diff --git a/lib/src/dom.dart b/lib/src/dom.dart
index 80d20cf5..f4cbf40c 100644
--- a/lib/src/dom.dart
+++ b/lib/src/dom.dart
@@ -5,6 +5,7 @@
 export 'dom/accelerometer.dart';
 export 'dom/angle_instanced_arrays.dart';
 export 'dom/attribution_reporting_api.dart';
+export 'dom/background_sync.dart';
 export 'dom/battery_status.dart';
 export 'dom/clipboard_apis.dart';
 export 'dom/compression.dart';
@@ -15,8 +16,10 @@ export 'dom/csp.dart';
 export 'dom/css_animations.dart';
 export 'dom/css_animations_2.dart';
 export 'dom/css_cascade.dart';
+export 'dom/css_cascade_6.dart';
 export 'dom/css_conditional.dart';
-export 'dom/css_contain_3.dart';
+export 'dom/css_conditional_5.dart';
+export 'dom/css_contain.dart';
 export 'dom/css_counter_styles.dart';
 export 'dom/css_font_loading.dart';
 export 'dom/css_fonts.dart';
@@ -27,8 +30,11 @@ export 'dom/css_properties_values_api.dart';
 export 'dom/css_transitions.dart';
 export 'dom/css_transitions_2.dart';
 export 'dom/css_typed_om.dart';
+export 'dom/css_view_transitions.dart';
+export 'dom/css_view_transitions_2.dart';
 export 'dom/cssom.dart';
 export 'dom/cssom_view.dart';
+export 'dom/digital_identities.dart';
 export 'dom/dom.dart';
 export 'dom/dom_parsing.dart';
 export 'dom/encoding.dart';
@@ -73,10 +79,12 @@ export 'dom/media_playback_quality.dart';
 export 'dom/media_source.dart';
 export 'dom/mediacapture_fromelement.dart';
 export 'dom/mediacapture_streams.dart';
+export 'dom/mediacapture_transform.dart';
 export 'dom/mediasession.dart';
 export 'dom/mediastream_recording.dart';
 export 'dom/mst_content_hint.dart';
 export 'dom/navigation_timing.dart';
+export 'dom/netinfo.dart';
 export 'dom/notifications.dart';
 export 'dom/oes_draw_buffers_indexed.dart';
 export 'dom/oes_element_index_uint.dart';
@@ -96,6 +104,7 @@ export 'dom/performance_timeline.dart';
 export 'dom/permissions.dart';
 export 'dom/picture_in_picture.dart';
 export 'dom/pointerevents.dart';
+export 'dom/pointerlock.dart';
 export 'dom/private_network_access.dart';
 export 'dom/push_api.dart';
 export 'dom/referrer_policy.dart';
@@ -104,6 +113,8 @@ export 'dom/reporting.dart';
 export 'dom/requestidlecallback.dart';
 export 'dom/resize_observer.dart';
 export 'dom/resource_timing.dart';
+export 'dom/saa_non_cookie_storage.dart';
+export 'dom/sanitizer_api.dart';
 export 'dom/scheduling_apis.dart';
 export 'dom/screen_capture.dart';
 export 'dom/screen_orientation.dart';
diff --git a/lib/src/dom/background_sync.dart b/lib/src/dom/background_sync.dart
new file mode 100644
index 00000000..eb9f2b88
--- /dev/null
+++ b/lib/src/dom/background_sync.dart
@@ -0,0 +1,89 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+import 'service_workers.dart';
+
+/// The **`SyncManager`** interface of the [Background Synchronization API]
+/// provides an interface for registering and listing sync registrations.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/SyncManager).
+extension type SyncManager._(JSObject _) implements JSObject {
+  /// The **`register()`** method of the [SyncManager] interface registers a
+  /// synchronization event, triggering a [ServiceWorkerGlobalScope.sync_event]
+  /// event inside the associated service worker as soon as network connectivity
+  /// is available.
+  external JSPromise<JSAny?> register(String tag);
+
+  /// The **`getTags()`** method of the
+  /// [SyncManager] interface returns a list of developer-defined identifiers
+  /// for
+  /// `SyncManager` registrations.
+  external JSPromise<JSArray<JSString>> getTags();
+}
+
+/// @AvailableInWorkers("service")
+///
+/// The **`SyncEvent`** interface of the [Background Synchronization API]
+/// represents a sync action that is dispatched on the
+/// [ServiceWorkerGlobalScope] of a ServiceWorker.
+///
+/// This interface inherits from the [ExtendableEvent] interface.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/SyncEvent).
+extension type SyncEvent._(JSObject _) implements ExtendableEvent, JSObject {
+  external factory SyncEvent(
+    String type,
+    SyncEventInit init,
+  );
+
+  /// @AvailableInWorkers("service")
+  ///
+  /// The **`tag`** read-only property of the
+  /// [SyncEvent] interface returns the developer-defined identifier for
+  /// this `SyncEvent`. This is the value passed in the `tag` parameter
+  /// of the [SyncEvent.SyncEvent] constructor.
+  external String get tag;
+
+  /// @AvailableInWorkers("service")
+  ///
+  /// The **`lastChance`** read-only property of the
+  /// [SyncEvent] interface returns `true` if the user agent will not
+  /// make further synchronization attempts after the current attempt. This is
+  /// the value
+  /// passed in the `lastChance` parameter of the
+  /// [SyncEvent.SyncEvent] constructor.
+  external bool get lastChance;
+}
+extension type SyncEventInit._(JSObject _)
+    implements ExtendableEventInit, JSObject {
+  external factory SyncEventInit({
+    bool bubbles,
+    bool cancelable,
+    bool composed,
+    required String tag,
+    bool lastChance,
+  });
+
+  external String get tag;
+  external set tag(String value);
+  external bool get lastChance;
+  external set lastChance(bool value);
+}
diff --git a/lib/src/dom/clipboard_apis.dart b/lib/src/dom/clipboard_apis.dart
index 2f3e20c4..2ad520a0 100644
--- a/lib/src/dom/clipboard_apis.dart
+++ b/lib/src/dom/clipboard_apis.dart
@@ -83,6 +83,8 @@ extension type ClipboardItem._(JSObject _) implements JSObject {
     ClipboardItemOptions options,
   ]);
 
+  external static bool supports(String type);
+
   /// The **`getType()`** method of the [ClipboardItem] interface returns a
   /// `Promise` that resolves with a [Blob] of the requested  or an error if the
   /// MIME type is not found.
diff --git a/lib/src/dom/credential_management.dart b/lib/src/dom/credential_management.dart
index 0156b43f..884db23c 100644
--- a/lib/src/dom/credential_management.dart
+++ b/lib/src/dom/credential_management.dart
@@ -13,6 +13,7 @@ library;
 
 import 'dart:js_interop';
 
+import 'digital_identities.dart';
 import 'dom.dart';
 import 'fedcm.dart';
 import 'web_otp.dart';
@@ -147,6 +148,7 @@ extension type CredentialRequestOptions._(JSObject _) implements JSObject {
     IdentityCredentialRequestOptions identity,
     bool password,
     FederatedCredentialRequestOptions federated,
+    DigitalCredentialRequestOptions digital,
     OTPCredentialRequestOptions otp,
     PublicKeyCredentialRequestOptions publicKey,
   });
@@ -161,6 +163,8 @@ extension type CredentialRequestOptions._(JSObject _) implements JSObject {
   external set password(bool value);
   external FederatedCredentialRequestOptions get federated;
   external set federated(FederatedCredentialRequestOptions value);
+  external DigitalCredentialRequestOptions get digital;
+  external set digital(DigitalCredentialRequestOptions value);
   external OTPCredentialRequestOptions get otp;
   external set otp(OTPCredentialRequestOptions value);
   external PublicKeyCredentialRequestOptions get publicKey;
@@ -168,12 +172,15 @@ extension type CredentialRequestOptions._(JSObject _) implements JSObject {
 }
 extension type CredentialCreationOptions._(JSObject _) implements JSObject {
   external factory CredentialCreationOptions({
+    CredentialMediationRequirement mediation,
     AbortSignal signal,
     PasswordCredentialInit password,
     FederatedCredentialInit federated,
     PublicKeyCredentialCreationOptions publicKey,
   });
 
+  external CredentialMediationRequirement get mediation;
+  external set mediation(CredentialMediationRequirement value);
   external AbortSignal get signal;
   external set signal(AbortSignal value);
   external PasswordCredentialInit get password;
diff --git a/lib/src/dom/csp.dart b/lib/src/dom/csp.dart
index b7a6240a..18fa3064 100644
--- a/lib/src/dom/csp.dart
+++ b/lib/src/dom/csp.dart
@@ -138,16 +138,16 @@ extension type SecurityPolicyViolationEventInit._(JSObject _)
     bool bubbles,
     bool cancelable,
     bool composed,
-    required String documentURI,
+    String documentURI,
     String referrer,
     String blockedURI,
-    required String violatedDirective,
-    required String effectiveDirective,
-    required String originalPolicy,
+    String violatedDirective,
+    String effectiveDirective,
+    String originalPolicy,
     String sourceFile,
     String sample,
-    required SecurityPolicyViolationEventDisposition disposition,
-    required int statusCode,
+    SecurityPolicyViolationEventDisposition disposition,
+    int statusCode,
     int lineNumber,
     int columnNumber,
   });
diff --git a/lib/src/dom/css_animations.dart b/lib/src/dom/css_animations.dart
index 620cb4ae..7186f2c5 100644
--- a/lib/src/dom/css_animations.dart
+++ b/lib/src/dom/css_animations.dart
@@ -91,7 +91,7 @@ extension type CSSKeyframeRule._(JSObject _) implements CSSRule, JSObject {
   /// [CSSStyleDeclaration] interface for the
   /// [declaration block](https://www.w3.org/TR/1998/REC-CSS2-19980512/syndata.html#block)
   /// of the [CSSKeyframeRule].
-  external CSSStyleDeclaration get style;
+  external JSObject get style;
 }
 
 /// The **`CSSKeyframesRule`** interface describes an object representing a
diff --git a/lib/src/dom/css_cascade_6.dart b/lib/src/dom/css_cascade_6.dart
new file mode 100644
index 00000000..82493ded
--- /dev/null
+++ b/lib/src/dom/css_cascade_6.dart
@@ -0,0 +1,34 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+import 'cssom.dart';
+
+/// The **`CSSScopeRule`** interface of the
+/// [CSS Object Model](https://developer.mozilla.org/en-US/docs/Web/API/CSS_Object_Model)
+/// represents a CSS  at-rule.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/CSSScopeRule).
+extension type CSSScopeRule._(JSObject _) implements CSSGroupingRule, JSObject {
+  /// The **`start`** property of the [CSSScopeRule] interface returns a string
+  /// containing the value of the `@scope` at-rule's scope root.
+  external String? get start;
+
+  /// The **`end`** property of the [CSSScopeRule] interface returns a string
+  /// containing the value of the `@scope` at-rule's scope limit.
+  external String? get end;
+}
diff --git a/lib/src/dom/css_contain_3.dart b/lib/src/dom/css_conditional_5.dart
similarity index 100%
rename from lib/src/dom/css_contain_3.dart
rename to lib/src/dom/css_conditional_5.dart
diff --git a/lib/src/dom/css_contain.dart b/lib/src/dom/css_contain.dart
new file mode 100644
index 00000000..cc67070c
--- /dev/null
+++ b/lib/src/dom/css_contain.dart
@@ -0,0 +1,65 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+import 'dom.dart';
+
+/// The **`ContentVisibilityAutoStateChangeEvent`** interface is the event
+/// object for the [element.contentvisibilityautostatechange_event] event, which
+/// fires on any element with  set on it when it starts or stops being
+/// [relevant to the user](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_containment#relevant_to_the_user)
+/// and
+/// [skipping its contents](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_containment#skips_its_contents).
+///
+/// While the element is not relevant (between the start and end events), the
+/// user agent skips an element's rendering, including layout and painting.
+/// This can significantly improve page rendering speed.
+/// The [element.contentvisibilityautostatechange_event] event provides a way
+/// for an app's code to also start or stop rendering processes (e.g. drawing on
+/// a `canvas`) when they are not needed, thereby conserving processing power.
+///
+/// Note that even when hidden from view, element contents will remain
+/// semantically relevant (e.g. to assistive technology users), so this signal
+/// should not be used to skip significant semantic DOM updates.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/ContentVisibilityAutoStateChangeEvent).
+extension type ContentVisibilityAutoStateChangeEvent._(JSObject _)
+    implements Event, JSObject {
+  external factory ContentVisibilityAutoStateChangeEvent(
+    String type, [
+    ContentVisibilityAutoStateChangeEventInit eventInitDict,
+  ]);
+
+  /// The `skipped` read-only property of the
+  /// [ContentVisibilityAutoStateChangeEvent] interface returns `true` if the
+  /// user agent [skips the element's
+  /// contents](/en-US/docs/Web/CSS/CSS_containment#skips_its_contents), or
+  /// `false` otherwise.
+  external bool get skipped;
+}
+extension type ContentVisibilityAutoStateChangeEventInit._(JSObject _)
+    implements EventInit, JSObject {
+  external factory ContentVisibilityAutoStateChangeEventInit({
+    bool bubbles,
+    bool cancelable,
+    bool composed,
+    bool skipped,
+  });
+
+  external bool get skipped;
+  external set skipped(bool value);
+}
diff --git a/lib/src/dom/css_fonts.dart b/lib/src/dom/css_fonts.dart
index 0482332d..e4b8636e 100644
--- a/lib/src/dom/css_fonts.dart
+++ b/lib/src/dom/css_fonts.dart
@@ -27,7 +27,7 @@ extension type CSSFontFaceRule._(JSObject _) implements CSSRule, JSObject {
   /// returns the style information from the
   /// [at-rule](https://developer.mozilla.org/en-US/docs/Web/CSS/At-rule). This
   /// will be in the form of a [CSSStyleDeclaration] object.
-  external CSSStyleDeclaration get style;
+  external JSObject get style;
 }
 
