Sure. Thank you! 2025年10月7日(火) 3:17 Alex Russell <[email protected]>:
> Happy to hear that you've got increased interest! > > LGTM1, with the usual OT extension caveat that if you get the data you > need before the end of 145, it would be great to see an I2S for this sooner > rather than later. > > Best, > > Alex > > On Thursday, October 2, 2025 at 12:35:09 AM UTC-7 Chromestatus wrote: > >> *Contact emails* >> [email protected], [email protected] >> >> *Explainer* >> >> https://gist.github.com/domenic/c5bd38339f33b49120ae11b3b4af5b9b#file-1-explainer-md >> >> *Specification* >> None >> >> *Summary* >> This adds a new option, `extendedLifetime: true`, to the `SharedWorker` >> constructor. This requests that the shared worker be kept alive even after >> all current clients have unloaded. The primary use case is to allow pages >> to perform asynchronous work that requires JavaScript after a page unloads, >> without needing to rely on a service worker. >> >> *Blink component* >> Blink>Workers >> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EWorkers%22> >> >> *Web Feature ID* >> shared-workers <https://webstatus.dev/features/shared-workers> >> >> *TAG review* >> https://github.com/w3ctag/design-reviews/issues/1089 >> >> *TAG review status* >> Pending >> >> *Origin Trial Name* >> Extended lifetime shared workers >> >> *Chromium Trial Name* >> SharedWorkerExtendedLifetime >> >> *Origin Trial documentation link* >> >> https://gist.github.com/domenic/c5bd38339f33b49120ae11b3b4af5b9b#file-1-explainer-md >> >> *WebFeature UseCounter name* >> kSharedWorkerExtendedLifetimeFeatureEnabled >> >> *Risks* >> >> >> *Interoperability and Compatibility* >> We intend to specify that the lifetime timeout for these shared workers >> be extended in the same way as service workers. Because the exact timeout >> of service workers is left implementation-defined, it's possible that code >> using this new feature could be non-interoperable. However, this has so far >> not proved to be a major problem in practice for service workers. >> >> *Gecko*: No signal ( >> https://github.com/mozilla/standards-positions/issues/1227) Some >> unofficial tentative positive signals and engagement in the proposal issue. >> >> *WebKit*: No signal ( >> https://github.com/WebKit/standards-positions/issues/492) Some >> unofficial tentative negative signals in the proposal issue. >> >> *Web developers*: Positive The problem of wanting to perform >> asynchronous work during unload is well-known, with the service worker >> workaround currently deployed, including by Google properties. >> >> *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? >> None >> >> >> *Goals for experimentation* >> >> >> *Reason this experiment is being extended* >> Developer participation in the Origin Trial has increased significantly, >> with most of the growth occurring since mid-September. As this momentum is >> recent, an extension is needed to allow developers sufficient time to >> conduct thorough experiments and to provide us with more comprehensive >> usage data and insights. To aid developers in their experimentation, we >> have also improved debuggability. The chrome://inspect/#workers page now >> indicates when a SharedWorker is using the extendedLifetime option. >> Separately, the standardization process is progressing well. The >> corresponding pull request to the WHATWG HTML specification ( >> https://github.com/whatwg/html/pull/11600) is under review and has >> received positive signals, including an LGTM from Mozilla. Extending the >> trial will allow this real-world testing to continue while the >> specification solidifies. >> >> *Ongoing technical constraints* >> None >> >> *Debuggability* >> The chrome://inspect/#workers page indicates when a SharedWorker is using >> the extendedLifetime option. >> >> *Will this feature be supported on all six Blink platforms (Windows, Mac, >> Linux, ChromeOS, Android, and Android WebView)?* >> NoShared workers are not yet supported on Android and Android WebView. >> However, we are concurrently working on enabling them there, and when we >> do, this feature will also be supported. >> >> *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/workers/tentative/SharedWorker-extendedLifetime.html >> >> *Flag name on about://flags* >> None >> >> *Finch feature name* >> SharedWorkerExtendedLifetime >> >> *Requires code in //chrome?* >> False >> >> *Tracking bug* >> https://issues.chromium.org/issues/400473072 >> >> *Estimated milestones* >> Origin trial desktop first 139 >> Origin trial desktop last 142 >> Origin trial extension 1 end milestone 145 >> >> *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). >> We are currently discussing some details in preparation for >> specification. The exact nature of how the lifetime extension works with >> regard to non-window clients, particularly, has only recently reached a >> tentative conclusion. >> >> *Link to entry on the Chrome Platform Status* >> https://chromestatus.com/feature/5138641357373440?gate=5106410035740672 >> >> *Links to previous Intent discussions* >> Intent to Experiment: >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/6862683f.170a0220.16d1bf.0122.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. 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