diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index ce55651bd..60f6bcf5e 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -190,6 +190,10 @@ interface CanvasRenderingContext2DSettings {
     willReadFrequently?: boolean;
 }
 
+interface CaretPositionFromPointOptions {
+    shadowRoots?: ShadowRoot[];
+}
+
 interface ChannelMergerOptions extends AudioNodeOptions {
     numberOfInputs?: number;
 }
@@ -685,15 +689,18 @@ interface IntersectionObserverEntryInit {
     intersectionRatio: number;
     intersectionRect: DOMRectInit;
     isIntersecting: boolean;
+    isVisible: boolean;
     rootBounds: DOMRectInit | null;
     target: Element;
     time: DOMHighResTimeStamp;
 }
 
 interface IntersectionObserverInit {
+    delay?: number;
     root?: Element | Document | null;
     rootMargin?: string;
     threshold?: number | number[];
+    trackVisibility?: boolean;
 }
 
 interface JsonWebKey {
@@ -899,6 +906,7 @@ interface MediaStreamTrackEventInit extends EventInit {
 interface MediaTrackCapabilities {
     aspectRatio?: DoubleRange;
     autoGainControl?: boolean[];
+    backgroundBlur?: boolean[];
     channelCount?: ULongRange;
     deviceId?: string;
     displaySurface?: string;
@@ -916,6 +924,7 @@ interface MediaTrackCapabilities {
 interface MediaTrackConstraintSet {
     aspectRatio?: ConstrainDouble;
     autoGainControl?: ConstrainBoolean;
+    backgroundBlur?: ConstrainBoolean;
     channelCount?: ConstrainULong;
     deviceId?: ConstrainDOMString;
     displaySurface?: ConstrainDOMString;
@@ -937,6 +946,7 @@ interface MediaTrackConstraints extends MediaTrackConstraintSet {
 interface MediaTrackSettings {
     aspectRatio?: number;
     autoGainControl?: boolean;
+    backgroundBlur?: boolean;
     channelCount?: number;
     deviceId?: string;
     displaySurface?: string;
@@ -954,6 +964,7 @@ interface MediaTrackSettings {
 interface MediaTrackSupportedConstraints {
     aspectRatio?: boolean;
     autoGainControl?: boolean;
+    backgroundBlur?: boolean;
     channelCount?: boolean;
     deviceId?: boolean;
     displaySurface?: boolean;
@@ -2223,6 +2234,8 @@ interface ARIAMixin {
     ariaColCount: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaColIndex) */
     ariaColIndex: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaColIndexText) */
+    ariaColIndexText: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaColSpan) */
     ariaColSpan: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaCurrent) */
@@ -2270,6 +2283,8 @@ interface ARIAMixin {
     ariaRowCount: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRowIndex) */
     ariaRowIndex: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRowIndexText) */
+    ariaRowIndexText: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRowSpan) */
     ariaRowSpan: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaSelected) */
@@ -3133,6 +3148,8 @@ interface Blob {
     readonly type: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/arrayBuffer) */
     arrayBuffer(): Promise<ArrayBuffer>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/bytes) */
+    bytes(): Promise<Uint8Array>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/slice) */
     slice(start?: number, end?: number, contentType?: string): Blob;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/stream) */
@@ -3168,6 +3185,8 @@ interface Body {
     arrayBuffer(): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/blob) */
     blob(): Promise<Blob>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/bytes) */
+    bytes(): Promise<Uint8Array>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/formData) */
     formData(): Promise<FormData>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/json) */
@@ -4109,9 +4128,11 @@ interface CSSStyleDeclaration {
     columns: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/contain) */
     contain: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/contain-intrinsic-block-size) */
     containIntrinsicBlockSize: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/contain-intrinsic-height) */
     containIntrinsicHeight: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/contain-intrinsic-inline-size) */
     containIntrinsicInlineSize: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/contain-intrinsic-size) */
     containIntrinsicSize: string;
@@ -4139,7 +4160,9 @@ interface CSSStyleDeclaration {
     cssText: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/cursor) */
     cursor: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/cx) */
     cx: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/cy) */
     cy: string;
     d: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/direction) */
@@ -4489,6 +4512,7 @@ interface CSSStyleDeclaration {
     printColorAdjust: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/quotes) */
     quotes: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/r) */
     r: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/resize) */
     resize: string;
@@ -4498,9 +4522,13 @@ interface CSSStyleDeclaration {
     rotate: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/row-gap) */
     rowGap: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/ruby-align) */
+    rubyAlign: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/ruby-position) */
     rubyPosition: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/rx) */
     rx: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/ry) */
     ry: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/scale) */
     scale: string;
@@ -5629,6 +5657,18 @@ interface CanvasUserInterface {
     drawFocusIfNeeded(path: Path2D, element: Element): void;
 }
 
+/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CaretPosition) */
+interface CaretPosition {
+    readonly offset: number;
+    readonly offsetNode: Node;
+    getClientRect(): DOMRect | null;
+}
+
+declare var CaretPosition: {
+    prototype: CaretPosition;
+    new(): CaretPosition;
+};
+
 /**
  * The ChannelMergerNode interface, often used in conjunction with its opposite, ChannelSplitterNode, reunites different mono inputs into a single output. Each input is used to fill a channel of the output. This is useful for accessing each channels separately, e.g. for performing channel mixing where gain must be separately controlled on each channel.
  *
@@ -6148,27 +6188,49 @@ declare var DOMImplementation: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix) */
 interface DOMMatrix extends DOMMatrixReadOnly {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     a: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     b: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     c: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     d: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     e: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     f: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m11: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m12: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m13: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m14: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m21: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m22: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m23: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m24: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m31: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m32: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m33: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m34: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m41: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m42: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m43: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m44: number;
     invertSelf(): DOMMatrix;
     multiplySelf(other?: DOMMatrixInit): DOMMatrix;
@@ -6200,29 +6262,51 @@ declare var WebKitCSSMatrix: typeof DOMMatrix;
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly) */
 interface DOMMatrixReadOnly {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly a: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly b: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly c: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly d: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly e: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly f: number;
     readonly is2D: boolean;
     readonly isIdentity: boolean;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m11: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m12: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m13: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m14: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m21: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m22: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m23: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m24: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m31: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m32: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m33: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m34: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m41: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m42: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m43: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m44: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/flipX) */
     flipX(): DOMMatrix;
@@ -7100,6 +7184,8 @@ interface Document extends Node, DocumentOrShadowRoot, FontFaceSource, GlobalEve
     adoptNode<T extends Node>(node: T): T;
     /** @deprecated */
     captureEvents(): void;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/caretPositionFromPoint) */
+    caretPositionFromPoint(x: number, y: number, options?: CaretPositionFromPointOptions): CaretPosition | null;
     /** @deprecated */
     caretRangeFromPoint(x: number, y: number): Range | null;
     /**
@@ -7687,6 +7773,8 @@ interface Element extends Node, ARIAMixin, Animatable, ChildNode, NonDocumentTyp
     readonly clientTop: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/clientWidth) */
     readonly clientWidth: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/currentCSSZoom) */
+    readonly currentCSSZoom: number;
     /**
      * Returns the value of element's id content attribute. Can be set to change it.
      *
@@ -8647,7 +8735,7 @@ interface FontFaceSet extends EventTarget {
 
 declare var FontFaceSet: {
     prototype: FontFaceSet;
-    new(initialFaces: FontFace[]): FontFaceSet;
+    new(): FontFaceSet;
 };
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSetLoadEvent) */
@@ -8797,6 +8885,7 @@ declare var GamepadEvent: {
 interface GamepadHapticActuator {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadHapticActuator/playEffect) */
     playEffect(type: GamepadHapticEffectType, params?: GamepadEffectParameters): Promise<GamepadHapticsResult>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/GamepadHapticActuator/reset) */
     reset(): Promise<GamepadHapticsResult>;
 }
 
