[pull] master from DefinitelyTyped:master

docs/support-window.json

@@ -49,5 +49,6 @@
   "5.7": "2024-11-22T17:16:09.621Z",
   "5.8": "2025-02-28T16:52:08.252Z",
   "5.9": "2025-07-31T17:54:06.216Z",
-  "6.0": "2026-03-23T16:14:45.521Z"
+  "6.0": "2026-03-23T16:14:45.521Z",
+  "7.0": "2026-07-08T15:55:18.431Z"
 }

package.json

@@ -44,7 +44,7 @@
         "remark-gfm": "^4.0.0",
         "remark-validate-links": "^13.0.0",
         "risk": "^0.0.4",
-        "typescript": "next"
+        "typescript": "<7"
     },
     "pnpm": {
         "overrides": {

types/dom-mediacapture-transform/dom-mediacapture-transform-tests.ts

@@ -118,6 +118,12 @@ async function topLevel() {
         // field.
         const processor = new MediaStreamTrackProcessor({ track: generator });
 
+        // $ExpectType number
+        processor.discardedFrames;
+
+        // $ExpectType number
+        processor.totalFrames;
+
         // $ExpectType ReadableStreamDefaultReader<VideoFrame>
         const reader = processor.readable.getReader();
 

types/dom-mediacapture-transform/index.d.ts

@@ -42,6 +42,13 @@ interface MediaStreamTrackProcessor<T extends AudioData | VideoFrame> {
     readonly readable: ReadableStream<T>;
     /** Allows sending control signals to the MediaStreamTrack provided to the constructor. */
     readonly writableControl: WritableStream<MediaStreamTrackSignal>;
+    /** The number of frames discarded by this MediaStreamTrackProcessor. */
+    readonly discardedFrames: number;
+    /**
+     * The number of frames received by this MediaStreamTrackProcessor including
+     * discarded frames.
+     */
+    readonly totalFrames: number;
 }
 
 declare var MediaStreamTrackProcessor: {