 /// The **`CSSFontFeatureValuesRule`** interface represents an
diff --git a/lib/src/dom/css_transitions_2.dart b/lib/src/dom/css_transitions_2.dart
index b419132c..43abb4d2 100644
--- a/lib/src/dom/css_transitions_2.dart
+++ b/lib/src/dom/css_transitions_2.dart
@@ -13,8 +13,20 @@ library;
 
 import 'dart:js_interop';
 
+import 'cssom.dart';
 import 'web_animations.dart';
 
+/// The **`CSSStartingStyleRule`** interface of the
+/// [CSS Object Model](https://developer.mozilla.org/en-US/docs/Web/API/CSS_Object_Model)
+/// represents a CSS  at-rule.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/CSSStartingStyleRule).
+extension type CSSStartingStyleRule._(JSObject _)
+    implements CSSGroupingRule, JSObject {}
+
 /// The **`CSSTransition`** interface of the [Web Animations API] represents an
 /// [Animation] object used for a
 /// [CSS Transition](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_transitions).
diff --git a/lib/src/dom/css_view_transitions.dart b/lib/src/dom/css_view_transitions.dart
new file mode 100644
index 00000000..19ffa14d
--- /dev/null
+++ b/lib/src/dom/css_view_transitions.dart
@@ -0,0 +1,73 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+typedef UpdateCallback = JSFunction;
+
+/// The **`ViewTransition`** interface of the [View Transitions API] represents
+/// a view transition, and provides functionality to react to the transition
+/// reaching different states (e.g. ready to run the animation, or animation
+/// finished) or skip the transition altogether.
+///
+/// This object type is returned by the [Document.startViewTransition] method.
+/// When `startViewTransition()` is invoked, a sequence of steps is followed as
+/// explained in
+/// [The view transition process](https://developer.mozilla.org/en-US/docs/Web/API/View_Transitions_API#the_view_transition_process).
+/// This also explains when the different promises fulfill.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/ViewTransition).
+extension type ViewTransition._(JSObject _) implements JSObject {
+  /// The **`skipTransition()`** method of the
+  /// [ViewTransition] interface skips the animation part of the view
+  /// transition, but doesn't skip running the [Document.startViewTransition]
+  /// callback that updates the DOM.
+  external void skipTransition();
+
+  /// The **`updateCallbackDone`** read-only property of the
+  /// [ViewTransition] interface is a `Promise` that fulfills when the promise
+  /// returned by the [Document.startViewTransition]'s callback fulfills, or
+  /// rejects when it rejects.
+  ///
+  /// `updateCallbackDone` is useful when you don't care about the
+  /// success/failure of the transition animation, and just want to know if and
+  /// when the DOM is updated.
+  external JSPromise<JSAny?> get updateCallbackDone;
+
+  /// The **`ready`** read-only property of the
+  /// [ViewTransition] interface is a `Promise` that fulfills once the
+  /// pseudo-element tree is created and the transition animation is about to
+  /// start.
+  ///
+  /// `ready` will reject if the transition cannot begin. This can be due to
+  /// misconfiguration, for example duplicate s, or if the callback passed to
+  /// [Document.startViewTransition] throws or returns a promise that rejects.
+  external JSPromise<JSAny?> get ready;
+
+  /// The **`finished`** read-only property of the
+  /// [ViewTransition] interface is a `Promise` that fulfills once the
+  /// transition animation is finished, and the new page view is visible and
+  /// interactive to the user.
+  ///
+  /// `finished` only rejects if the callback passed to
+  /// [Document.startViewTransition]throws or returns a promise that rejects,
+  /// which indicates that the new state of the page wasn't created.
+  ///
+  /// If a transition animation fails to start, or is skipped during the
+  /// animation using [ViewTransition.skipTransition], the end state is still
+  /// reached therefore `finished` still fulfills.
+  external JSPromise<JSAny?> get finished;
+}
diff --git a/lib/src/dom/css_view_transitions_2.dart b/lib/src/dom/css_view_transitions_2.dart
new file mode 100644
index 00000000..ea8511b5
--- /dev/null
+++ b/lib/src/dom/css_view_transitions_2.dart
@@ -0,0 +1,28 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+import 'css_view_transitions.dart';
+
+extension type StartViewTransitionOptions._(JSObject _) implements JSObject {
+  external factory StartViewTransitionOptions({
+    UpdateCallback? update,
+    JSArray<JSString>? types,
+  });
+
+  external UpdateCallback? get update;
+  external set update(UpdateCallback? value);
+  external JSArray<JSString>? get types;
+  external set types(JSArray<JSString>? value);
+}
diff --git a/lib/src/dom/cssom.dart b/lib/src/dom/cssom.dart
index d68c3e5d..98cf3037 100644
--- a/lib/src/dom/cssom.dart
+++ b/lib/src/dom/cssom.dart
@@ -435,7 +435,7 @@ extension type CSSStyleRule._(JSObject _) implements CSSGroupingRule, JSObject {
   /// for the
   /// [declaration block](https://www.w3.org/TR/1998/REC-CSS2-19980512/syndata.html#block)
   /// of the [CSSStyleRule].
-  external CSSStyleDeclaration get style;
+  external JSObject get style;
 }
 
 /// The **`CSSImportRule`** interface represents an
@@ -534,7 +534,7 @@ extension type CSSPageRule._(JSObject _) implements CSSGroupingRule, JSObject {
   /// [CSS declaration block](https://developer.mozilla.org/en-US/docs/Web/API/CSS_Object_Model/CSS_Declaration_Block),
   /// and exposes style information and various style-related methods and
   /// properties.
-  external CSSStyleDeclaration get style;
+  external JSObject get style;
 }
 
 /// The **`CSSNamespaceRule`** interface describes an object representing a
@@ -626,16 +626,6 @@ extension type CSSStyleDeclaration._(JSObject _) implements JSObject {
   /// block, e.g. a [CSSStyleRule] representing the style for a CSS
   /// selector.
   external CSSRule? get parentRule;
-
-  /// The **`cssFloat`** property of the [CSSStyleDeclaration] interface returns
-  /// the result of invoking [CSSStyleDeclaration.getPropertyValue] with `float`
-  /// as an argument.
-  ///
-  /// When setting, it invokes [CSSStyleDeclaration.setProperty] with `float` as
-  /// the first argument, and the given value as the second argument. The given
-  /// value must be a valid value for the `float` property.
-  external String get cssFloat;
-  external set cssFloat(String value);
   external String get accentColor;
   external set accentColor(String value);
   external String get alignContent;
@@ -648,10 +638,10 @@ extension type CSSStyleDeclaration._(JSObject _) implements JSObject {
   external set alignmentBaseline(String value);
   external String get all;
   external set all(String value);
-  external String get anchorDefault;
-  external set anchorDefault(String value);
   external String get anchorName;
   external set anchorName(String value);
+  external String get anchorScope;
+  external set anchorScope(String value);
   external String get animation;
   external set animation(String value);
   external String get animationComposition;
@@ -924,6 +914,8 @@ extension type CSSStyleDeclaration._(JSObject _) implements JSObject {
   external set captionSide(String value);
   external String get caret;
   external set caret(String value);
+  external String get caretAnimation;
+  external set caretAnimation(String value);
   external String get caretColor;
   external set caretColor(String value);
   external String get caretShape;
@@ -1024,6 +1016,8 @@ extension type CSSStyleDeclaration._(JSObject _) implements JSObject {
   external set display(String value);
   external String get dominantBaseline;
   external set dominantBaseline(String value);
+  external String get dynamicRangeLimit;
+  external set dynamicRangeLimit(String value);
   external String get emptyCells;
   external set emptyCells(String value);
   external String get fieldSizing;
@@ -1238,8 +1232,6 @@ extension type CSSStyleDeclaration._(JSObject _) implements JSObject {
   external set justifyItems(String value);
   external String get justifySelf;
   external set justifySelf(String value);
-  external String get layoutOrder;
-  external set layoutOrder(String value);
   external String get left;
   external set left(String value);
   external String get letterSpacing;
@@ -1512,22 +1504,24 @@ extension type CSSStyleDeclaration._(JSObject _) implements JSObject {
   external set pointerEvents(String value);
   external String get position;
   external set position(String value);
-  external String get positionFallbackBounds;
-  external set positionFallbackBounds(String value);
-  external String get positionTryFinal;
-  external set positionTryFinal(String value);
+  external String get positionAnchor;
+  external set positionAnchor(String value);
+  external String get positionTry;
+  external set positionTry(String value);
   external String get positionTryOptions;
   external set positionTryOptions(String value);
   external String get positionTryOrder;
   external set positionTryOrder(String value);
+  external String get positionVisibility;
+  external set positionVisibility(String value);
   external String get printColorAdjust;
   external set printColorAdjust(String value);
   external String get quotes;
   external set quotes(String value);
   external String get r;
   external set r(String value);
-  external String get readingOrder;
-  external set readingOrder(String value);
+  external String get readingFlow;
+  external set readingFlow(String value);
   external String get regionFragment;
   external set regionFragment(String value);
   external String get resize;
@@ -1842,6 +1836,8 @@ extension type CSSStyleDeclaration._(JSObject _) implements JSObject {
   external set viewTimelineInset(String value);
   external String get viewTimelineName;
   external set viewTimelineName(String value);
+  external String get viewTransitionClass;
+  external set viewTransitionClass(String value);
   external String get viewTransitionName;
   external set viewTransitionName(String value);
   external String get visibility;
diff --git a/lib/src/dom/cssom_view.dart b/lib/src/dom/cssom_view.dart
index 5d9ad5a8..56faaabd 100644
--- a/lib/src/dom/cssom_view.dart
+++ b/lib/src/dom/cssom_view.dart
@@ -191,6 +191,13 @@ extension type Screen._(JSObject _) implements JSObject {
   /// [Screen] interface returns the current orientation of the screen.
   external ScreenOrientation get orientation;
 }
+extension type CaretPositionFromPointOptions._(JSObject _) implements JSObject {
+  external factory CaretPositionFromPointOptions(
+      {JSArray<ShadowRoot> shadowRoots});
+
+  external JSArray<ShadowRoot> get shadowRoots;
+  external set shadowRoots(JSArray<ShadowRoot> value);
+}
 extension type ScrollIntoViewOptions._(JSObject _)
     implements ScrollOptions, JSObject {
   external factory ScrollIntoViewOptions({
diff --git a/lib/src/dom/digital_identities.dart b/lib/src/dom/digital_identities.dart
new file mode 100644
index 00000000..bcc6f856
--- /dev/null
+++ b/lib/src/dom/digital_identities.dart
@@ -0,0 +1,34 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+extension type DigitalCredentialRequestOptions._(JSObject _)
+    implements JSObject {
+  external factory DigitalCredentialRequestOptions(
+      {JSArray<IdentityRequestProvider> providers});
+
+  external JSArray<IdentityRequestProvider> get providers;
+  external set providers(JSArray<IdentityRequestProvider> value);
+}
+extension type IdentityRequestProvider._(JSObject _) implements JSObject {
+  external factory IdentityRequestProvider({
+    required String protocol,
+    required JSObject request,
+  });
+
+  external String get protocol;
+  external set protocol(String value);
+  external JSObject get request;
+  external set request(JSObject value);
+}
diff --git a/lib/src/dom/dom.dart b/lib/src/dom/dom.dart
index a7fdef5a..082543f8 100644
--- a/lib/src/dom/dom.dart
+++ b/lib/src/dom/dom.dart
@@ -15,11 +15,13 @@ import 'dart:js_interop';
 
