src/switch_list_tile.dart
@@ -31,7 +31,7 @@ enum _SwitchListTileType { material, adaptive }
 
 /// A [ListTile] with a [Switch]. In other words, a switch with a label.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=0igIjvtEWNU}
+/// Learn more about [SwitchListTile] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=0igIjvtEWNU).
 ///
 /// The entire list tile is interactive: tapping anywhere in the tile toggles
 /// the switch. Tapping and dragging the [Switch] also triggers the [onChanged]
diff --git a/packages/material_ui/lib/src/tab_controller.dart b/packages/material_ui/lib/src/tab_controller.dart
index 8f691de5f748..8cd56d8fb18f 100644
--- a/packages/material_ui/lib/src/tab_controller.dart
+++ b/packages/material_ui/lib/src/tab_controller.dart
@@ -318,7 +318,7 @@ class _TabControllerScope extends InheritedWidget {
 /// The [TabController] for descendant widgets that don't specify one
 /// explicitly.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=POtoEH-5l40}
+/// Learn more about [DefaultTabController] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=POtoEH-5l40).
 ///
 /// [DefaultTabController] is an inherited widget that is used to share a
 /// [TabController] with a [TabBar] or a [TabBarView]. It's used when sharing an
diff --git a/packages/material_ui/lib/src/tabs.dart b/packages/material_ui/lib/src/tabs.dart
index 4e446ac37506..8a0d0789c06d 100644
--- a/packages/material_ui/lib/src/tabs.dart
+++ b/packages/material_ui/lib/src/tabs.dart
@@ -939,7 +939,7 @@ typedef TabValueChanged<T> = void Function(T value, int index);
 /// Typically created as the [AppBar.bottom] part of an [AppBar] and in
 /// conjunction with a [TabBarView].
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=POtoEH-5l40}
+/// Learn more about [TabBar] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=POtoEH-5l40).
 ///
 /// If a [TabController] is not provided, then a [DefaultTabController] ancestor
 /// must be provided instead. The tab controller's [TabController.length] must
@@ -2253,7 +2253,7 @@ class _TabBarState extends State<TabBar> {
 ///
 /// This widget is typically used in conjunction with a [TabBar].
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=POtoEH-5l40}
+/// Learn more about [TabBarView] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=POtoEH-5l40).
 ///
 /// If a [TabController] is not provided, then there must be a [DefaultTabController]
 /// ancestor.
@@ -2632,7 +2632,7 @@ class TabPageSelectorIndicator extends StatelessWidget {
 /// Uses [TabPageSelectorIndicator] to display a row of small circular
 /// indicators, one per tab.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=Q628ue9Cq7U}
+/// Learn more about [TabPageSelector] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=Q628ue9Cq7U).
 ///
 /// The selected tab's indicator is highlighted. Often used in conjunction with
 /// a [TabBarView].
diff --git a/packages/material_ui/lib/src/theme.dart b/packages/material_ui/lib/src/theme.dart
index b103f725904f..e322efd26178 100644
--- a/packages/material_ui/lib/src/theme.dart
+++ b/packages/material_ui/lib/src/theme.dart
@@ -23,7 +23,7 @@ const Duration kThemeAnimationDuration = Duration(milliseconds: 200);
 ///
 /// A theme describes the colors and typographic choices of an application.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=oTvQDJOBXmM}
+/// Learn more about [Theme] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=oTvQDJOBXmM).
 ///
 /// Descendant widgets obtain the current theme's [ThemeData] object using
 /// [Theme.of]. When a widget uses [Theme.of], it is automatically rebuilt if
diff --git a/packages/material_ui/lib/src/theme_data.dart b/packages/material_ui/lib/src/theme_data.dart
index 9520dde92bf0..9835f202f047 100644
--- a/packages/material_ui/lib/src/theme_data.dart
+++ b/packages/material_ui/lib/src/theme_data.dart
@@ -121,7 +121,7 @@ class Adaptation<T> {
 