@@ -9645,7 +9734,11 @@ declare var HTMLBRElement: {
  * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLBaseElement)
  */
 interface HTMLBaseElement extends HTMLElement {
-    /** Gets or sets the baseline URL on which relative links are based. */
+    /**
+     * Gets or sets the baseline URL on which relative links are based.
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLBaseElement/href)
+     */
     href: string;
     /**
      * Sets or retrieves the window or frame at which to target content.
@@ -10052,6 +10145,7 @@ interface HTMLElement extends Element, ElementCSSInlineStyle, ElementContentEdit
     title: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/translate) */
     translate: boolean;
+    writingSuggestions: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/attachInternals) */
     attachInternals(): ElementInternals;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/click) */
@@ -11117,7 +11211,11 @@ interface HTMLLinkElement extends HTMLElement, LinkStyle {
     disabled: boolean;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/fetchPriority) */
     fetchPriority: string;
-    /** Sets or retrieves a destination URL or an anchor point. */
+    /**
+     * Sets or retrieves a destination URL or an anchor point.
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/href)
+     */
     href: string;
     /**
      * Sets or retrieves the language code of the object.
@@ -11129,7 +11227,11 @@ interface HTMLLinkElement extends HTMLElement, LinkStyle {
     imageSrcset: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/integrity) */
     integrity: string;
-    /** Sets or retrieves the media type. */
+    /**
+     * Sets or retrieves the media type.
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/media)
+     */
     media: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLLinkElement/referrerPolicy) */
     referrerPolicy: string;
@@ -11175,7 +11277,11 @@ declare var HTMLLinkElement: {
  * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMapElement)
  */
 interface HTMLMapElement extends HTMLElement {
-    /** Retrieves a collection of the area objects defined for the given map object. */
+    /**
+     * Retrieves a collection of the area objects defined for the given map object.
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLMapElement/areas)
+     */
     readonly areas: HTMLCollection;
     /**
      * Sets or retrieves the name of the object.
@@ -12330,6 +12436,8 @@ interface HTMLTableCaptionElement extends HTMLElement {
     /**
      * Sets or retrieves the alignment of the caption or legend.
      * @deprecated
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableCaptionElement/align)
      */
     align: string;
     addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableCaptionElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
@@ -12692,6 +12800,8 @@ interface HTMLTableRowElement extends HTMLElement {
     /**
      * Sets or retrieves how the object is aligned with adjacent text.
      * @deprecated
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/align)
      */
     align: string;
     /**
@@ -12730,7 +12840,11 @@ interface HTMLTableRowElement extends HTMLElement {
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/sectionRowIndex)
      */
     readonly sectionRowIndex: number;
-    /** @deprecated */
+    /**
+     * @deprecated
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableRowElement/vAlign)
+     */
     vAlign: string;
     /**
      * Removes the specified cell from the table row, as well as from the cells collection.
@@ -12766,6 +12880,8 @@ interface HTMLTableSectionElement extends HTMLElement {
     /**
      * Sets or retrieves a value that indicates the table alignment.
      * @deprecated
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement/align)
      */
     align: string;
     /**
@@ -12786,7 +12902,11 @@ interface HTMLTableSectionElement extends HTMLElement {
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement/rows)
      */
     readonly rows: HTMLCollectionOf<HTMLTableRowElement>;
-    /** @deprecated */
+    /**
+     * @deprecated
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLTableSectionElement/vAlign)
+     */
     vAlign: string;
     /**
      * Removes the specified row (tr) from the element and from the rows collection.
@@ -14769,6 +14889,7 @@ declare var MediaKeySystemAccess: {
 interface MediaKeys {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeys/createSession) */
     createSession(sessionType?: MediaKeySessionType): MediaKeySession;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeys/getStatusForPolicy) */
     getStatusForPolicy(policy?: MediaKeysPolicy): Promise<MediaKeyStatus>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaKeys/setServerCertificate) */
     setServerCertificate(serverCertificate: BufferSource): Promise<boolean>;
@@ -16377,6 +16498,7 @@ declare var OffscreenCanvas: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvasRenderingContext2D) */
 interface OffscreenCanvasRenderingContext2D extends CanvasCompositing, CanvasDrawImage, CanvasDrawPath, CanvasFillStrokeStyles, CanvasFilters, CanvasImageData, CanvasImageSmoothing, CanvasPath, CanvasPathDrawingStyles, CanvasRect, CanvasShadowStyles, CanvasState, CanvasText, CanvasTextDrawingStyles, CanvasTransform {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/canvas) */
     readonly canvas: OffscreenCanvas;
 }
 
@@ -16965,6 +17087,8 @@ interface PerformanceResourceTiming extends PerformanceEntry {
     readonly responseEnd: DOMHighResTimeStamp;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseStart) */
     readonly responseStart: DOMHighResTimeStamp;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseStatus) */
+    readonly responseStatus: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/secureConnectionStart) */
     readonly secureConnectionStart: DOMHighResTimeStamp;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/serverTiming) */
@@ -21588,7 +21712,7 @@ interface SubtleCrypto {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/decrypt) */
     decrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/deriveBits) */
-    deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length: number): Promise<ArrayBuffer>;
+    deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length?: number | null): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/deriveKey) */
     deriveKey(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, derivedKeyType: AlgorithmIdentifier | AesDerivedKeyParams | HmacImportParams | HkdfParams | Pbkdf2Params, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKey>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/digest) */
@@ -21753,11 +21877,27 @@ declare var TextEncoderStream: {
     new(): TextEncoderStream;
 };
 
+/**
+ * @deprecated
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEvent)
+ */
 interface TextEvent extends UIEvent {
+    /**
+     * @deprecated
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEvent/data)
+     */
     readonly data: string;
+    /**
+     * @deprecated
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/TextEvent/initTextEvent)
+     */
     initTextEvent(type: string, bubbles?: boolean, cancelable?: boolean, view?: Window | null, data?: string): void;
 }
 