 import 'css_font_loading.dart';
 import 'css_typed_om.dart';
+import 'css_view_transitions.dart';
 import 'cssom.dart';
 import 'cssom_view.dart';
 import 'fullscreen.dart';
 import 'geometry.dart';
 import 'html.dart';
+import 'pointerlock.dart';
 import 'selection_api.dart';
 import 'svg.dart';
 import 'web_animations.dart';
@@ -1245,6 +1247,17 @@ external Document get document;
 extension type Document._(JSObject _) implements Node, JSObject {
   external factory Document();
 
+  external static Document parseHTMLUnsafe(JSAny html);
+
+  /// The **`startViewTransition()`** method of the [Document] interface starts
+  /// a new view transition and returns a [ViewTransition] object to represent
+  /// it.
+  ///
+  /// When `startViewTransition()` is invoked, a sequence of steps is followed
+  /// as explained in
+  /// [The view transition process](https://developer.mozilla.org/en-US/docs/Web/API/View_Transitions_API#the_view_transition_process).
+  external ViewTransition startViewTransition([JSObject callbackOptions]);
+
   /// The **`elementFromPoint()`**
   /// method, available on the [Document] object, returns the topmost [Element]
   /// at the specified coordinates
@@ -1295,8 +1308,9 @@ extension type Document._(JSObject _) implements Node, JSObject {
   /// caret's character offset within that node.
   external JSObject? caretPositionFromPoint(
     num x,
-    num y,
-  );
+    num y, [
+    CaretPositionFromPointOptions options,
+  ]);
 
   /// The **`getElementsByTagName`** method of
   /// [Document] interface returns an
@@ -1522,7 +1536,7 @@ extension type Document._(JSObject _) implements Node, JSObject {
   /// > calling `document.write()` on a closed (loaded) document automatically
   /// > calls `document.open()`,
   /// > [which will clear the document](https://developer.mozilla.org/en-US/docs/Web/API/Document/open#notes).
-  external void write(String text);
+  external void write(JSAny text);
 
   /// > **Warning:** Use of the `document.writeln()` method is strongly
   /// > discouraged.
@@ -1549,7 +1563,7 @@ extension type Document._(JSObject _) implements Node, JSObject {
   /// > any existing code that is still using it.
   ///
   /// Writes a string of text followed by a newline character to a document.
-  external void writeln(String text);
+  external void writeln(JSAny text);
 
   /// The **`hasFocus()`** method of the [Document] interface returns a boolean
   /// value indicating whether the document or any element inside the document
@@ -1628,6 +1642,19 @@ extension type Document._(JSObject _) implements Node, JSObject {
   /// [Document.pointerlockerror_event] events.
   external void exitPointerLock();
 
+  /// The **`hasUnpartitionedCookieAccess()`** method of the [Document]
+  /// interface returns a `Promise` that resolves with a boolean value
+  /// indicating whether the document has access to
+  /// [third-party](https://developer.mozilla.org/en-US/docs/Web/HTTP/Cookies#third-party_cookies),
+  /// [unpartitioned](https://developer.mozilla.org/en-US/docs/Web/API/Storage_Access_API#unpartitioned_versus_partitioned_cookies)
+  /// cookies.
+  ///
+  /// This method is part of the
+  /// [Storage Access API](https://developer.mozilla.org/en-US/docs/Web/API/Storage_Access_API).
+  ///
+  /// This method is a new name for [Document.hasStorageAccess].
+  external JSPromise<JSBoolean> hasUnpartitionedCookieAccess();
+
   /// The **`getSelection()`** method of
   /// the [Document] interface returns a [Selection]
   /// object representing the range of text selected by the user, or the current
@@ -2693,6 +2720,22 @@ extension type DocumentFragment._(JSObject _) implements Node, JSObject {
 /// API documentation sourced from
 /// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/ShadowRoot).
 extension type ShadowRoot._(JSObject _) implements DocumentFragment, JSObject {
+  external void setHTMLUnsafe(JSAny html);
+
+  /// The **`getHTML()`** method of the [ShadowRoot] interface is used to
+  /// serialize a shadow root's DOM to an HTML string.
+  ///
+  /// The method provides an options argument that enables the serialization of
+  /// child nodes that are shadow roots.
+  /// The options can be used to include nested shadow roots that have been set
+  /// as [ShadowRoot.serializable], and/or a specified array of [ShadowRoot]
+  /// objects, which may be either open or closed.
+  ///
+  /// Without arguments, child nodes that are shadow roots are not serialized,
+  /// and this method behaves in the same way as reading the value of
+  /// [Element.innerHTML].
+  external String getHTML([GetHTMLOptions options]);
+
   /// The **`getAnimations()`** method of the [ShadowRoot] interface
   /// returns an array of all [Animation] objects currently in effect whose
   /// target elements are descendants of the shadow tree. This array includes
@@ -2768,6 +2811,24 @@ extension type ShadowRoot._(JSObject _) implements DocumentFragment, JSObject {
   /// attach a shadow root.
   external bool get clonable;
 
+  /// The **`serializable`** read-only property of the [ShadowRoot] interface
+  /// returns `true` if the shadow root is serializable.
+  ///
+  /// If set, the shadow root may be serialized by calling the [Element.getHTML]
+  /// or [ShadowRoot.getHTML] methods with the `options.serializableShadowRoots`
+  /// parameter set `true`.
+  ///
+  /// The serializable property of a shadow root is specified when the shadow
+  /// root is created, either declaratively by adding the
+  /// [`shadowrootserializable`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/template#shadowrootserializable)
+  /// attribute on a `<template>` element (along with an allowed
+  /// [`shadowrootmode`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/template#shadowrootmode)
+  /// value), or by setting the
+  /// [`options.serializable`](/en-US/docs/Web/API/Element/attachShadow#serializable)
+  /// parameter to `true` when using
+  /// [`Element.attachShadow()`](https://developer.mozilla.org/en-US/docs/Web/API/Element/attachShadow).
+  external bool get serializable;
+
   /// The **`host`** read-only property of
   /// the [ShadowRoot] returns a reference to the DOM element the
   /// `ShadowRoot` is attached to.
@@ -2778,8 +2839,8 @@ extension type ShadowRoot._(JSObject _) implements DocumentFragment, JSObject {
   /// The **`innerHTML`** property of the [ShadowRoot]
   /// interface sets or returns a reference to the DOM tree inside the
   /// `ShadowRoot`.
-  external String get innerHTML;
-  external set innerHTML(String value);
+  external JSAny get innerHTML;
+  external set innerHTML(JSAny value);
 
   /// The **`styleSheets`** read-only property of the [ShadowRoot] interface
   /// returns a [StyleSheetList] of [CSSStyleSheet] objects, for stylesheets
@@ -2856,14 +2917,6 @@ extension type ShadowRoot._(JSObject _) implements DocumentFragment, JSObject {
 /// API documentation sourced from
 /// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/Element).
 extension type Element._(JSObject _) implements Node, JSObject {
-  /// The **`insertAdjacentHTML()`** method of the
-  /// [Element] interface parses the specified text as HTML or XML and inserts
-  /// the resulting nodes into the DOM tree at a specified position.
-  external void insertAdjacentHTML(
-    String position,
-    String text,
-  );
-
   /// The **`computedStyleMap()`** method of
   /// the [Element] interface returns a [StylePropertyMapReadOnly]
   /// interface which provides a read-only representation of a CSS declaration
@@ -3209,6 +3262,29 @@ extension type Element._(JSObject _) implements Node, JSObject {
   /// detached from the original document, then the document receives these
   /// events instead.
   external JSPromise<JSAny?> requestFullscreen([FullscreenOptions options]);
+  external void setHTMLUnsafe(JSAny html);
+
+  /// The **`getHTML()`** method of the [Element] interface is used to serialize
+  /// an element's DOM to an HTML string.
+  ///
+  /// The method provides an options argument that enables the serialization of
+  /// child nodes that are shadow roots.
+  /// The options can be used to include nested shadow roots that have been set
+  /// as [ShadowRoot.serializable], and/or a specified array of [ShadowRoot]
+  /// objects, which may be either open or closed.
+  ///
+  /// Without arguments, child nodes that are shadow roots are not serialized,
+  /// and this method behaves in the same way as reading the value of
+  /// [Element.innerHTML].
+  external String getHTML([GetHTMLOptions options]);
+
+  /// The **`insertAdjacentHTML()`** method of the
+  /// [Element] interface parses the specified text as HTML or XML and inserts
+  /// the resulting nodes into the DOM tree at a specified position.
+  external void insertAdjacentHTML(
+    String position,
+    JSAny string,
+  );
 
   /// The **`setPointerCapture()`** method of the
   /// [Element] interface is used to designate a specific element as the
@@ -3273,7 +3349,7 @@ extension type Element._(JSObject _) implements Node, JSObject {
   /// > `Promise`. However, note that this version is not yet a standard and is
   /// > not implemented by all browsers. See
   /// > [Browser compatibility](#browser_compatibility) for more information.
-  external void requestPointerLock();
+  external JSPromise<JSAny?> requestPointerLock([PointerLockOptions options]);
 
   /// The **`Element.prepend()`** method inserts a set of
   /// [Node] objects or string objects before the first child
@@ -3362,20 +3438,6 @@ extension type Element._(JSObject _) implements Node, JSObject {
   /// > [Web Animations](https://developer.mozilla.org/en-US/docs/Web/API/Web_Animations_API).
   external JSArray<Animation> getAnimations([GetAnimationsOptions options]);
 
-  /// The **`outerHTML`** attribute of the [Element]
-  /// DOM interface gets the serialized HTML fragment describing the element
-  /// including its
-  /// descendants. It can also be set to replace the element with nodes parsed
-  /// from the given
-  /// string.
-  ///
-  /// To only obtain the HTML representation of the contents of an element, or
-  /// to replace the
-  /// contents of an element, use the [Element.innerHTML] property
-  /// instead.
-  external String get outerHTML;
-  external set outerHTML(String value);
-
   /// The **`part`** property of the [Element] interface
   /// represents the part identifier(s) of the element (i.e. set using the
   /// `part`
@@ -3671,8 +3733,22 @@ extension type Element._(JSObject _) implements Node, JSObject {
   /// In order to set an element's contents from an HTML string that includes
   /// declarative shadow roots, you must use either [Element.setHTMLUnsafe] or
   /// [ShadowRoot.setHTMLUnsafe].
-  external String get innerHTML;
-  external set innerHTML(String value);
+  external JSAny get innerHTML;
+  external set innerHTML(JSAny value);
+
+  /// The **`outerHTML`** attribute of the [Element]
+  /// DOM interface gets the serialized HTML fragment describing the element
+  /// including its
+  /// descendants. It can also be set to replace the element with nodes parsed
+  /// from the given
+  /// string.
+  ///
+  /// To only obtain the HTML representation of the contents of an element, or
+  /// to replace the
+  /// contents of an element, use the [Element.innerHTML] property
+  /// instead.
+  external JSAny get outerHTML;
+  external set outerHTML(JSAny value);
 