 /// An interface that defines custom additions to a [ThemeData] object.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=8-szcYzFVao}
+/// Learn more about [ThemeExtension] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=8-szcYzFVao).
 ///
 /// Typically used for custom colors. To use, subclass [ThemeExtension],
 /// define a number of fields (e.g. [Color]s), and implement the [copyWith] and
diff --git a/packages/material_ui/lib/src/toggle_buttons.dart b/packages/material_ui/lib/src/toggle_buttons.dart
index b4fa2db9597d..4ad23f3c03ec 100644
--- a/packages/material_ui/lib/src/toggle_buttons.dart
+++ b/packages/material_ui/lib/src/toggle_buttons.dart
@@ -39,7 +39,7 @@ import 'toggle_buttons_theme.dart';
 /// that's preferred for applications that are configured for Material 3
 /// (see [ThemeData.useMaterial3]).
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=kVEguaQWGAY}
+/// Learn more about [ToggleButtons] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=kVEguaQWGAY).
 ///
 /// ## Updating to [SegmentedButton]
 ///
diff --git a/packages/material_ui/lib/src/tooltip.dart b/packages/material_ui/lib/src/tooltip.dart
index 5db7d55caea8..95aa81b930e0 100644
--- a/packages/material_ui/lib/src/tooltip.dart
+++ b/packages/material_ui/lib/src/tooltip.dart
@@ -35,7 +35,7 @@ import 'tooltip_visibility.dart';
 /// representation of the widget, which, for example, can be vocalized by a
 /// screen reader.
 ///
-/// {@youtube 560 315 https://www.youtube.com/watch?v=EeEfD5fI-5Q}
+/// Learn more about [Tooltip] on the [Flutter YouTube channel](https://www.youtube.com/watch?v=EeEfD5fI-5Q).
 ///
 /// <callout-box>
 ///
diff --git a/script/l10n/bin/gen_localizations.dart b/script/l10n/bin/gen_localizations.dart
index 40aeb93d7339..ec1426d6aea9 100644
--- a/script/l10n/bin/gen_localizations.dart
+++ b/script/l10n/bin/gen_localizations.dart
@@ -84,9 +84,7 @@ String generateArbBasedLocalizationSubclasses({
   assert(supportedLanguagesDocMacro.isNotEmpty);
   generateConstructorForCountrySubClass ??= generateConstructor;
   final output = StringBuffer();
-  output.writeln(
-    generateHeader('dart script/l10n/bin/gen_localizations.dart --overwrite'),
-  );
+  output.writeln(generateHeader('dart script/l10n/bin/gen_localizations.dart --overwrite'));
 
   final supportedLocales = StringBuffer();
 
diff --git a/script/l10n/lib/gen_cupertino_localizations.dart b/script/l10n/lib/gen_cupertino_localizations.dart
index 38f8d94d79e6..ed861d1027d3 100644
--- a/script/l10n/lib/gen_cupertino_localizations.dart
+++ b/script/l10n/lib/gen_cupertino_localizations.dart
@@ -14,6 +14,9 @@ String generateCupertinoHeader(String regenerateInstructions) {
 // To regenerate the file, use:
 // $regenerateInstructions
 
+/// @docImport 'package:intl/intl.dart';
+library;
+
 import 'dart:collection';
 
 import 'package:flutter/widgets.dart';
diff --git a/script/l10n/lib/gen_material_localizations.dart b/script/l10n/lib/gen_material_localizations.dart
index 1482dcfa6154..02a74eac09b3 100644
--- a/script/l10n/lib/gen_material_localizations.dart
+++ b/script/l10n/lib/gen_material_localizations.dart
@@ -14,6 +14,9 @@ String generateMaterialHeader(String regenerateInstructions) {
 // To regenerate the file, use:
 // $regenerateInstructions
 
+/// @docImport 'package:intl/intl.dart';
+library;
+
 import 'dart:collection';
 
 import 'package:flutter/widgets.dart';