+/** @deprecated */
 declare var TextEvent: {
     prototype: TextEvent;
     new(): TextEvent;
@@ -22493,6 +22633,7 @@ declare var VTTRegion: {
 interface ValidityState {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/badInput) */
     readonly badInput: boolean;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/customError) */
     readonly customError: boolean;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/patternMismatch) */
     readonly patternMismatch: boolean;
@@ -22508,6 +22649,7 @@ interface ValidityState {
     readonly tooShort: boolean;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/typeMismatch) */
     readonly typeMismatch: boolean;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/valid) */
     readonly valid: boolean;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ValidityState/valueMissing) */
     readonly valueMissing: boolean;
@@ -25760,7 +25902,7 @@ interface WindowOrWorkerGlobalScope {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/createImageBitmap) */
     createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>;
     createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>;
-    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/fetch) */
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Window/fetch) */
     fetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/queueMicrotask) */
     queueMicrotask(callback: VoidFunction): void;
@@ -26149,7 +26291,11 @@ declare var XPathEvaluator: {
 interface XPathEvaluatorBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createExpression) */
     createExpression(expression: string, resolver?: XPathNSResolver | null): XPathExpression;
-    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createNSResolver) */
+    /**
+     * @deprecated
+     *
+     * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/createNSResolver)
+     */
     createNSResolver(nodeResolver: Node): Node;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Document/evaluate) */
     evaluate(expression: string, contextNode: Node, resolver?: XPathNSResolver | null, type?: number, result?: XPathResult | null): XPathResult;
@@ -27796,7 +27942,7 @@ declare function clearTimeout(id: number | undefined): void;
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/createImageBitmap) */
 declare function createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>;
 declare function createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>;
-/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/fetch) */
+/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Window/fetch) */
 declare function fetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/queueMicrotask) */
 declare function queueMicrotask(callback: VoidFunction): void;
@@ -27881,7 +28027,7 @@ type ReportList = Report[];
 type RequestInfo = Request | string;
 type TexImageSource = ImageBitmap | ImageData | HTMLImageElement | HTMLCanvasElement | HTMLVideoElement | OffscreenCanvas | VideoFrame;
 type TimerHandler = string | Function;
-type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | MediaSourceHandle | ReadableStream | WritableStream | TransformStream | VideoFrame | ArrayBuffer;
+type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | MediaSourceHandle | ReadableStream | WritableStream | TransformStream | VideoFrame | MIDIAccess | ArrayBuffer;
 type Uint32List = Uint32Array | GLuint[];
 type VibratePattern = number | number[];
 type WindowProxy = Window;
@@ -27977,7 +28123,7 @@ type MediaKeySessionClosedReason = "closed-by-application" | "hardware-context-r
 type MediaKeySessionType = "persistent-license" | "temporary";
 type MediaKeyStatus = "expired" | "internal-error" | "output-downscaled" | "output-restricted" | "released" | "status-pending" | "usable" | "usable-in-future";
 type MediaKeysRequirement = "not-allowed" | "optional" | "required";
-type MediaSessionAction = "nexttrack" | "pause" | "play" | "previoustrack" | "seekbackward" | "seekforward" | "seekto" | "skipad" | "stop";
+type MediaSessionAction = "nexttrack" | "pause" | "play" | "previoustrack" | "seekbackward" | "seekforward" | "seekto" | "skipad" | "stop" | "voiceactivity";
 type MediaSessionPlaybackState = "none" | "paused" | "playing";
 type MediaStreamTrackState = "ended" | "live";
 type NavigationTimingType = "back_forward" | "navigate" | "prerender" | "reload";
diff --git a/baselines/serviceworker.generated.d.ts b/baselines/serviceworker.generated.d.ts
index 5cdec8941..ab484df5d 100644
--- a/baselines/serviceworker.generated.d.ts
+++ b/baselines/serviceworker.generated.d.ts
@@ -346,6 +346,14 @@ interface LockOptions {
     steal?: boolean;
 }
 
+interface MIDIConnectionEventInit extends EventInit {
+    port?: MIDIPort;
+}
+
+interface MIDIMessageEventInit extends EventInit {
+    data?: Uint8Array;
+}
+
 interface MediaCapabilitiesDecodingInfo extends MediaCapabilitiesInfo {
     configuration?: MediaDecodingConfiguration;
 }
@@ -855,6 +863,8 @@ interface Blob {
     readonly type: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/arrayBuffer) */
     arrayBuffer(): Promise<ArrayBuffer>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/bytes) */
+    bytes(): Promise<Uint8Array>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/slice) */
     slice(start?: number, end?: number, contentType?: string): Blob;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/stream) */
@@ -877,6 +887,8 @@ interface Body {
     arrayBuffer(): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/blob) */
     blob(): Promise<Blob>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/bytes) */
+    bytes(): Promise<Uint8Array>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/formData) */
     formData(): Promise<FormData>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/json) */
@@ -1809,27 +1821,49 @@ declare var DOMException: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix) */
 interface DOMMatrix extends DOMMatrixReadOnly {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     a: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     b: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     c: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     d: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     e: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     f: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m11: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m12: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m13: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m14: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m21: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m22: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m23: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m24: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m31: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m32: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m33: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m34: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m41: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m42: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m43: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m44: number;
     invertSelf(): DOMMatrix;
     multiplySelf(other?: DOMMatrixInit): DOMMatrix;
@@ -1854,29 +1888,51 @@ declare var DOMMatrix: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly) */
 interface DOMMatrixReadOnly {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly a: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly b: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly c: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly d: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly e: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly f: number;
     readonly is2D: boolean;
     readonly isIdentity: boolean;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m11: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m12: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m13: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m14: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m21: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m22: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m23: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m24: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m31: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m32: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m33: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m34: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m41: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m42: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m43: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m44: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/flipX) */
     flipX(): DOMMatrix;
@@ -2694,7 +2750,7 @@ interface FontFaceSet extends EventTarget {
 
 declare var FontFaceSet: {
     prototype: FontFaceSet;
-    new(initialFaces: FontFace[]): FontFaceSet;
+    new(): FontFaceSet;
 };
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSetLoadEvent) */
@@ -3577,6 +3633,176 @@ declare var LockManager: {
     new(): LockManager;
 };
 