   /// The read-only **`children`** property returns a live [HTMLCollection]
   /// which contains all of the child [Element] of the element upon which it was
@@ -3748,6 +3824,36 @@ extension type Element._(JSObject _) implements Node, JSObject {
   external String? get ariaAutoComplete;
   external set ariaAutoComplete(String? value);
 
+  /// The **`ariaBrailleLabel`** property of the [Element] interface reflects
+  /// the value of the
+  /// [`aria-braillelabel`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-braillelabel)
+  /// attribute, which defines the ARIA braille label of the element.
+  ///
+  /// This element label may be used by assistive technologies that can present
+  /// content in braille, but should only be set if a braille-specific label
+  /// would improve the user experience.
+  /// The
+  /// [`aria-braillelabel`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-braillelabel)
+  /// contains additional information about when the property should be set.
+  external String? get ariaBrailleLabel;
+  external set ariaBrailleLabel(String? value);
+
+  /// The **`ariaBrailleRoleDescription`** property of the [Element] interface
+  /// reflects the value of the
+  /// [`aria-brailleroledescription`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-brailleroledescription)
+  /// attribute, which defines the ARIA braille role description of the element.
+  ///
+  /// This property may be used to provide an abbreviated version of the
+  /// [`aria-roledescription`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-roledescription)
+  /// value.
+  /// It should only be used if `aria-roledescription` is present and in the
+  /// rare case where it is is too verbose for braille.
+  /// The
+  /// [`aria-brailleroledescription`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-brailleroledescription)
+  /// contains additional information about when the property should be set.
+  external String? get ariaBrailleRoleDescription;
+  external set ariaBrailleRoleDescription(String? value);
+
   /// The **`ariaBusy`** property of the [Element] interface reflects the value
   /// of the
   /// [`aria-busy`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-busy)
@@ -4062,6 +4168,7 @@ extension type ShadowRootInit._(JSObject _) implements JSObject {
     bool delegatesFocus,
     SlotAssignmentMode slotAssignment,
     bool clonable,
+    bool serializable,
   });
 
   external ShadowRootMode get mode;
@@ -4072,6 +4179,8 @@ extension type ShadowRootInit._(JSObject _) implements JSObject {
   external set slotAssignment(SlotAssignmentMode value);
   external bool get clonable;
   external set clonable(bool value);
+  external bool get serializable;
+  external set serializable(bool value);
 }
 
 /// The **`NamedNodeMap`** interface represents a collection of [Attr] objects.
@@ -4632,19 +4741,6 @@ extension type Range._(JSObject _) implements AbstractRange, JSObject {
   external static int get END_TO_END;
   external static int get END_TO_START;
 
-  /// The **`Range.createContextualFragment()`** method returns a
-  /// [DocumentFragment] by invoking the HTML fragment parsing algorithm or the
-  /// XML fragment parsing algorithm with the start of the range (the _parent_
-  /// of the
-  /// selected node) as the context node. The HTML fragment parsing algorithm is
-  /// used if the
-  /// range belongs to a `Document` whose HTMLness bit is set. In the HTML case,
-  /// if
-  /// the context node would be `html`, for historical reasons the fragment
-  /// parsing
-  /// algorithm is invoked with `body` as the context instead.
-  external DocumentFragment createContextualFragment(String fragment);
-
   /// The **`Range.getClientRects()`** method returns a list of [DOMRect]
   /// objects representing the area of the screen occupied by the
   /// [range](https://developer.mozilla.org/en-US/docs/Web/API/Range). This is
@@ -4858,6 +4954,19 @@ extension type Range._(JSObject _) implements AbstractRange, JSObject {
   /// indicating whether the given [Node] intersects the [Range].
   external bool intersectsNode(Node node);
 
+  /// The **`Range.createContextualFragment()`** method returns a
+  /// [DocumentFragment] by invoking the HTML fragment parsing algorithm or the
+  /// XML fragment parsing algorithm with the start of the range (the _parent_
+  /// of the
+  /// selected node) as the context node. The HTML fragment parsing algorithm is
+  /// used if the
+  /// range belongs to a `Document` whose HTMLness bit is set. In the HTML case,
+  /// if
+  /// the context node would be `html`, for historical reasons the fragment
+  /// parsing
+  /// algorithm is invoked with `body` as the context instead.
+  external DocumentFragment createContextualFragment(JSAny string);
+
   /// The **`Range.commonAncestorContainer`** read-only property
   /// returns the deepest — or furthest down the document tree — [Node] that
   /// contains both
diff --git a/lib/src/dom/encrypted_media.dart b/lib/src/dom/encrypted_media.dart
index d93b33fd..61b82eb0 100644
--- a/lib/src/dom/encrypted_media.dart
+++ b/lib/src/dom/encrypted_media.dart
@@ -113,12 +113,19 @@ extension type MediaKeys._(JSObject _) implements JSObject {
   /// [MediaKeySession] object, which represents a context for message exchange
   /// with a content decryption module (CDM).
   external MediaKeySession createSession([MediaKeySessionType sessionType]);
+  external JSPromise<JSString> getStatusForPolicy([MediaKeysPolicy policy]);
 
   /// The **`MediaKeys.setServerCertificate()`** method provides a
   /// server certificate to be used to encrypt messages to the license server.
   external JSPromise<JSBoolean> setServerCertificate(
       BufferSource serverCertificate);
 }
+extension type MediaKeysPolicy._(JSObject _) implements JSObject {
+  external factory MediaKeysPolicy({String minHdcpVersion});
+
+  external String get minHdcpVersion;
+  external set minHdcpVersion(String value);
+}
 
 /// The **`MediaKeySession`** interface of the
 /// [Encrypted Media Extensions API](https://developer.mozilla.org/en-US/docs/Web/API/Encrypted_Media_Extensions_API)
diff --git a/lib/src/dom/fetch.dart b/lib/src/dom/fetch.dart
index 4ffd87c1..33de9949 100644
--- a/lib/src/dom/fetch.dart
+++ b/lib/src/dom/fetch.dart
@@ -208,6 +208,7 @@ extension type Request._(JSObject _) implements JSObject {
   /// reads the request body and returns it as a promise that resolves with a
   /// [Blob].
   external JSPromise<Blob> blob();
+  external JSPromise<JSUint8Array> bytes();
 
   /// The **`formData()`** method of the [Request] interface
   /// reads the request body and returns it as a promise that resolves with a
@@ -473,6 +474,7 @@ extension type Response._(JSObject _) implements JSObject {
   /// a [Response] stream and reads it to completion. It returns a promise that
   /// resolves with a [Blob].
   external JSPromise<Blob> blob();
+  external JSPromise<JSUint8Array> bytes();
 
   /// The **`formData()`** method of the [Response] interface
   /// takes a [Response] stream and reads it to completion. It returns a promise
diff --git a/lib/src/dom/gamepad.dart b/lib/src/dom/gamepad.dart
index c4dca270..cbc38b6a 100644
--- a/lib/src/dom/gamepad.dart
+++ b/lib/src/dom/gamepad.dart
@@ -16,6 +16,8 @@ import 'dart:js_interop';
 import 'dom.dart';
 
 typedef GamepadMappingType = String;
+typedef GamepadHapticsResult = String;
+typedef GamepadHapticEffectType = String;
 
 /// The **`Gamepad`** interface of the
 /// [Gamepad API](https://developer.mozilla.org/en-US/docs/Web/API/Gamepad_API)
@@ -186,6 +188,37 @@ extension type GamepadHapticActuator._(JSObject _) implements JSObject {
     num value,
     num duration,
   );
+
+  /// The **`playEffect()`** method of the [GamepadHapticActuator] interface
+  /// makes the hardware play a specific vibration pattern.
+  external JSPromise<JSString> playEffect(
+    GamepadHapticEffectType type, [
+    GamepadEffectParameters params,
+  ]);
+  external JSPromise<JSString> reset();
+}
+extension type GamepadEffectParameters._(JSObject _) implements JSObject {
+  external factory GamepadEffectParameters({
+    int duration,
+    int startDelay,
+    num strongMagnitude,
+    num weakMagnitude,
+    num leftTrigger,
+    num rightTrigger,
+  });
+
+  external int get duration;
+  external set duration(int value);
+  external int get startDelay;
+  external set startDelay(int value);
+  external double get strongMagnitude;
+  external set strongMagnitude(num value);
+  external double get weakMagnitude;
+  external set weakMagnitude(num value);
+  external double get leftTrigger;
+  external set leftTrigger(num value);
+  external double get rightTrigger;
+  external set rightTrigger(num value);
 }
 
 /// The GamepadEvent interface of the Gamepad API contains references to
diff --git a/lib/src/dom/geolocation.dart b/lib/src/dom/geolocation.dart
index 2d6d98a4..261d8f2b 100644
--- a/lib/src/dom/geolocation.dart
+++ b/lib/src/dom/geolocation.dart
@@ -84,6 +84,8 @@ extension type PositionOptions._(JSObject _) implements JSObject {
 /// API documentation sourced from
 /// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/GeolocationPosition).
 extension type GeolocationPosition._(JSObject _) implements JSObject {
+  external JSObject toJSON();
+
   /// The **`coords`** read-only property of the [GeolocationPosition] interface
   /// returns a [GeolocationCoordinates] object representing a geographic
   /// position. It contains the location, that is longitude and latitude on the
@@ -109,6 +111,8 @@ extension type GeolocationPosition._(JSObject _) implements JSObject {
 /// API documentation sourced from
 /// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/GeolocationCoordinates).
 extension type GeolocationCoordinates._(JSObject _) implements JSObject {
+  external JSObject toJSON();
+
   /// The **`accuracy`** read-only property of the [GeolocationCoordinates]
   /// interface is a strictly positive `double` representing the accuracy, with
   /// a 95% confidence level, of the [GeolocationCoordinates.latitude] and
diff --git a/lib/src/dom/html.dart b/lib/src/dom/html.dart
index 5987de48..85d602e0 100644
--- a/lib/src/dom/html.dart
+++ b/lib/src/dom/html.dart
@@ -35,6 +35,7 @@ import 'media_playback_quality.dart';
 import 'media_source.dart';
 import 'mediacapture_streams.dart';
 import 'mediasession.dart';
+import 'netinfo.dart';
 import 'permissions.dart';
 import 'picture_in_picture.dart';
 import 'remote_playback.dart';
@@ -2802,8 +2803,8 @@ extension type HTMLIFrameElement._(JSObject _)
 
   /// The **`srcdoc`** property of the [HTMLIFrameElement] specifies the content
   /// of the page.
-  external String get srcdoc;
-  external set srcdoc(String value);
+  external JSAny get srcdoc;
+  external set srcdoc(JSAny value);
 
