mdn-issue-by-spec

WHATWG-relevant MDN issues

Issues filed on MDN Web Docs related to pages attached to technologies developed by WHATWG.

• [dom] Issues with Event timeStamp documentation (2025-08-08T04:41:43Z)

• [html, ecmascript] ImageData constructor now accepts `Float16Array` as data (2025-08-05T18:31:19Z)

• [dom] HTML element, attribute, and doctype name validation rules are changing (2025-07-15T04:32:47Z)

• [dom] Node: lookupPrefix() method’s example now outputs null (2025-06-12T09:17:30Z)

• [html, requestidlecallback, css-backgrounds-4] Reference page titles are not consistent and need improvements (2025-06-11T04:16:02Z)

• [fetch] `fetch()`: What cookies are sent when `“credentials”: “include”` and `“cookies”` are set? (2025-05-18T21:35:46Z)

• [xhr] Host Permissions CORS contradiction (2025-04-17T01:59:02Z)

• [html] Mention Firefox Anti-fingerprinting on `getImageData()` page (2025-04-11T18:49:23Z)

• [html] HTMLImageElement.alt example contains no JS (2025-03-31T22:24:57Z)

• [html] Clarify image.decode() failure on lazy-loaded images (2025-02-08T00:22:15Z)

• [html] Better documentation for labelling inputs (2025-01-15T22:49:27Z)

• [html] Add documentation of new dialog light dismiss behaviors (2024-12-13T00:40:54Z)

• [html] Add accessibility considerations to the HTML “autocomplete” attribute page (2024-12-10T18:43:41Z)

• [html, uievents] Inconsistency in dragover event timing information (2024-11-07T19:25:18Z)

• [html, wai-aria-1.2] All `ElementInternals` docs for `ARIAMixin` properties are incorrect (2024-10-26T03:40:30Z)

• [html] window.postMessage needs targetOrigin=* for dataurl (2024-09-25T08:53:00Z)

• [html] Missing documentation that SharedArrayBuffers not compatible with MessagePort (2024-08-23T01:58:03Z)

• [html] Whitespace is not insignificant in HTMLImageElement.srcset (2024-08-17T15:44:16Z)

• [html, dom, uievents] Event pages: claim (or imply) that onXYZ and addEventListener are equivalent but they are not (2024-08-09T02:19:02Z)

• [html] HTMLMediaElement.currentTime: precision seems different from Date.now (2024-07-30T09:34:47Z)

• [html] Improve `messageerror` example to show a case in which the event is fired (2024-07-25T16:05:45Z)

• [html, mediacapture-streams] Unclear example of MediaStream: getTrackById() method (2024-04-29T11:34:54Z)

• [html] HTMLMediaElement/textTracks example video does not load (2024-02-13T22:47:24Z)

• [html] HTML <iframe>: allow attribute needs stand-alone topic (2024-02-09T06:10:46Z)

• [html] WebSocket constructor example should demonstrate waiting for connection or handling connection failure (2024-01-17T18:55:09Z)

• [dom] Chrome has XMLNS as default namespace (2023-10-16T08:39:40Z)

• [html] Article element in a wrong implementation (2023-09-13T12:53:45Z)

• [html] Create a `form` attribute page (2023-08-03T18:28:41Z)

• [html] HTMLImageElement.srcset: sizes attribute doesn’t need to be present (2023-06-12T21:33:46Z)

• [html] Image request fired as soon as src is set (2023-05-03T17:23:34Z)

• [html, gamepad] Double checking the gamepad docs are correct (2022-04-11T03:02:09Z)

• [service-workers-1, dom, cssom-view-1, notifications, pointerevents3] Page titles should reflect usage: crypto.getRandomValues instead of Crypto: getRandomValues() (2021-09-16T10:09:38Z)

• [html] CustomElementRegistry needs updating (2021-07-06T07:29:36Z)