+interface MIDIAccessEventMap {
+    "statechange": Event;
+}
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess)
+ */
+interface MIDIAccess extends EventTarget {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/inputs) */
+    readonly inputs: MIDIInputMap;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/statechange_event) */
+    onstatechange: ((this: MIDIAccess, ev: Event) => any) | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/outputs) */
+    readonly outputs: MIDIOutputMap;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/sysexEnabled) */
+    readonly sysexEnabled: boolean;
+    addEventListener<K extends keyof MIDIAccessEventMap>(type: K, listener: (this: MIDIAccess, ev: MIDIAccessEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIAccessEventMap>(type: K, listener: (this: MIDIAccess, ev: MIDIAccessEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIAccess: {
+    prototype: MIDIAccess;
+    new(): MIDIAccess;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIConnectionEvent)
+ */
+interface MIDIConnectionEvent extends Event {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIConnectionEvent/port) */
+    readonly port: MIDIPort | null;
+}
+
+declare var MIDIConnectionEvent: {
+    prototype: MIDIConnectionEvent;
+    new(type: string, eventInitDict?: MIDIConnectionEventInit): MIDIConnectionEvent;
+};
+
+interface MIDIInputEventMap extends MIDIPortEventMap {
+    "midimessage": MIDIMessageEvent;
+}
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInput)
+ */
+interface MIDIInput extends MIDIPort {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInput/midimessage_event) */
+    onmidimessage: ((this: MIDIInput, ev: MIDIMessageEvent) => any) | null;
+    addEventListener<K extends keyof MIDIInputEventMap>(type: K, listener: (this: MIDIInput, ev: MIDIInputEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIInputEventMap>(type: K, listener: (this: MIDIInput, ev: MIDIInputEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIInput: {
+    prototype: MIDIInput;
+    new(): MIDIInput;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInputMap)
+ */
+interface MIDIInputMap {
+    forEach(callbackfn: (value: MIDIInput, key: string, parent: MIDIInputMap) => void, thisArg?: any): void;
+}
+
+declare var MIDIInputMap: {
+    prototype: MIDIInputMap;
+    new(): MIDIInputMap;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIMessageEvent)
+ */
+interface MIDIMessageEvent extends Event {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIMessageEvent/data) */
+    readonly data: Uint8Array | null;
+}
+
+declare var MIDIMessageEvent: {
+    prototype: MIDIMessageEvent;
+    new(type: string, eventInitDict?: MIDIMessageEventInit): MIDIMessageEvent;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput)
+ */
+interface MIDIOutput extends MIDIPort {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput/send) */
+    send(data: number[], timestamp?: DOMHighResTimeStamp): void;
+    addEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIOutput, ev: MIDIPortEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIOutput, ev: MIDIPortEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIOutput: {
+    prototype: MIDIOutput;
+    new(): MIDIOutput;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutputMap)
+ */
+interface MIDIOutputMap {
+    forEach(callbackfn: (value: MIDIOutput, key: string, parent: MIDIOutputMap) => void, thisArg?: any): void;
+}
+
+declare var MIDIOutputMap: {
+    prototype: MIDIOutputMap;
+    new(): MIDIOutputMap;
+};
+
+interface MIDIPortEventMap {
+    "statechange": MIDIConnectionEvent;
+}
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort)
+ */
+interface MIDIPort extends EventTarget {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/connection) */
+    readonly connection: MIDIPortConnectionState;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/id) */
+    readonly id: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/manufacturer) */
+    readonly manufacturer: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/name) */
+    readonly name: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/statechange_event) */
+    onstatechange: ((this: MIDIPort, ev: MIDIConnectionEvent) => any) | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/state) */
+    readonly state: MIDIPortDeviceState;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/type) */
+    readonly type: MIDIPortType;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/version) */
+    readonly version: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/close) */
+    close(): Promise<MIDIPort>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/open) */
+    open(): Promise<MIDIPort>;
+    addEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIPort, ev: MIDIPortEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIPort, ev: MIDIPortEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIPort: {
+    prototype: MIDIPort;
+    new(): MIDIPort;
+};
+
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaCapabilities) */
 interface MediaCapabilities {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaCapabilities/decodingInfo) */
@@ -4036,6 +4262,7 @@ declare var OffscreenCanvas: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvasRenderingContext2D) */
 interface OffscreenCanvasRenderingContext2D extends CanvasCompositing, CanvasDrawImage, CanvasDrawPath, CanvasFillStrokeStyles, CanvasFilters, CanvasImageData, CanvasImageSmoothing, CanvasPath, CanvasPathDrawingStyles, CanvasRect, CanvasShadowStyles, CanvasState, CanvasText, CanvasTextDrawingStyles, CanvasTransform {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/canvas) */
     readonly canvas: OffscreenCanvas;
 }
 
@@ -4229,6 +4456,8 @@ interface PerformanceResourceTiming extends PerformanceEntry {
     readonly responseEnd: DOMHighResTimeStamp;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseStart) */
     readonly responseStart: DOMHighResTimeStamp;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseStatus) */
+    readonly responseStatus: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/secureConnectionStart) */
     readonly secureConnectionStart: DOMHighResTimeStamp;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/serverTiming) */
@@ -4379,6 +4608,8 @@ interface PushMessageData {
     arrayBuffer(): ArrayBuffer;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushMessageData/blob) */
     blob(): Blob;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushMessageData/bytes) */
+    bytes(): Uint8Array;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushMessageData/json) */
     json(): any;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushMessageData/text) */
@@ -4971,7 +5202,7 @@ interface SubtleCrypto {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/decrypt) */
     decrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/deriveBits) */
-    deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length: number): Promise<ArrayBuffer>;
+    deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length?: number | null): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/deriveKey) */
     deriveKey(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, derivedKeyType: AlgorithmIdentifier | AesDerivedKeyParams | HmacImportParams | HkdfParams | Pbkdf2Params, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKey>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/digest) */
@@ -7918,7 +8149,7 @@ interface WindowOrWorkerGlobalScope {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/createImageBitmap) */
     createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>;
     createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>;
-    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/fetch) */
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Window/fetch) */
     fetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/queueMicrotask) */
     queueMicrotask(callback: VoidFunction): void;
@@ -8481,7 +8712,7 @@ declare function clearTimeout(id: number | undefined): void;
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/createImageBitmap) */
 declare function createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>;
 declare function createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>;
-/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/fetch) */
+/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Window/fetch) */
 declare function fetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/queueMicrotask) */
 declare function queueMicrotask(callback: VoidFunction): void;
@@ -8545,7 +8776,7 @@ type ReportList = Report[];
 type RequestInfo = Request | string;
 type TexImageSource = ImageBitmap | ImageData | OffscreenCanvas;
 type TimerHandler = string | Function;
-type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | ReadableStream | WritableStream | TransformStream | ArrayBuffer;
+type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | ReadableStream | WritableStream | TransformStream | MIDIAccess | ArrayBuffer;
 type Uint32List = Uint32Array | GLuint[];
 type XMLHttpRequestBodyInit = Blob | BufferSource | FormData | URLSearchParams | string;
 type BinaryType = "arraybuffer" | "blob";
@@ -8584,6 +8815,9 @@ type KeyFormat = "jwk" | "pkcs8" | "raw" | "spki";
 type KeyType = "private" | "public" | "secret";
 type KeyUsage = "decrypt" | "deriveBits" | "deriveKey" | "encrypt" | "sign" | "unwrapKey" | "verify" | "wrapKey";
 type LockMode = "exclusive" | "shared";
+type MIDIPortConnectionState = "closed" | "open" | "pending";
+type MIDIPortDeviceState = "connected" | "disconnected";
+type MIDIPortType = "input" | "output";
 type MediaDecodingType = "file" | "media-source" | "webrtc";
 type MediaEncodingType = "record" | "webrtc";
 type NotificationDirection = "auto" | "ltr" | "rtl";
diff --git a/baselines/serviceworker.iterable.generated.d.ts b/baselines/serviceworker.iterable.generated.d.ts
index 61c3fe9dd..d3176da34 100644
--- a/baselines/serviceworker.iterable.generated.d.ts
+++ b/baselines/serviceworker.iterable.generated.d.ts
@@ -94,6 +94,17 @@ interface IDBObjectStore {
     createIndex(name: string, keyPath: string | Iterable<string>, options?: IDBIndexParameters): IDBIndex;
 }
 