   /// The **`name`** property of the [HTMLIFrameElement] interface is a string
   /// value that reflects the `name` attribute of the `iframe` element,
@@ -6733,6 +6734,55 @@ extension type HTMLTemplateElement._(JSObject _)
   /// subsequently be changed to a shadow root.
   external String get shadowRootMode;
   external set shadowRootMode(String value);
+
+  /// The **`shadowRootDelegatesFocus`** property of the [HTMLTemplateElement]
+  /// interface reflects the value of the
+  /// [`shadowrootdelegatesfocus`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/template#shadowrootdelegatesfocus)
+  /// attribute of the associated
+  /// [`<template>`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/template)
+  /// element.
+  ///
+  /// Note that this property is not useful for developers.
+  /// If a `<template>` element is used to declaratively create a
+  /// [`ShadowRoot`](https://developer.mozilla.org/en-US/docs/Web/API/ShadowRoot),
+  /// then this object and property do not exist.
+  /// Otherwise, if an `HTMLTemplateElement` is created, the value of this
+  /// property is irrelevant because the object is not a shadow root and cannot
+  /// subsequently be changed to a shadow root.
+  external bool get shadowRootDelegatesFocus;
+  external set shadowRootDelegatesFocus(bool value);
+
+  /// The **`shadowRootClonable`** property reflects the value of the
+  /// [`shadowrootclonable`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/template#shadowrootclonable)
+  /// attribute of the associated
+  /// [`<template>`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/template)
+  /// element.
+  ///
+  /// Note that this property is not useful for developers.
+  /// If a `<template>` element is used to declaratively create a
+  /// [`ShadowRoot`](https://developer.mozilla.org/en-US/docs/Web/API/ShadowRoot),
+  /// then this object and property do not exist.
+  /// Otherwise, if an `HTMLTemplateElement` is created, the value of this
+  /// property is irrelevant because the object is not a shadow root and cannot
+  /// subsequently be changed to a shadow root.
+  external bool get shadowRootClonable;
+  external set shadowRootClonable(bool value);
+
+  /// The **`shadowRootSerializable`** property reflects the value of the
+  /// [`shadowrootserializable`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/template#shadowrootserializable)
+  /// attribute of the associated
+  /// [`<template>`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/template)
+  /// element.
+  ///
+  /// Note that this property is not useful for developers.
+  /// If a `<template>` element is used to declaratively create a
+  /// [`ShadowRoot`](https://developer.mozilla.org/en-US/docs/Web/API/ShadowRoot),
+  /// then this object and property do not exist.
+  /// Otherwise, if an `HTMLTemplateElement` is created, the value of this
+  /// property is irrelevant because the object is not a shadow root and cannot
+  /// subsequently be changed to a shadow root.
+  external bool get shadowRootSerializable;
+  external set shadowRootSerializable(bool value);
 }
 
 /// The **`HTMLSlotElement`** interface of the
@@ -7022,6 +7072,24 @@ extension type CanvasRenderingContext2D._(JSObject _) implements JSObject {
   /// and so on.
   external void reset();
 
+  /// The **`CanvasRenderingContext2D.isContextLost()`** method of the Canvas 2D
+  /// API returns `true` if the rendering context is lost (and has not yet been
+  /// reset).
+  /// This might occur due to driver crashes, running out of memory, and so on.
+  ///
+  /// If the user agent detects that the canvas backing storage is lost it will
+  /// fire the
+  /// [`contextlost` event](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/contextlost_event)
+  /// at the associated
+  /// [`HTMLCanvasElement`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement).
+  /// If this event is not cancelled it will attempt to reset the backing
+  /// storage to the default state (this is equivalent to calling
+  /// [CanvasRenderingContext2D.reset]).
+  /// On success it will fire the
+  /// [`contextrestored` event](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/contextrestored_event),
+  /// indicating that the context is ready to reinitialize and redraw.
+  external bool isContextLost();
+
   /// The
   /// **`CanvasRenderingContext2D.scale()`**
   /// method of the Canvas 2D API adds a scaling transformation to the canvas
@@ -8396,19 +8464,10 @@ extension type OffscreenCanvas._(JSObject _) implements EventTarget, JSObject {
 /// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvasRenderingContext2D).
 extension type OffscreenCanvasRenderingContext2D._(JSObject _)
     implements JSObject {
-  /// The
-  /// **`OffscreenCanvasRenderingContext2D.commit()`**
-  /// method of the
-  /// [Canvas 2D API](https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvasRenderingContext2D)
-  /// was intended to copy the rendering context's bitmap to the bitmap of the
-  /// placeholder `canvas` element of the associated `OffscreenCanvas` object.
-  /// The copy operation is synchronous. Calling this method is not needed for
-  /// the transfer, since it happens automatically during the event-loop
-  /// execution.
-  external void commit();
   external void save();
   external void restore();
   external void reset();
+  external bool isContextLost();
   external void scale(
     num x,
     num y,
@@ -8796,6 +8855,11 @@ extension type ElementInternals._(JSObject _) implements JSObject {
   /// returns the labels associated with the element.
   external NodeList get labels;
 
+  /// The **`states`** read-only property of the [ElementInternals] interface
+  /// returns a [CustomStateSet] representing the possible states of the custom
+  /// element.
+  external CustomStateSet get states;
+
   /// The **`role`** read-only property of the [ElementInternals] interface
   /// returns the
   /// [WAI-ARIA role](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles)
@@ -8836,6 +8900,10 @@ extension type ElementInternals._(JSObject _) implements JSObject {
   /// > [Accessibility Object Model explainer](https://wicg.github.io/aom/explainer.html#default-semantics-for-custom-elements-via-the-elementinternals-object).
   external String? get ariaAutoComplete;
   external set ariaAutoComplete(String? value);
+  external String? get ariaBrailleLabel;
+  external set ariaBrailleLabel(String? value);
+  external String? get ariaBrailleRoleDescription;
+  external set ariaBrailleRoleDescription(String? value);
 
   /// The **`ariaBusy`** property of the [ElementInternals] interface reflects
   /// the value of the
@@ -9398,6 +9466,21 @@ extension type ValidityStateFlags._(JSObject _) implements JSObject {
   external set customError(bool value);
 }
 
+/// The **`CustomStateSet`** interface of the
+/// [Document Object Model](https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model)
+/// stores a list of states for an
+/// [autonomous custom element](https://developer.mozilla.org/en-US/docs/Web/API/Web_components/Using_custom_elements#types_of_custom_element),
+/// and allows states to be added and removed from the set.
+///
+/// The interface can be used to expose the internal states of a custom element,
+/// allowing them to be used in CSS selectors by code that uses the element.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/CustomStateSet).
+extension type CustomStateSet._(JSObject _) implements JSObject {}
+
 /// The **`UserActivation`** interface provides information about whether a user
 /// is currently interacting with the page, or has completed an interaction
 /// since page load.
@@ -11211,6 +11294,7 @@ extension type PopStateEvent._(JSObject _) implements Event, JSObject {
   /// Practically it is a value provided by the call to [history.pushState] or
   /// [history.replaceState]
   external JSAny? get state;
+  external bool get hasUAVisualTransition;
 }
 extension type PopStateEventInit._(JSObject _) implements EventInit, JSObject {
   external factory PopStateEventInit({
@@ -11419,6 +11503,17 @@ extension type PromiseRejectionEventInit._(JSObject _)
   external JSAny? get reason;
   external set reason(JSAny? value);
 }
+extension type GetHTMLOptions._(JSObject _) implements JSObject {
+  external factory GetHTMLOptions({
+    bool serializableShadowRoots,
+    JSArray<ShadowRoot> shadowRoots,
+  });
+
+  external bool get serializableShadowRoots;
+  external set serializableShadowRoots(bool value);
+  external JSArray<ShadowRoot> get shadowRoots;
+  external set shadowRoots(JSArray<ShadowRoot> value);
+}
 
 /// The **`DOMParser`** interface provides
 /// the ability to parse  or  source code from a
@@ -11455,7 +11550,7 @@ extension type DOMParser._(JSObject _) implements JSObject {
   /// string containing either HTML or XML, returning an [HTMLDocument] or an
   /// [XMLDocument].
   external Document parseFromString(
-    String string,
+    JSAny string,
     DOMParserSupportedType type,
   );
 }
@@ -11540,30 +11635,6 @@ extension type Navigator._(JSObject _) implements JSObject {
   /// session, so that the remaining gamepads retain the same index.
   external JSArray<Gamepad?> getGamepads();
 
-  /// The deprecated **`Navigator.getUserMedia()`** method prompts the user for
-  /// permission to use up to one video input device (such as a camera or shared
-  /// screen) and up to one audio input device (such as a microphone) as the
-  /// source for a [MediaStream].
-  ///
-  /// If permission is granted, a `MediaStream` whose video and/or audio tracks
-  /// come from those devices is delivered to the specified success callback.
-  /// If permission is denied, no compatible input devices exist, or any other
-  /// error condition occurs, the error callback is executed with an object
-  /// describing what went wrong.
-  /// If the user instead doesn't make a choice at all, neither callback is
-  /// executed.
-  ///
-  /// > **Note:** This is a legacy method.
-  /// > Please use the newer [MediaDevices.getUserMedia] instead.
-  /// > While technically not deprecated, this old callback version is marked as
-  /// > such, since the specification strongly encourages using the newer
-  /// > promise returning version.
-  external void getUserMedia(
-    MediaStreamConstraints constraints,
-    NavigatorUserMediaSuccessCallback successCallback,
-    NavigatorUserMediaErrorCallback errorCallback,
-  );
-
   /// The **`vibrate()`** method of the [Navigator] interface pulses the
   /// vibration
   /// hardware on the device, if such hardware exists. If the device doesn't
@@ -12058,6 +12129,15 @@ extension type Navigator._(JSObject _) implements JSObject {
   /// computer.
   external int get hardwareConcurrency;
 
+  /// The **`connection`** read-only property of the [Navigator] interface
+  /// returns a [NetworkInformation] object containing information about the
+  /// system's connection, such as the current bandwidth of the user's device or
+  /// whether the connection is metered.
+  ///
+  /// This could be used to select high definition content or low definition
+  /// content based on the user's connection.
+  external NetworkInformation get connection;
+
   /// The **`Navigator.storage`**
   /// read-only property returns the singleton [StorageManager] object used to
   /// access the overall storage capabilities of the browser for the current
@@ -12555,7 +12635,7 @@ extension type WorkerGlobalScope._(JSObject _)
     implements EventTarget, JSObject {
   /// The **`importScripts()`** method of the [WorkerGlobalScope] interface
   /// synchronously imports one or more scripts into the worker's scope.
-  external void importScripts(String urls);
+  external void importScripts(JSAny urls);
   external JSPromise<Response> fetch(
     RequestInfo input, [
     RequestInit init,
@@ -12878,7 +12958,7 @@ extension type SharedWorkerGlobalScope._(JSObject _)
 /// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/Worker).
 extension type Worker._(JSObject _) implements EventTarget, JSObject {
   external factory Worker(
-    String scriptURL, [
+    JSAny scriptURL, [
     WorkerOptions options,
   ]);
 
@@ -12944,7 +13024,7 @@ extension type WorkerOptions._(JSObject _) implements JSObject {
 /// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/SharedWorker).
 extension type SharedWorker._(JSObject _) implements EventTarget, JSObject {
   external factory SharedWorker(
-    String scriptURL, [
+    JSAny scriptURL, [
     JSAny options,
   ]);
 
@@ -13147,7 +13227,7 @@ extension type WorkerNavigator._(JSObject _) implements JSObject {
   /// whether the connection is metered.
   /// This could be used to select high definition content or low definition
   /// content based on the user's connection.
-  external JSObject get connection;
+  external NetworkInformation get connection;
 
   /// The **`storage`** read-only property of the [WorkerNavigator] interface
   /// returns the singleton [StorageManager] object used to
diff --git a/lib/src/dom/media_source.dart b/lib/src/dom/media_source.dart
index eaa004e1..ccbf5c28 100644
--- a/lib/src/dom/media_source.dart
+++ b/lib/src/dom/media_source.dart
@@ -34,6 +34,7 @@ extension type MediaSource._(JSObject _) implements EventTarget, JSObject {
   external factory MediaSource();
 
   external static bool isTypeSupported(String type);
+  external static bool get canConstructInDedicatedWorker;
 
   /// The **`addSourceBuffer()`** method of the
   /// [MediaSource] interface creates a new [SourceBuffer] of the
@@ -64,6 +65,23 @@ extension type MediaSource._(JSObject _) implements EventTarget, JSObject {
   /// to [MediaSource.setLiveSeekableRange].
   external void clearLiveSeekableRange();
 
