LGTM3 On Monday, November 9, 2026 at 11:35:43 AM UTC-8 [email protected] wrote:
> LGTM2; thanks for filing that position request. > > On Wednesday, November 4, 2026 at 11:24:38 AM UTC-8 Mahesh Kannan wrote: > >> Filed a webkit standards position issue: >> https://github.com/WebKit/standards-positions/issues/739 and updated the >> chromestatus entry with this URL as well. >> >> On Wed, Nov 4, 2026 at 8:31 AM Chris Harrelson <[email protected]> >> wrote: >> > Actually, could you please file a webkit standards position? That way they >>> know it's a feature gap that needs support. >>> >>> On Wed, Nov 4, 2026 at 8:22 AM Philip Jägenstedt <[email protected]> >>> wrote: >>> >> LGTM1, looks a very straightforward and small addition. >>>> >>>> I see there's no WebKit standards position, but there's a bug, and >>>> since this is small, that seems like the right choice. >>>> >>>> On Tue, Nov 3, 2026 at 9:49 PM Chromestatus < >>>> [email protected]> wrote: >>>> >>> *Contact emails* >>>>> [email protected], [email protected] >>>>> >>>>> *Explainer* >>>>> https://github.com/WebAudio/web-audio-api/issues/2456 >>>>> https://github.com/WebAudio/web-audio-api/pull/2507 >>>>> >>>>> *Specification* >>>>> https://webaudio.github.io/web-audio-api/#dom-audioworklet-port >>>>> >>>>> *Design docs* >>>>> >>>>> https://developer.mozilla.org/docs/Web/API/AudioWorkletGlobalScope/port >>>>> >>>>> *Summary* >>>>> Exposes a shared MessagePort on AudioWorklet and >>>>> AudioWorkletGlobalScope. This lets web applications communicate directly >>>>> between the main thread AudioWorklet and the AudioWorkletGlobalScope >>>>> without creating a bootstrap AudioWorkletProcessor only for message >>>>> passing. >>>>> >>>>> *Blink component* >>>>> Blink>WebAudio >>>>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EWebAudio%22> >>>>> >>>>> *Web Feature ID* >>>>> audio-worklet <https://webstatus.dev/features/audio-worklet> >>>>> >>>>> *Motivation* >>>>> The Web Audio specification defines a shared MessagePort on >>>>> AudioWorklet and AudioWorkletGlobalScope. This lets web applications >>>>> communicate directly between the main thread and the >>>>> AudioWorkletGlobalScope without creating a bootstrap >>>>> AudioWorkletProcessor >>>>> or AudioWorkletNode only for message passing. Without this capability, >>>>> developers have to keep workaround code that instantiates dummy >>>>> processors >>>>> solely to transfer initialization data or control messages into the >>>>> worklet >>>>> global scope. This adds code complexity and runtime overhead, and >>>>> prevents >>>>> cleanup of compatibility hacks in upstream projects. This change aligns >>>>> Chromium with the current Web Audio specification and existing >>>>> interoperable behavior. It also restores compatibility for real-world >>>>> code >>>>> that expects audioContext.audioWorklet.port to exist, including >>>>> Emscripten-generated applications and demos such as the MOD player >>>>> discussed in the linked issue. Relevant specification and ecosystem >>>>> discussion: - https://github.com/WebAudio/web-audio-api/issues/2456 - >>>>> https://github.com/WebAudio/web-audio-api/pull/2507 - >>>>> https://github.com/emscripten-core/emscripten/pull/25354 >>>>> >>>>> *Initial public proposal* >>>>> *No information provided* >>>>> >>>>> *TAG review* >>>>> N/A - Small additive WebAudio change that already shipped in Firefox >>>>> 138. >>>>> >>>>> *TAG review status* >>>>> Not applicable >>>>> >>>>> *Goals for experimentation* >>>>> None >>>>> >>>>> *Risks* >>>>> >>>>> >>>>> *Interoperability and Compatibility* >>>>> Low Risk. This feature adds a readonly port attribute to existing >>>>> AudioWorkletGlobalScope and AudioWorklet. This feature has been defined >>>>> in >>>>> the WebAudio Spec ( >>>>> https://www.w3.org/TR/webaudio-1.1/#dom-audioworkletglobalscope-port) >>>>> and has already shipped in Firefox 138. >>>>> >>>>> *Gecko*: Shipped/Shipping ( >>>>> https://developer.mozilla.org/en-US/docs/Web/API/AudioWorkletGlobalScope/port) >>>>> Shipped >>>>> in Firefox 138 >>>>> >>>>> *WebKit*: No signal (https://bugs.webkit.org/show_bug.cgi?id=299386) >>>>> >>>>> *Web developers*: Positive ( >>>>> https://github.com/emscripten-core/emscripten/pull/25354) >>>>> >>>>> *Other signals*: >>>>> >>>>> *WebView application risks* >>>>> >>>>> Does this intent deprecate or change behavior of existing APIs, such >>>>> that it has potentially high risk for Android WebView-based applications? >>>>> No risk. Does not change WebView behaviour. Adds MessagePort to >>>>> existing WebAudio API in AudioWorklet and AudioWorkletGlobalScope. >>>>> >>>>> >>>>> *Debuggability* >>>>> AudioWorkletGlobalScope.port and AudioWorklet.port are standard >>>>> MessagePort instances and can be inspected via existing DevTools console >>>>> and script break points. >>>>> >>>>> *Will this feature be supported on all six Blink platforms (Windows, >>>>> Mac, Linux, ChromeOS, Android, and Android WebView)?* >>>>> Yes >>>>> >>>>> *Is this feature fully tested by web-platform-tests >>>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* >>>>> Yes >>>>> >>>>> https://wpt.fyi/results/webaudio/the-audio-api/the-audioworklet-interface/audioworklet-messageport.https.html >>>>> >>>>> *Flag name on about://flags* >>>>> enable-experimental-web-platform-features >>>>> >>>>> *Finch feature name* >>>>> AudioWorkletSharedPort >>>>> >>>>> *Rollout plan* >>>>> Will ship enabled for all users >>>>> >>>>> *Requires code in //chrome?* >>>>> False >>>>> >>>>> *Tracking bug* >>>>> https://issues.chromium.org/issues/446920095 >>>>> >>>>> *Estimated milestones* >>>>> Shipping on desktop 159 >>>>> Shipping on Android 159 >>>>> Shipping on WebView 159 >>>>> >>>>> *Anticipated spec changes* >>>>> >>>>> Open questions about a feature may be a source of future web compat or >>>>> interop issues. Please list open issues (e.g. links to known github >>>>> issues >>>>> in the project for the feature specification) whose resolution may >>>>> introduce web compat/interop risk (e.g., changing to naming or structure >>>>> of >>>>> the API in a non-backward-compatible way). >>>>> Already part of W3C WebAudio >>>>> https://www.w3.org/TR/webaudio-1.1/#dom-audioworkletglobalscope-port >>>>> >>>>> *Link to entry on the Chrome Platform Status* >>>>> https://chromestatus.com/feature/5079784523694080?gate=5773264841474048 >>>>> >>>>> *Links to previous Intent discussions* >>>>> Intent to Prototype: >>>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/69cca30d.050a0220.219f27.0c37.GAE%40google.com >>>>> >>>>> >>>>> This intent message was generated by Chrome Platform Status >>>>> <https://chromestatus.com>. >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "blink-dev" group. >>>>> >>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>> >>>> >>>>> To view this discussion visit >>>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/6aea48de.e5ec2bf0.2ba4f6.01b9.GAE%40google.com >>>>> >>>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/6aea48de.e5ec2bf0.2ba4f6.01b9.GAE%40google.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "blink-dev" group. >>>> >>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>> >>> >>>> To view this discussion visit >>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAARdPYfW-0fCTt9YyegVLhmcQStH%3Dpn3p%2BSjT8mcYdTR3Ek%2B-Q%40mail.gmail.com >>>> >>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAARdPYfW-0fCTt9YyegVLhmcQStH%3Dpn3p%2BSjT8mcYdTR3Ek%2B-Q%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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