+interface MIDIInputMap extends ReadonlyMap<string, MIDIInput> {
+}
+
+interface MIDIOutput {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput/send) */
+    send(data: Iterable<number>, timestamp?: DOMHighResTimeStamp): void;
+}
+
+interface MIDIOutputMap extends ReadonlyMap<string, MIDIOutput> {
+}
+
 interface MessageEvent<T = any> {
     /** @deprecated */
     initMessageEvent(type: string, bubbles?: boolean, cancelable?: boolean, data?: any, origin?: string, lastEventId?: string, source?: MessageEventSource | null, ports?: Iterable<MessagePort>): void;
diff --git a/baselines/sharedworker.generated.d.ts b/baselines/sharedworker.generated.d.ts
index 9ad14b70f..95ac6118a 100644
--- a/baselines/sharedworker.generated.d.ts
+++ b/baselines/sharedworker.generated.d.ts
@@ -321,6 +321,14 @@ interface LockOptions {
     steal?: boolean;
 }
 
+interface MIDIConnectionEventInit extends EventInit {
+    port?: MIDIPort;
+}
+
+interface MIDIMessageEventInit extends EventInit {
+    data?: Uint8Array;
+}
+
 interface MediaCapabilitiesDecodingInfo extends MediaCapabilitiesInfo {
     configuration?: MediaDecodingConfiguration;
 }
@@ -827,6 +835,8 @@ interface Blob {
     readonly type: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/arrayBuffer) */
     arrayBuffer(): Promise<ArrayBuffer>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/bytes) */
+    bytes(): Promise<Uint8Array>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/slice) */
     slice(start?: number, end?: number, contentType?: string): Blob;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/stream) */
@@ -849,6 +859,8 @@ interface Body {
     arrayBuffer(): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/blob) */
     blob(): Promise<Blob>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/bytes) */
+    bytes(): Promise<Uint8Array>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/formData) */
     formData(): Promise<FormData>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/json) */
@@ -1736,27 +1748,49 @@ declare var DOMException: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix) */
 interface DOMMatrix extends DOMMatrixReadOnly {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     a: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     b: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     c: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     d: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     e: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     f: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m11: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m12: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m13: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m14: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m21: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m22: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m23: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m24: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m31: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m32: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m33: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m34: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m41: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m42: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m43: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m44: number;
     invertSelf(): DOMMatrix;
     multiplySelf(other?: DOMMatrixInit): DOMMatrix;
@@ -1781,29 +1815,51 @@ declare var DOMMatrix: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly) */
 interface DOMMatrixReadOnly {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly a: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly b: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly c: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly d: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly e: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly f: number;
     readonly is2D: boolean;
     readonly isIdentity: boolean;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m11: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m12: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m13: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m14: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m21: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m22: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m23: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m24: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m31: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m32: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m33: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m34: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m41: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m42: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m43: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m44: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/flipX) */
     flipX(): DOMMatrix;
@@ -2583,7 +2639,7 @@ interface FontFaceSet extends EventTarget {
 
 declare var FontFaceSet: {
     prototype: FontFaceSet;
-    new(initialFaces: FontFace[]): FontFaceSet;
+    new(): FontFaceSet;
 };
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSetLoadEvent) */
@@ -3466,6 +3522,176 @@ declare var LockManager: {
     new(): LockManager;
 };
 
+interface MIDIAccessEventMap {
+    "statechange": Event;
+}
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess)
+ */
+interface MIDIAccess extends EventTarget {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/inputs) */
+    readonly inputs: MIDIInputMap;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/statechange_event) */
+    onstatechange: ((this: MIDIAccess, ev: Event) => any) | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/outputs) */
+    readonly outputs: MIDIOutputMap;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/sysexEnabled) */
+    readonly sysexEnabled: boolean;
+    addEventListener<K extends keyof MIDIAccessEventMap>(type: K, listener: (this: MIDIAccess, ev: MIDIAccessEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIAccessEventMap>(type: K, listener: (this: MIDIAccess, ev: MIDIAccessEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIAccess: {
+    prototype: MIDIAccess;
+    new(): MIDIAccess;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIConnectionEvent)
+ */
+interface MIDIConnectionEvent extends Event {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIConnectionEvent/port) */
+    readonly port: MIDIPort | null;
+}
+
+declare var MIDIConnectionEvent: {
+    prototype: MIDIConnectionEvent;
+    new(type: string, eventInitDict?: MIDIConnectionEventInit): MIDIConnectionEvent;
+};
+
+interface MIDIInputEventMap extends MIDIPortEventMap {
+    "midimessage": MIDIMessageEvent;
+}
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInput)
+ */
+interface MIDIInput extends MIDIPort {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInput/midimessage_event) */
+    onmidimessage: ((this: MIDIInput, ev: MIDIMessageEvent) => any) | null;
+    addEventListener<K extends keyof MIDIInputEventMap>(type: K, listener: (this: MIDIInput, ev: MIDIInputEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIInputEventMap>(type: K, listener: (this: MIDIInput, ev: MIDIInputEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIInput: {
+    prototype: MIDIInput;
+    new(): MIDIInput;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInputMap)
+ */
+interface MIDIInputMap {
+    forEach(callbackfn: (value: MIDIInput, key: string, parent: MIDIInputMap) => void, thisArg?: any): void;
+}
+
+declare var MIDIInputMap: {
+    prototype: MIDIInputMap;
+    new(): MIDIInputMap;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIMessageEvent)
+ */
+interface MIDIMessageEvent extends Event {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIMessageEvent/data) */
+    readonly data: Uint8Array | null;
+}
+
+declare var MIDIMessageEvent: {
+    prototype: MIDIMessageEvent;
+    new(type: string, eventInitDict?: MIDIMessageEventInit): MIDIMessageEvent;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput)
+ */
+interface MIDIOutput extends MIDIPort {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput/send) */
+    send(data: number[], timestamp?: DOMHighResTimeStamp): void;
+    addEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIOutput, ev: MIDIPortEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIOutput, ev: MIDIPortEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIOutput: {
+    prototype: MIDIOutput;
+    new(): MIDIOutput;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutputMap)
+ */
+interface MIDIOutputMap {
+    forEach(callbackfn: (value: MIDIOutput, key: string, parent: MIDIOutputMap) => void, thisArg?: any): void;
+}
+
+declare var MIDIOutputMap: {
+    prototype: MIDIOutputMap;
+    new(): MIDIOutputMap;
+};
+
+interface MIDIPortEventMap {
+    "statechange": MIDIConnectionEvent;
+}
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort)
+ */
+interface MIDIPort extends EventTarget {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/connection) */
+    readonly connection: MIDIPortConnectionState;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/id) */
+    readonly id: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/manufacturer) */
+    readonly manufacturer: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/name) */
+    readonly name: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/statechange_event) */
+    onstatechange: ((this: MIDIPort, ev: MIDIConnectionEvent) => any) | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/state) */
+    readonly state: MIDIPortDeviceState;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/type) */
+    readonly type: MIDIPortType;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/version) */
+    readonly version: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/close) */
+    close(): Promise<MIDIPort>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/open) */
+    open(): Promise<MIDIPort>;
+    addEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIPort, ev: MIDIPortEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIPort, ev: MIDIPortEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIPort: {
+    prototype: MIDIPort;
+    new(): MIDIPort;
+};
+
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaCapabilities) */
 interface MediaCapabilities {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaCapabilities/decodingInfo) */
@@ -3908,6 +4134,7 @@ declare var OffscreenCanvas: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvasRenderingContext2D) */
 interface OffscreenCanvasRenderingContext2D extends CanvasCompositing, CanvasDrawImage, CanvasDrawPath, CanvasFillStrokeStyles, CanvasFilters, CanvasImageData, CanvasImageSmoothing, CanvasPath, CanvasPathDrawingStyles, CanvasRect, CanvasShadowStyles, CanvasState, CanvasText, CanvasTextDrawingStyles, CanvasTransform {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/canvas) */
     readonly canvas: OffscreenCanvas;
 }
 