+  /// The **`handle`** read-only property of the [MediaSource] interface returns
+  /// a [MediaSourceHandle] object, a proxy for the `MediaSource` that can be
+  /// transferred from a dedicated worker back to the main thread and attached
+  /// to a media element via its [HTMLMediaElement.srcObject] property.
+  ///
+  /// > **Note:** `handle` is only visible on [MediaSource] instances inside
+  /// > dedicated workers.
+  ///
+  /// Each `MediaSource` object created inside a dedicated worker has its own
+  /// distinct `MediaSourceHandle`. The `handle` getter will always return the
+  /// `MediaSourceHandle` instance specific to the associated dedicated worker
+  /// `MediaSource` instance. If the handle has already been transferred to the
+  /// main thread using [DedicatedWorkerGlobalScope.postMessage], the handle
+  /// instance in the worker is technically detached and can't be transferred
+  /// again.
+  external MediaSourceHandle get handle;
+
   /// The **`sourceBuffers`** read-only property of the
   /// [MediaSource] interface returns a [SourceBufferList] object
   /// containing the list of [SourceBuffer] objects associated with this
@@ -101,6 +119,29 @@ extension type MediaSource._(JSObject _) implements EventTarget, JSObject {
   external set onsourceclose(EventHandler value);
 }
 
+/// The **`MediaSourceHandle`** interface of the [Media Source Extensions API]
+/// is a proxy for a [MediaSource] that can be transferred from a dedicated
+/// worker back to the main thread and attached to a media element via its
+/// [HTMLMediaElement.srcObject] property. `MediaSource` objects are not
+/// transferable because they are event targets, hence the need for
+/// `MediaSourceHandle`s.
+///
+/// It can be accessed via the [MediaSource.handle] property.
+///
+/// Each `MediaSource` object created inside a dedicated worker has its own
+/// distinct `MediaSourceHandle`. The `MediaSource.handle` getter will always
+/// return the `MediaSourceHandle` instance specific to the associated dedicated
+/// worker `MediaSource` instance. If the handle has already been transferred to
+/// the main thread using [DedicatedWorkerGlobalScope.postMessage], the handle
+/// instance in the worker is technically detached and can't be transferred
+/// again.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/MediaSourceHandle).
+extension type MediaSourceHandle._(JSObject _) implements JSObject {}
+
 /// The **`SourceBuffer`** interface represents a chunk of media to be passed
 /// into an [HTMLMediaElement] and played, via a [MediaSource] object. This can
 /// be made up of one or several media segments.
diff --git a/lib/src/dom/mediacapture_streams.dart b/lib/src/dom/mediacapture_streams.dart
index 539bd586..e58d200f 100644
--- a/lib/src/dom/mediacapture_streams.dart
+++ b/lib/src/dom/mediacapture_streams.dart
@@ -23,8 +23,6 @@ typedef ConstrainULong = JSAny;
 typedef ConstrainDouble = JSAny;
 typedef ConstrainBoolean = JSAny;
 typedef ConstrainDOMString = JSAny;
-typedef NavigatorUserMediaSuccessCallback = JSFunction;
-typedef NavigatorUserMediaErrorCallback = JSFunction;
 typedef MediaStreamTrackState = String;
 typedef MediaDeviceKind = String;
 
diff --git a/lib/src/dom/mediacapture_transform.dart b/lib/src/dom/mediacapture_transform.dart
new file mode 100644
index 00000000..6f2e5782
--- /dev/null
+++ b/lib/src/dom/mediacapture_transform.dart
@@ -0,0 +1,45 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+import 'mediacapture_streams.dart';
+import 'streams.dart';
+
+/// The **`MediaStreamTrackProcessor`** interface of the
+/// [Insertable Streams for MediaStreamTrack API] consumes a [MediaStreamTrack]
+/// object's source and generates a stream of media frames.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamTrackProcessor).
+extension type MediaStreamTrackProcessor._(JSObject _) implements JSObject {
+  external factory MediaStreamTrackProcessor(
+      MediaStreamTrackProcessorInit init);
+
+  /// The **`readable`** property of the [MediaStreamTrackProcessor] interface
+  /// returns a [ReadableStream].
+  external ReadableStream get readable;
+}
+extension type MediaStreamTrackProcessorInit._(JSObject _) implements JSObject {
+  external factory MediaStreamTrackProcessorInit({
+    required MediaStreamTrack track,
+    int maxBufferSize,
+  });
+
+  external MediaStreamTrack get track;
+  external set track(MediaStreamTrack value);
+  external int get maxBufferSize;
+  external set maxBufferSize(int value);
+}
diff --git a/lib/src/dom/mediasession.dart b/lib/src/dom/mediasession.dart
index 2b73fd5e..4ea1f008 100644
--- a/lib/src/dom/mediasession.dart
+++ b/lib/src/dom/mediasession.dart
@@ -113,6 +113,7 @@ extension type MediaMetadataInit._(JSObject _) implements JSObject {
     String artist,
     String album,
     JSArray<MediaImage> artwork,
+    JSArray<ChapterInformationInit> chapterInfo,
   });
 
   external String get title;
@@ -123,6 +124,22 @@ extension type MediaMetadataInit._(JSObject _) implements JSObject {
   external set album(String value);
   external JSArray<MediaImage> get artwork;
   external set artwork(JSArray<MediaImage> value);
+  external JSArray<ChapterInformationInit> get chapterInfo;
+  external set chapterInfo(JSArray<ChapterInformationInit> value);
+}
+extension type ChapterInformationInit._(JSObject _) implements JSObject {
+  external factory ChapterInformationInit({
+    String title,
+    num startTime,
+    JSArray<MediaImage> artwork,
+  });
+
+  external String get title;
+  external set title(String value);
+  external double get startTime;
+  external set startTime(num value);
+  external JSArray<MediaImage> get artwork;
+  external set artwork(JSArray<MediaImage> value);
 }
 extension type MediaImage._(JSObject _) implements JSObject {
   external factory MediaImage({
diff --git a/lib/src/dom/netinfo.dart b/lib/src/dom/netinfo.dart
new file mode 100644
index 00000000..16111bcf
--- /dev/null
+++ b/lib/src/dom/netinfo.dart
@@ -0,0 +1,75 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+import 'dom.dart';
+import 'html.dart';
+
+typedef Megabit = num;
+typedef Millisecond = int;
+typedef EffectiveConnectionType = String;
+
+/// The **`NetworkInformation`** interface of the
+/// [Network Information API](https://developer.mozilla.org/en-US/docs/Web/API/Network_Information_API)
+/// provides information about the connection a device is using to communicate
+/// with the network and provides a means for scripts to be notified if the
+/// connection type changes.
+/// The `NetworkInformation` interface cannot be instantiated. It is instead
+/// accessed through the `connection` property of the [Navigator] interface or
+/// the [WorkerNavigator] interface.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation).
+extension type NetworkInformation._(JSObject _)
+    implements EventTarget, JSObject {
+  /// The **`effectiveType`** read-only property of the
+  /// [NetworkInformation] interface returns the effective type of the
+  /// connection
+  /// meaning one of `slow-2g`, `2g`, `3g`, or `4g`. This value is determined
+  /// using a
+  /// combination of recently observed, round-trip time and downlink values.
+  external EffectiveConnectionType get effectiveType;
+
+  /// The **`downlink`** read-only property of the
+  /// [NetworkInformation] interface returns the effective bandwidth estimate in
+  /// megabits per second, rounded to the nearest multiple of 25 kilobits per
+  /// seconds. This
+  /// value is based on recently observed application layer throughput across
+  /// recently active
+  /// connections, excluding connections made to a private address space. In the
+  /// absence of
+  /// recent bandwidth measurement data, the attribute value is determined by
+  /// the properties
+  /// of the underlying connection technology.
+  external double get downlink;
+
+  /// The **`rtt`** read-only property of the [NetworkInformation] interface
+  /// returns the estimated effective round-trip time of the current connection,
+  /// rounded to the nearest multiple of 25 milliseconds.
+  /// This value is based on recently observed application-layer RTT
+  /// measurements across recently active connections.
+  /// It excludes connections made to a private address space.
+  /// If no recent measurement data is available, the value is based on the
+  /// properties of the underlying connection technology.
+  external Millisecond get rtt;
+  external EventHandler get onchange;
+  external set onchange(EventHandler value);
+
+  /// The **`saveData`** read-only
+  /// property of the [NetworkInformation] interface returns `true` if the user
+  /// has set a reduced data usage option on the user agent.
+  external bool get saveData;
+}
diff --git a/lib/src/dom/pointerlock.dart b/lib/src/dom/pointerlock.dart
new file mode 100644
index 00000000..77114342
--- /dev/null
+++ b/lib/src/dom/pointerlock.dart
@@ -0,0 +1,21 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+extension type PointerLockOptions._(JSObject _) implements JSObject {
+  external factory PointerLockOptions({bool unadjustedMovement});
+
+  external bool get unadjustedMovement;
+  external set unadjustedMovement(bool value);
+}
diff --git a/lib/src/dom/saa_non_cookie_storage.dart b/lib/src/dom/saa_non_cookie_storage.dart
new file mode 100644
index 00000000..28096685
--- /dev/null
+++ b/lib/src/dom/saa_non_cookie_storage.dart
@@ -0,0 +1,94 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+import 'fetch.dart';
+import 'fs.dart';
+import 'html.dart';
+import 'indexeddb.dart';
+import 'service_workers.dart';
+import 'storage.dart';
+import 'web_locks.dart';
+
+typedef SameSiteCookiesType = String;
+
+/// The **`StorageAccessHandle`** interface represents access to
+/// [unpartitioned state](https://developer.mozilla.org/en-US/docs/Web/Privacy/State_Partitioning#state_partitioning)
+/// granted by a call to [Document.requestStorageAccess].
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/StorageAccessHandle).
+extension type StorageAccessHandle._(JSObject _) implements JSObject {
+  /// > **Note:** See [StorageManager.getDirectory] to understand usage.
+  external JSPromise<FileSystemDirectoryHandle> getDirectory();
+
+  /// > **Note:** See [StorageManager.estimate] to understand usage.
+  external JSPromise<StorageEstimate> estimate();
+
+  /// > **Note:** See [URL.createObjectURL_static] to understand usage.
+  external String createObjectURL(JSObject obj);
+
+  /// > **Note:** See [URL.revokeObjectURL_static] to understand usage.
+  external void revokeObjectURL(String url);
+
+  /// > **Note:** See [BroadcastChannel.BroadcastChannel] to understand usage.
+  @JS('BroadcastChannel')
+  external BroadcastChannel BroadcastChannel_(String name);
+
+  /// > **Note:** See [SharedWorker.SharedWorker] to understand usage.
+  @JS('SharedWorker')
+  external SharedWorker SharedWorker_(
+    String scriptURL, [
+    JSAny options,
+  ]);
+
+  /// The **`sessionStorage`** property of the [StorageAccessHandle] interface
+  /// returns an unpartitioned session [Storage] object if access was granted,
+  /// and throws a `SecurityError` [DOMException] otherwise.
+  external Storage get sessionStorage;
+
+  /// The **`localStorage`** property of the [StorageAccessHandle] interface
+  /// returns an unpartitioned local [Storage] object if access was granted, and
+  /// throws a `SecurityError` [DOMException] otherwise.
+  external Storage get localStorage;
+
+  /// The **`indexedDB`** property of the [StorageAccessHandle] interface
+  /// returns an unpartitioned [IDBFactory] object if access was granted, and
+  /// throws a `SecurityError` [DOMException] otherwise.
+  external IDBFactory get indexedDB;
+
+  /// The **`locks`** property of the [StorageAccessHandle] interface returns an
+  /// unpartitioned session [LockManager] object if access was granted, and
+  /// throws a `SecurityError` [DOMException] otherwise.
+  external LockManager get locks;
+
+  /// The **`caches`** property of the [StorageAccessHandle] interface returns
+  /// an unpartitioned [CacheStorage] object if access was granted, and throws a
+  /// `SecurityError` [DOMException] otherwise.
+  external CacheStorage get caches;
+}
+extension type SharedWorkerOptions._(JSObject _)
+    implements WorkerOptions, JSObject {
+  external factory SharedWorkerOptions({
+    WorkerType type,
+    RequestCredentials credentials,
+    String name,
+    SameSiteCookiesType sameSiteCookies,
+  });
+
+  external SameSiteCookiesType get sameSiteCookies;
+  external set sameSiteCookies(SameSiteCookiesType value);
+}
diff --git a/lib/src/dom/sanitizer_api.dart b/lib/src/dom/sanitizer_api.dart
new file mode 100644
index 00000000..fbea935d
--- /dev/null
+++ b/lib/src/dom/sanitizer_api.dart
@@ -0,0 +1,102 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// API docs from [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web).
+// Attributions and copyright licensing by Mozilla Contributors is licensed
+// under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/.
+
+// Generated from Web IDL definitions.
+
+@JS()
+library;
+
+import 'dart:js_interop';
+
+typedef SanitizerElement = JSAny;
+typedef SanitizerElementWithAttributes = JSAny;
+typedef SanitizerAttribute = JSAny;
+
+/// The **`Sanitizer`** interface of the [HTML Sanitizer API] is used to
+/// sanitize untrusted strings of HTML, [Document] and [DocumentFragment]
+/// objects.
+/// After sanitization, unwanted elements or attributes are removed, and the
+/// returned objects can safely be inserted into a document's DOM.
+///
+/// A **`Sanitizer`** object is also used by the [Element.setHTML] method to
+/// parse and sanitize a string of HTML, and immediately insert it into an
+/// element.
+///
+/// The default configuration strips out XSS-relevant input by default,
+/// including `script` tags, custom elements, and comments.
+/// This configuration may be customized using constructor options.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/Sanitizer).
+extension type Sanitizer._(JSObject _) implements JSObject {
+  external factory Sanitizer([SanitizerConfig config]);
+}
+extension type SanitizerElementNamespace._(JSObject _) implements JSObject {
+  external factory SanitizerElementNamespace({
+    required String name,
+    String? namespace,
+  });
+
+  external String get name;
+  external set name(String value);
+  external String? get namespace;
+  external set namespace(String? value);
+}
+extension type SanitizerElementNamespaceWithAttributes._(JSObject _)
+    implements SanitizerElementNamespace, JSObject {
+  external factory SanitizerElementNamespaceWithAttributes({
+    required String name,
+    String? namespace,
+    JSArray<SanitizerAttribute> attributes,
+    JSArray<SanitizerAttribute> removeAttributes,
+  });
+
+  external JSArray<SanitizerAttribute> get attributes;
+  external set attributes(JSArray<SanitizerAttribute> value);
+  external JSArray<SanitizerAttribute> get removeAttributes;
+  external set removeAttributes(JSArray<SanitizerAttribute> value);
+}
+extension type SanitizerAttributeNamespace._(JSObject _) implements JSObject {
+  external factory SanitizerAttributeNamespace({
+    required String name,
+    String? namespace,
+  });
+
+  external String get name;
+  external set name(String value);
+  external String? get namespace;
+  external set namespace(String? value);
+}
+extension type SanitizerConfig._(JSObject _) implements JSObject {
+  external factory SanitizerConfig({
+    JSArray<SanitizerElementWithAttributes> elements,
+    JSArray<SanitizerElement> removeElements,
+    JSArray<SanitizerElement> replaceWithChildrenElements,
+    JSArray<SanitizerAttribute> attributes,
+    JSArray<SanitizerAttribute> removeAttributes,
+    bool comments,
+    bool dataAttributes,
+  });
+
+  external JSArray<SanitizerElementWithAttributes> get elements;
+  external set elements(JSArray<SanitizerElementWithAttributes> value);
+  external JSArray<SanitizerElement> get removeElements;
+  external set removeElements(JSArray<SanitizerElement> value);
+  external JSArray<SanitizerElement> get replaceWithChildrenElements;
+  external set replaceWithChildrenElements(JSArray<SanitizerElement> value);
+  external JSArray<SanitizerAttribute> get attributes;
+  external set attributes(JSArray<SanitizerAttribute> value);
+  external JSArray<SanitizerAttribute> get removeAttributes;
+  external set removeAttributes(JSArray<SanitizerAttribute> value);
+  external bool get comments;
+  external set comments(bool value);
+  external bool get dataAttributes;
+  external set dataAttributes(bool value);
+}
diff --git a/lib/src/dom/selection_api.dart b/lib/src/dom/selection_api.dart
index d3fd0ac9..5406784a 100644
--- a/lib/src/dom/selection_api.dart
+++ b/lib/src/dom/selection_api.dart
@@ -236,4 +236,22 @@ extension type Selection._(JSObject _) implements JSObject {
   /// [Selection] interface returns a string describing the
   /// type of the current selection.
   external String get type;
+
+  /// The **`direction`** read-only property of the [Selection] interface is a
+  /// string that provides the direction of the current selection.
+  ///
+  /// The value is determined by the order in which the user chooses the
+  /// boundary points of the selection.
+  /// For example, a user might make a selection by clicking a starting boundary
+  /// point, dragging the cursor, and releasing at an end boundary point.
+  /// If the end boundary point is later in the document than the start point,
+  /// then the direction is "forwards", while the direction is "backwards" if
+  /// the end point is before the start point within the document.
+  /// The value is "directionless" if no direction is implied by the user. For
+  /// example, if the user made the selection by double-clicking on a word or
+  /// element, or the selection was made programmatically.
+  ///
+  /// The direction does not change if a selection's range is mutated, for
+  /// example, using methods like [Range.selectNode].
+  external String get direction;
 }
diff --git a/lib/src/dom/service_workers.dart b/lib/src/dom/service_workers.dart
index 753b6183..dd3ccaeb 100644
--- a/lib/src/dom/service_workers.dart
+++ b/lib/src/dom/service_workers.dart
@@ -13,6 +13,7 @@ library;
 