@@ -4101,6 +4328,8 @@ interface PerformanceResourceTiming extends PerformanceEntry {
     readonly responseEnd: DOMHighResTimeStamp;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseStart) */
     readonly responseStart: DOMHighResTimeStamp;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseStatus) */
+    readonly responseStatus: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/secureConnectionStart) */
     readonly secureConnectionStart: DOMHighResTimeStamp;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/serverTiming) */
@@ -4780,7 +5009,7 @@ interface SubtleCrypto {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/decrypt) */
     decrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/deriveBits) */
-    deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length: number): Promise<ArrayBuffer>;
+    deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length?: number | null): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/deriveKey) */
     deriveKey(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, derivedKeyType: AlgorithmIdentifier | AesDerivedKeyParams | HmacImportParams | HkdfParams | Pbkdf2Params, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKey>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/digest) */
@@ -7710,7 +7939,7 @@ interface WindowOrWorkerGlobalScope {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/createImageBitmap) */
     createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>;
     createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>;
-    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/fetch) */
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Window/fetch) */
     fetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/queueMicrotask) */
     queueMicrotask(callback: VoidFunction): void;
@@ -8487,7 +8716,7 @@ declare function clearTimeout(id: number | undefined): void;
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/createImageBitmap) */
 declare function createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>;
 declare function createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>;
-/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/fetch) */
+/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Window/fetch) */
 declare function fetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/queueMicrotask) */
 declare function queueMicrotask(callback: VoidFunction): void;
@@ -8550,7 +8779,7 @@ type ReportList = Report[];
 type RequestInfo = Request | string;
 type TexImageSource = ImageBitmap | ImageData | OffscreenCanvas;
 type TimerHandler = string | Function;
-type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | ReadableStream | WritableStream | TransformStream | ArrayBuffer;
+type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | ReadableStream | WritableStream | TransformStream | MIDIAccess | ArrayBuffer;
 type Uint32List = Uint32Array | GLuint[];
 type XMLHttpRequestBodyInit = Blob | BufferSource | FormData | URLSearchParams | string;
 type BinaryType = "arraybuffer" | "blob";
@@ -8587,6 +8816,9 @@ type KeyFormat = "jwk" | "pkcs8" | "raw" | "spki";
 type KeyType = "private" | "public" | "secret";
 type KeyUsage = "decrypt" | "deriveBits" | "deriveKey" | "encrypt" | "sign" | "unwrapKey" | "verify" | "wrapKey";
 type LockMode = "exclusive" | "shared";
+type MIDIPortConnectionState = "closed" | "open" | "pending";
+type MIDIPortDeviceState = "connected" | "disconnected";
+type MIDIPortType = "input" | "output";
 type MediaDecodingType = "file" | "media-source" | "webrtc";
 type MediaEncodingType = "record" | "webrtc";
 type NotificationDirection = "auto" | "ltr" | "rtl";
diff --git a/baselines/sharedworker.iterable.generated.d.ts b/baselines/sharedworker.iterable.generated.d.ts
index bf594e6a5..ad4ee45fa 100644
--- a/baselines/sharedworker.iterable.generated.d.ts
+++ b/baselines/sharedworker.iterable.generated.d.ts
@@ -94,6 +94,17 @@ interface IDBObjectStore {
     createIndex(name: string, keyPath: string | Iterable<string>, options?: IDBIndexParameters): IDBIndex;
 }
 
+interface MIDIInputMap extends ReadonlyMap<string, MIDIInput> {
+}
+
+interface MIDIOutput {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput/send) */
+    send(data: Iterable<number>, timestamp?: DOMHighResTimeStamp): void;
+}
+
+interface MIDIOutputMap extends ReadonlyMap<string, MIDIOutput> {
+}
+
 interface MessageEvent<T = any> {
     /** @deprecated */
     initMessageEvent(type: string, bubbles?: boolean, cancelable?: boolean, data?: any, origin?: string, lastEventId?: string, source?: MessageEventSource | null, ports?: Iterable<MessagePort>): void;
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
index fd3efc674..236c7a810 100644
--- a/baselines/webworker.generated.d.ts
+++ b/baselines/webworker.generated.d.ts
@@ -365,6 +365,14 @@ interface LockOptions {
     steal?: boolean;
 }
 
+interface MIDIConnectionEventInit extends EventInit {
+    port?: MIDIPort;
+}
+
+interface MIDIMessageEventInit extends EventInit {
+    data?: Uint8Array;
+}
+
 interface MediaCapabilitiesDecodingInfo extends MediaCapabilitiesInfo {
     configuration?: MediaDecodingConfiguration;
 }
@@ -1002,6 +1010,8 @@ interface Blob {
     readonly type: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/arrayBuffer) */
     arrayBuffer(): Promise<ArrayBuffer>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/bytes) */
+    bytes(): Promise<Uint8Array>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/slice) */
     slice(start?: number, end?: number, contentType?: string): Blob;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Blob/stream) */
@@ -1024,6 +1034,8 @@ interface Body {
     arrayBuffer(): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/blob) */
     blob(): Promise<Blob>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/bytes) */
+    bytes(): Promise<Uint8Array>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/formData) */
     formData(): Promise<FormData>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/json) */
@@ -1956,27 +1968,49 @@ declare var DOMException: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix) */
 interface DOMMatrix extends DOMMatrixReadOnly {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     a: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     b: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     c: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     d: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     e: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     f: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m11: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m12: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m13: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m14: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m21: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m22: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m23: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m24: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m31: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m32: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m33: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m34: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m41: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m42: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m43: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrix#instance_properties) */
     m44: number;
     invertSelf(): DOMMatrix;
     multiplySelf(other?: DOMMatrixInit): DOMMatrix;
@@ -2001,29 +2035,51 @@ declare var DOMMatrix: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly) */
 interface DOMMatrixReadOnly {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly a: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly b: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly c: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly d: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly e: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly f: number;
     readonly is2D: boolean;
     readonly isIdentity: boolean;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m11: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m12: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m13: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m14: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m21: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m22: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m23: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m24: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m31: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m32: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m33: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m34: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m41: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m42: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m43: number;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly#instance_properties) */
     readonly m44: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/flipX) */
     flipX(): DOMMatrix;
@@ -2960,7 +3016,7 @@ interface FontFaceSet extends EventTarget {
 
 declare var FontFaceSet: {
     prototype: FontFaceSet;
-    new(initialFaces: FontFace[]): FontFaceSet;
+    new(): FontFaceSet;
 };
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/FontFaceSetLoadEvent) */
@@ -3843,6 +3899,176 @@ declare var LockManager: {
     new(): LockManager;
 };
 
+interface MIDIAccessEventMap {
+    "statechange": Event;
+}
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess)
+ */
+interface MIDIAccess extends EventTarget {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/inputs) */
+    readonly inputs: MIDIInputMap;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/statechange_event) */
+    onstatechange: ((this: MIDIAccess, ev: Event) => any) | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/outputs) */
+    readonly outputs: MIDIOutputMap;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIAccess/sysexEnabled) */
+    readonly sysexEnabled: boolean;
+    addEventListener<K extends keyof MIDIAccessEventMap>(type: K, listener: (this: MIDIAccess, ev: MIDIAccessEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIAccessEventMap>(type: K, listener: (this: MIDIAccess, ev: MIDIAccessEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIAccess: {
+    prototype: MIDIAccess;
+    new(): MIDIAccess;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIConnectionEvent)
+ */
+interface MIDIConnectionEvent extends Event {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIConnectionEvent/port) */
+    readonly port: MIDIPort | null;
+}
+
+declare var MIDIConnectionEvent: {
+    prototype: MIDIConnectionEvent;
+    new(type: string, eventInitDict?: MIDIConnectionEventInit): MIDIConnectionEvent;
+};
+
+interface MIDIInputEventMap extends MIDIPortEventMap {
+    "midimessage": MIDIMessageEvent;
+}
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInput)
+ */
+interface MIDIInput extends MIDIPort {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInput/midimessage_event) */
+    onmidimessage: ((this: MIDIInput, ev: MIDIMessageEvent) => any) | null;
+    addEventListener<K extends keyof MIDIInputEventMap>(type: K, listener: (this: MIDIInput, ev: MIDIInputEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIInputEventMap>(type: K, listener: (this: MIDIInput, ev: MIDIInputEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIInput: {
+    prototype: MIDIInput;
+    new(): MIDIInput;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIInputMap)
+ */
+interface MIDIInputMap {
+    forEach(callbackfn: (value: MIDIInput, key: string, parent: MIDIInputMap) => void, thisArg?: any): void;
+}
+
+declare var MIDIInputMap: {
+    prototype: MIDIInputMap;
+    new(): MIDIInputMap;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIMessageEvent)
+ */
+interface MIDIMessageEvent extends Event {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIMessageEvent/data) */
+    readonly data: Uint8Array | null;
+}
+
+declare var MIDIMessageEvent: {
+    prototype: MIDIMessageEvent;
+    new(type: string, eventInitDict?: MIDIMessageEventInit): MIDIMessageEvent;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput)
+ */
+interface MIDIOutput extends MIDIPort {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput/send) */
+    send(data: number[], timestamp?: DOMHighResTimeStamp): void;
+    addEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIOutput, ev: MIDIPortEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIOutput, ev: MIDIPortEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIOutput: {
+    prototype: MIDIOutput;
+    new(): MIDIOutput;
+};
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutputMap)
+ */
+interface MIDIOutputMap {
+    forEach(callbackfn: (value: MIDIOutput, key: string, parent: MIDIOutputMap) => void, thisArg?: any): void;
+}
+
+declare var MIDIOutputMap: {
+    prototype: MIDIOutputMap;
+    new(): MIDIOutputMap;
+};
+
+interface MIDIPortEventMap {
+    "statechange": MIDIConnectionEvent;
+}
+
+/**
+ * Available only in secure contexts.
+ *
+ * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort)
+ */
+interface MIDIPort extends EventTarget {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/connection) */
+    readonly connection: MIDIPortConnectionState;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/id) */
+    readonly id: string;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/manufacturer) */
+    readonly manufacturer: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/name) */
+    readonly name: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/statechange_event) */
+    onstatechange: ((this: MIDIPort, ev: MIDIConnectionEvent) => any) | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/state) */
+    readonly state: MIDIPortDeviceState;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/type) */
+    readonly type: MIDIPortType;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/version) */
+    readonly version: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/close) */
+    close(): Promise<MIDIPort>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIPort/open) */
+    open(): Promise<MIDIPort>;
+    addEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIPort, ev: MIDIPortEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof MIDIPortEventMap>(type: K, listener: (this: MIDIPort, ev: MIDIPortEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var MIDIPort: {
+    prototype: MIDIPort;
+    new(): MIDIPort;
+};
+
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaCapabilities) */
 interface MediaCapabilities {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaCapabilities/decodingInfo) */
@@ -4322,6 +4548,7 @@ declare var OffscreenCanvas: {
 
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/OffscreenCanvasRenderingContext2D) */
 interface OffscreenCanvasRenderingContext2D extends CanvasCompositing, CanvasDrawImage, CanvasDrawPath, CanvasFillStrokeStyles, CanvasFilters, CanvasImageData, CanvasImageSmoothing, CanvasPath, CanvasPathDrawingStyles, CanvasRect, CanvasShadowStyles, CanvasState, CanvasText, CanvasTextDrawingStyles, CanvasTransform {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/canvas) */
     readonly canvas: OffscreenCanvas;
 }
 