 import 'dart:js_interop';
 
+import 'background_sync.dart';
 import 'dom.dart';
 import 'fetch.dart';
 import 'html.dart';
@@ -150,6 +151,12 @@ extension type ServiceWorkerRegistration._(JSObject _)
   /// unregistered.
   external JSPromise<JSBoolean> unregister();
 
+  /// The **`sync`** read-only property of the
+  /// [ServiceWorkerRegistration] interface returns a reference to the
+  /// [SyncManager] interface, which manages background synchronization
+  /// processes.
+  external SyncManager get sync;
+
   /// The **`pushManager`** read-only property of the
   /// [ServiceWorkerRegistration] interface returns a reference to the
   /// [PushManager] interface for managing push subscriptions; this includes
@@ -247,7 +254,7 @@ extension type ServiceWorkerContainer._(JSObject _)
   /// the
   /// `scope` option when you need a scope that is narrower than the default.
   external JSPromise<ServiceWorkerRegistration> register(
-    String scriptURL, [
+    JSAny scriptURL, [
     RegistrationOptions options,
   ]);
 
@@ -724,6 +731,26 @@ extension type ExtendableEventInit._(JSObject _)
   });
 }
 
+/// > **Note:** Instead of using the deprecated
+/// > `ServiceWorkerGlobalScope.oninstall` handler to catch events of this type,
+/// > handle the (non-deprecated) [ServiceWorkerGlobalScope.install_event] event
+/// > using a listener added with [EventTarget.addEventListener].
+///
+/// The parameter passed into the [ServiceWorkerGlobalScope.install_event]
+/// handler, the `InstallEvent` interface represents an install action that is
+/// dispatched on the [ServiceWorkerGlobalScope] of a [ServiceWorker]. As a
+/// child of [ExtendableEvent], it ensures that functional events such as
+/// [FetchEvent] are not dispatched during installation.
+///
+/// This interface inherits from the [ExtendableEvent] interface.
+///
+/// ---
+///
+/// API documentation sourced from
+/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/InstallEvent).
+extension type InstallEvent._(JSObject _)
+    implements ExtendableEvent, JSObject {}
+
 /// @AvailableInWorkers("service")
 ///
 /// This is the event type for `fetch` events dispatched on the
diff --git a/lib/src/dom/trusted_types.dart b/lib/src/dom/trusted_types.dart
index b427b74a..10b9fd6f 100644
--- a/lib/src/dom/trusted_types.dart
+++ b/lib/src/dom/trusted_types.dart
@@ -138,8 +138,8 @@ extension type TrustedTypePolicyFactory._(JSObject _) implements JSObject {
   external String? getAttributeType(
     String tagName,
     String attribute, [
-    String elementNs,
-    String attrNs,
+    String? elementNs,
+    String? attrNs,
   ]);
 
   /// The **`getPropertyType()`** method of the [TrustedTypePolicyFactory]
@@ -148,7 +148,7 @@ extension type TrustedTypePolicyFactory._(JSObject _) implements JSObject {
   external String? getPropertyType(
     String tagName,
     String property, [
-    String elementNs,
+    String? elementNs,
   ]);
 
   /// The **`emptyHTML`** read-only property of the [TrustedTypePolicyFactory]
diff --git a/lib/src/dom/uievents.dart b/lib/src/dom/uievents.dart
index 06113ebf..4765ed1a 100644
--- a/lib/src/dom/uievents.dart
+++ b/lib/src/dom/uievents.dart
@@ -1213,6 +1213,16 @@ extension type CompositionEventInit._(JSObject _)
   external String get data;
   external set data(String value);
 }
+extension type TextEvent._(JSObject _) implements UIEvent, JSObject {
+  external void initTextEvent(
+    String type, [
+    bool bubbles,
+    bool cancelable,
+    Window? view,
+    String data,
+  ]);
+  external String get data;
+}
 
 /// The **`MutationEvent`** interface provides event properties that are
 /// specific to modifications to the Document Object Model (DOM) hierarchy and
diff --git a/lib/src/dom/url.dart b/lib/src/dom/url.dart
index 4e0ca290..feb756f4 100644
--- a/lib/src/dom/url.dart
+++ b/lib/src/dom/url.dart
@@ -38,6 +38,10 @@ extension type URL._(JSObject _) implements JSObject {
 
   external static String createObjectURL(JSObject obj);
   external static void revokeObjectURL(String url);
+  external static URL? parse(
+    String url, [
+    String base,
+  ]);
   external static bool canParse(
     String url, [
     String base,
diff --git a/lib/src/dom/webcodecs.dart b/lib/src/dom/webcodecs.dart
index 4a537894..ca5a65f0 100644
--- a/lib/src/dom/webcodecs.dart
+++ b/lib/src/dom/webcodecs.dart
@@ -267,7 +267,6 @@ extension type VideoEncoderConfig._(JSObject _) implements JSObject {
     VideoEncoderBitrateMode bitrateMode,
     LatencyMode latencyMode,
     String contentHint,
-    AV1EncoderConfig av1,
     AvcEncoderConfig avc,
     HevcEncoderConfig hevc,
   });
@@ -298,8 +297,6 @@ extension type VideoEncoderConfig._(JSObject _) implements JSObject {
   external set latencyMode(LatencyMode value);
   external String get contentHint;
   external set contentHint(String value);
-  external AV1EncoderConfig get av1;
-  external set av1(AV1EncoderConfig value);
   external AvcEncoderConfig get avc;
   external set avc(AvcEncoderConfig value);
   external HevcEncoderConfig get hevc;
@@ -541,6 +538,7 @@ extension type VideoFrameBufferInit._(JSObject _) implements JSObject {
     int displayHeight,
     VideoColorSpaceInit colorSpace,
     JSArray<JSArrayBuffer> transfer,
+    VideoFrameMetadata metadata,
   });
 
   external VideoPixelFormat get format;
@@ -565,6 +563,8 @@ extension type VideoFrameBufferInit._(JSObject _) implements JSObject {
   external set colorSpace(VideoColorSpaceInit value);
   external JSArray<JSArrayBuffer> get transfer;
   external set transfer(JSArray<JSArrayBuffer> value);
+  external VideoFrameMetadata get metadata;
+  external set metadata(VideoFrameMetadata value);
 }
 extension type VideoFrameMetadata._(JSObject _) implements JSObject {
   VideoFrameMetadata() : _ = JSObject();
@@ -573,12 +573,18 @@ extension type VideoFrameCopyToOptions._(JSObject _) implements JSObject {
   external factory VideoFrameCopyToOptions({
     DOMRectInit rect,
     JSArray<PlaneLayout> layout,
+    VideoPixelFormat format,
+    PredefinedColorSpace colorSpace,
   });
 
   external DOMRectInit get rect;
   external set rect(DOMRectInit value);
   external JSArray<PlaneLayout> get layout;
   external set layout(JSArray<PlaneLayout> value);
+  external VideoPixelFormat get format;
+  external set format(VideoPixelFormat value);
+  external PredefinedColorSpace get colorSpace;
+  external set colorSpace(PredefinedColorSpace value);
 }
 extension type PlaneLayout._(JSObject _) implements JSObject {
   external factory PlaneLayout({
diff --git a/lib/src/dom/webcodecs_av1_codec_registration.dart b/lib/src/dom/webcodecs_av1_codec_registration.dart
index 5726e49d..ab0570b7 100644
--- a/lib/src/dom/webcodecs_av1_codec_registration.dart
+++ b/lib/src/dom/webcodecs_av1_codec_registration.dart
@@ -13,12 +13,6 @@ library;
 
 import 'dart:js_interop';
 
-extension type AV1EncoderConfig._(JSObject _) implements JSObject {
-  external factory AV1EncoderConfig({bool forceScreenContentTools});
-
-  external bool get forceScreenContentTools;
-  external set forceScreenContentTools(bool value);
-}
 extension type VideoEncoderEncodeOptionsForAv1._(JSObject _)
     implements JSObject {
   external factory VideoEncoderEncodeOptionsForAv1({int? quantizer});
diff --git a/lib/src/dom/webrtc.dart b/lib/src/dom/webrtc.dart
index 3dc267d1..1cc226ff 100644
--- a/lib/src/dom/webrtc.dart
+++ b/lib/src/dom/webrtc.dart
@@ -664,7 +664,7 @@ extension type RTCSessionDescription._(JSObject _) implements JSObject {
   /// description of the object. Both properties,
   /// [RTCSessionDescription.type] and
   /// [RTCSessionDescription.sdp], are contained in the generated JSON.
-  external JSObject toJSON();
+  external RTCSessionDescriptionInit toJSON();
 
   /// The property **`RTCSessionDescription.type`** is a read-only
   /// string value which describes the description's type.
@@ -1331,24 +1331,15 @@ extension type RTCRtpCodecParameters._(JSObject _)
 }
 extension type RTCRtpCapabilities._(JSObject _) implements JSObject {
   external factory RTCRtpCapabilities({
-    required JSArray<RTCRtpCodecCapability> codecs,
+    required JSArray<RTCRtpCodec> codecs,
     required JSArray<RTCRtpHeaderExtensionCapability> headerExtensions,
   });
 
-  external JSArray<RTCRtpCodecCapability> get codecs;
-  external set codecs(JSArray<RTCRtpCodecCapability> value);
+  external JSArray<RTCRtpCodec> get codecs;
+  external set codecs(JSArray<RTCRtpCodec> value);
   external JSArray<RTCRtpHeaderExtensionCapability> get headerExtensions;
   external set headerExtensions(JSArray<RTCRtpHeaderExtensionCapability> value);
 }
-extension type RTCRtpCodecCapability._(JSObject _)
-    implements RTCRtpCodec, JSObject {
-  external factory RTCRtpCodecCapability({
-    required String mimeType,
-    required int clockRate,
-    int channels,
-    String sdpFmtpLine,
-  });
-}
 extension type RTCRtpHeaderExtensionCapability._(JSObject _)
     implements JSObject {
   external factory RTCRtpHeaderExtensionCapability({required String uri});
@@ -1431,6 +1422,17 @@ extension type RTCRtpReceiver._(JSObject _) implements JSObject {
   /// receiver's
   /// [RTCRtpReceiver.track].
   external RTCDtlsTransport? get transport;
+
+  /// The **`jitterBufferTarget`** property of the [RTCRtpReceiver] interface is
+  /// a [DOMHighResTimeStamp] that indicates the application's preferred
+  /// duration, in milliseconds, for which the jitter buffer should hold media
+  /// before playing it out.
+  ///
+  /// The application can use it to influence the tradeoff between playout delay
+  /// and the risk of running out of audio or video frames due to network
+  /// jitter.
+  external double? get jitterBufferTarget;
+  external set jitterBufferTarget(DOMHighResTimeStamp? value);
 }
 extension type RTCRtpContributingSource._(JSObject _) implements JSObject {
   external factory RTCRtpContributingSource({
@@ -1500,7 +1502,7 @@ extension type RTCRtpTransceiver._(JSObject _) implements JSObject {
   /// A guide to codecs supported by WebRTC—and each codec's positive and
   /// negative characteristics—can be found in
   /// [Codecs used by WebRTC](https://developer.mozilla.org/en-US/docs/Web/Media/Formats/WebRTC_codecs).
-  external void setCodecPreferences(JSArray<RTCRtpCodecCapability> codecs);
+  external void setCodecPreferences(JSArray<RTCRtpCodec> codecs);
 
   /// The read-only [RTCRtpTransceiver] interface's
   /// **`mid`** property specifies the negotiated media ID
@@ -1628,7 +1630,7 @@ extension type RTCIceTransport._(JSObject _) implements EventTarget, JSObject {
   /// interface returns an [RTCIceCandidatePair] object containing the current
   /// best-choice pair of  candidates describing the configuration of the
   /// endpoints of the transport.
-  external RTCIceCandidatePair? getSelectedCandidatePair();
+  external JSObject? getSelectedCandidatePair();
 
   /// The **`getLocalParameters()`** method of the [RTCIceTransport] interface
   /// returns an [RTCIceParameters] object that provides information uniquely
@@ -1731,36 +1733,6 @@ extension type RTCIceParameters._(JSObject _) implements JSObject {
   external set iceLite(bool value);
 }
 
-/// The **`RTCIceCandidatePair`** dictionary describes a pair of ICE candidates
-/// which together comprise a description of a viable connection between two
-/// WebRTC endpoints. It is used as the return value from
-/// [RTCIceTransport.getSelectedCandidatePair] to identify the
-/// currently-selected candidate pair identified by the ICE agent.
-///
-/// ---
-///
-/// API documentation sourced from
-/// [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/API/RTCIceCandidatePair).
-extension type RTCIceCandidatePair._(JSObject _) implements JSObject {
-  external factory RTCIceCandidatePair({
-    RTCIceCandidate local,
-    RTCIceCandidate remote,
-  });
-
-  /// The **`local`** property of the **[RTCIceCandidatePair]** dictionary
-  /// specifies the [RTCIceCandidate] which describes the configuration of the
-  /// local end of a viable WebRTC connection.
-  external RTCIceCandidate get local;
-  external set local(RTCIceCandidate value);
-
-  /// The **`remote`** property of the
-  /// **[RTCIceCandidatePair]** dictionary specifies the
-  /// [RTCIceCandidate] describing the configuration of the remote end of a
-  /// viable WebRTC connection.
-  external RTCIceCandidate get remote;
-  external set remote(RTCIceCandidate value);
-}
-
 /// The
 /// [WebRTC API](https://developer.mozilla.org/en-US/docs/Web/API/WebRTC_API)
 /// interface **`RTCTrackEvent`** represents the [RTCPeerConnection.track_event]
diff --git a/lib/src/dom/webtransport.dart b/lib/src/dom/webtransport.dart
index a1f98110..6d705f68 100644
--- a/lib/src/dom/webtransport.dart
+++ b/lib/src/dom/webtransport.dart
@@ -229,6 +229,8 @@ extension type WebTransportOptions._(JSObject _) implements JSObject {
     bool requireUnreliable,
     JSArray<WebTransportHash> serverCertificateHashes,
     WebTransportCongestionControl congestionControl,
+    int? anticipatedConcurrentIncomingUnidirectionalStreams,
+    int? anticipatedConcurrentIncomingBidirectionalStreams,
   });
 
   external bool get allowPooling;
@@ -239,6 +241,10 @@ extension type WebTransportOptions._(JSObject _) implements JSObject {
   external set serverCertificateHashes(JSArray<WebTransportHash> value);
   external WebTransportCongestionControl get congestionControl;
   external set congestionControl(WebTransportCongestionControl value);
+  external int? get anticipatedConcurrentIncomingUnidirectionalStreams;
+  external set anticipatedConcurrentIncomingUnidirectionalStreams(int? value);
+  external int? get anticipatedConcurrentIncomingBidirectionalStreams;
+  external set anticipatedConcurrentIncomingBidirectionalStreams(int? value);
 }
 extension type WebTransportCloseInfo._(JSObject _) implements JSObject {
   external factory WebTransportCloseInfo({
diff --git a/tool/README.md b/tool/README.md
index 91d0d1f9..75e90fc3 100644
--- a/tool/README.md
+++ b/tool/README.md
@@ -43,9 +43,9 @@ Based on:
 <!-- START updated by tool/update_bindings.dart. Do not modify by hand -->
 | Item | Version |
 | --- | --: |
-| `@webref/css` | [6.11.0](https://www.npmjs.com/package/@webref/css/v/6.11.0) |
-| `@webref/elements` | [2.2.2](https://www.npmjs.com/package/@webref/elements/v/2.2.2) |
-| `@webref/idl` | [3.43.1](https://www.npmjs.com/package/@webref/idl/v/3.43.1) |
+| `@webref/css` | [6.12.15](https://www.npmjs.com/package/@webref/css/v/6.12.15) |
+| `@webref/elements` | [2.3.0](https://www.npmjs.com/package/@webref/elements/v/2.3.0) |
+| `@webref/idl` | [3.49.0](https://www.npmjs.com/package/@webref/idl/v/3.49.0) |
 <!-- END updated by tool/update_bindings.dart. Do not modify by hand -->
 
 For instructions on re-generating the DOM bindings, see the
diff --git a/tool/generator/package-lock.json b/tool/generator/package-lock.json
index 890d85f0..17c48320 100644
--- a/tool/generator/package-lock.json
+++ b/tool/generator/package-lock.json
@@ -19,27 +19,27 @@
       }
     },
     "node_modules/@mdn/browser-compat-data": {
-      "version": "5.5.9",
-      "resolved": "https://registry.npmjs.org/@mdn/browser-compat-data/-/browser-compat-data-5.5.9.tgz",
-      "integrity": "sha512-36jBin7kGrMn+RC/8k9IKeKvZyMweA0sDNIthUbzSGTQasfMIp2naJ1e+ISUtzu/7RrpDjRh4BkVTSO6f0XArA=="
+      "version": "5.5.35",
+      "resolved": "https://registry.npmjs.org/@mdn/browser-compat-data/-/browser-compat-data-5.5.35.tgz",
+      "integrity": "sha512-APtxt3S+a64EcXpG7E3a0bLx+CPqEcgN45FY/GEmbBBgX51AGIPkkYFy0JQDuOR0MFCozjo50q5Im74jflrkiQ=="
     },
     "node_modules/@webref/css": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.11.0.tgz",
-      "integrity": "sha512-fSG0TzVwF8S5J8P7nz+gRDZbTIrI8M4jSsiLUKU3aRC6Ojqpc7C/JsQmUNSX8OrSSEQRNK4+9Rq8J22905xcsw==",
+      "version": "6.12.15",
+      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.12.15.tgz",
+      "integrity": "sha512-OMq64wmRzvxQL+2ohfHIZ4mFY4HXzM3UrcXQTTfVU6h1T9luHyjoMqe4vO7vTw31WbvcPLU3dt8LC/OAz82mfg==",
       "peerDependencies": {
         "css-tree": "^2.3.1"
       }
     },
     "node_modules/@webref/elements": {
-      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/@webref/elements/-/elements-2.2.2.tgz",
-      "integrity": "sha512-gl6IaktIBI8xufIFozMKGjqlvRty1iZ4EuD+ksSKir6MV8Qkc1Sxy36FCbAmmyoUx6ODGFXCGu06hJJ2V+/tlg=="
+      "version": "2.3.0",
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