@@ -4515,6 +4742,8 @@ interface PerformanceResourceTiming extends PerformanceEntry {
     readonly responseEnd: DOMHighResTimeStamp;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseStart) */
     readonly responseStart: DOMHighResTimeStamp;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/responseStatus) */
+    readonly responseStatus: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/secureConnectionStart) */
     readonly secureConnectionStart: DOMHighResTimeStamp;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/serverTiming) */
@@ -4665,6 +4894,8 @@ interface PushMessageData {
     arrayBuffer(): ArrayBuffer;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushMessageData/blob) */
     blob(): Blob;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushMessageData/bytes) */
+    bytes(): Uint8Array;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushMessageData/json) */
     json(): any;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/PushMessageData/text) */
@@ -5350,7 +5581,7 @@ interface SubtleCrypto {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/decrypt) */
     decrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/deriveBits) */
-    deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length: number): Promise<ArrayBuffer>;
+    deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length?: number | null): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/deriveKey) */
     deriveKey(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, derivedKeyType: AlgorithmIdentifier | AesDerivedKeyParams | HmacImportParams | HkdfParams | Pbkdf2Params, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKey>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/SubtleCrypto/digest) */
@@ -8436,7 +8667,7 @@ interface WindowOrWorkerGlobalScope {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/createImageBitmap) */
     createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>;
     createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>;
-    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/fetch) */
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Window/fetch) */
     fetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/queueMicrotask) */
     queueMicrotask(callback: VoidFunction): void;
@@ -9240,7 +9471,7 @@ declare function clearTimeout(id: number | undefined): void;
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/createImageBitmap) */
 declare function createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>;
 declare function createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>;
-/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/fetch) */
+/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Window/fetch) */
 declare function fetch(input: RequestInfo | URL, init?: RequestInit): Promise<Response>;
 /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/queueMicrotask) */
 declare function queueMicrotask(callback: VoidFunction): void;
@@ -9308,7 +9539,7 @@ type ReportList = Report[];
 type RequestInfo = Request | string;
 type TexImageSource = ImageBitmap | ImageData | OffscreenCanvas | VideoFrame;
 type TimerHandler = string | Function;
-type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | MediaSourceHandle | ReadableStream | WritableStream | TransformStream | VideoFrame | ArrayBuffer;
+type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | MediaSourceHandle | ReadableStream | WritableStream | TransformStream | VideoFrame | MIDIAccess | ArrayBuffer;
 type Uint32List = Uint32Array | GLuint[];
 type XMLHttpRequestBodyInit = Blob | BufferSource | FormData | URLSearchParams | string;
 type AlphaOption = "discard" | "keep";
@@ -9353,6 +9584,9 @@ type KeyType = "private" | "public" | "secret";
 type KeyUsage = "decrypt" | "deriveBits" | "deriveKey" | "encrypt" | "sign" | "unwrapKey" | "verify" | "wrapKey";
 type LatencyMode = "quality" | "realtime";
 type LockMode = "exclusive" | "shared";
+type MIDIPortConnectionState = "closed" | "open" | "pending";
+type MIDIPortDeviceState = "connected" | "disconnected";
+type MIDIPortType = "input" | "output";
 type MediaDecodingType = "file" | "media-source" | "webrtc";
 type MediaEncodingType = "record" | "webrtc";
 type NotificationDirection = "auto" | "ltr" | "rtl";
diff --git a/baselines/webworker.iterable.generated.d.ts b/baselines/webworker.iterable.generated.d.ts
index 56feaa215..7cf17d6f6 100644
--- a/baselines/webworker.iterable.generated.d.ts
+++ b/baselines/webworker.iterable.generated.d.ts
@@ -94,6 +94,17 @@ interface IDBObjectStore {
     createIndex(name: string, keyPath: string | Iterable<string>, options?: IDBIndexParameters): IDBIndex;
 }
 
+interface MIDIInputMap extends ReadonlyMap<string, MIDIInput> {
+}
+
+interface MIDIOutput {
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/MIDIOutput/send) */
+    send(data: Iterable<number>, timestamp?: DOMHighResTimeStamp): void;
+}
+
+interface MIDIOutputMap extends ReadonlyMap<string, MIDIOutput> {
+}
+
 interface MessageEvent<T = any> {
     /** @deprecated */
     initMessageEvent(type: string, bubbles?: boolean, cancelable?: boolean, data?: any, origin?: string, lastEventId?: string, source?: MessageEventSource | null, ports?: Iterable<MessagePort>): void;
diff --git a/package-lock.json b/package-lock.json
index b15a88147..34de3f8f9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -260,9 +260,9 @@
       }
     },
     "node_modules/@mdn/browser-compat-data": {
-      "version": "5.5.36",
-      "resolved": "https://registry.npmjs.org/@mdn/browser-compat-data/-/browser-compat-data-5.5.36.tgz",
-      "integrity": "sha512-iPM4MKJaztppo2RlbZuPaneX/I09grYl4fCGG9hQ6gLAIcfrihdOAYmKFnlRG9krVJOUogbeMFBhh9vrN7CZqw==",
+      "version": "5.5.42",
+      "resolved": "https://registry.npmjs.org/@mdn/browser-compat-data/-/browser-compat-data-5.5.42.tgz",
+      "integrity": "sha512-qhHVgb2dxaFNT00Z1upHaDCstUEjjrgtIkrk4tr+YnDSGbTIKncbdydIpSed+RCXz0f6nb4UDD4eKEWokNom6g==",
       "dev": true
     },
     "node_modules/@nodelib/fs.scandir": {
@@ -836,9 +836,9 @@
       "dev": true
     },
     "node_modules/@webref/css": {
-      "version": "6.12.15",
-      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.12.15.tgz",
-      "integrity": "sha512-OMq64wmRzvxQL+2ohfHIZ4mFY4HXzM3UrcXQTTfVU6h1T9luHyjoMqe4vO7vTw31WbvcPLU3dt8LC/OAz82mfg==",
+      "version": "6.14.0",
+      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.14.0.tgz",
+      "integrity": "sha512-TINJdJXcq/TpGD78Qosjzt9Un0Hw6giqJgq1PkCvNpvS5D16UeMrKeR/nS8lt+xBPkAylusXdYt390YiBgUMXA==",
       "dev": true,
       "peerDependencies": {
         "css-tree": "^2.3.1"
@@ -851,9 +851,9 @@
       "dev": true
     },
     "node_modules/@webref/idl": {
-      "version": "3.49.0",
-      "resolved": "https://registry.npmjs.org/@webref/idl/-/idl-3.49.0.tgz",
-      "integrity": "sha512-KWLG4p2njOYsAcuImD6tCpf+71dAfGNziSsbt1inVjdh2YOR6/rtPxL0Bmd6NFoUwaRD28zoCnN/vrPHe5+eDg==",
+      "version": "3.52.0",
+      "resolved": "https://registry.npmjs.org/@webref/idl/-/idl-3.52.0.tgz",
+      "integrity": "sha512-sFo11HDgDowucHWn37fJn/m4MfH/TQknlZc7zZoH6KCRfRzmYndGFKvb4Toy4ywbhU79LqbexZFp/v8/AFi9TA==",
       "dev": true,
       "peerDependencies": {
         "webidl2": "^24.4.1"