*> Specification* *> https://github.com/whatwg/html/pull/11620 <https://github.com/whatwg/html/pull/11620>*
Is anything blocking this spec PR from landing? > *Interoperability and Compatibility* *No information provided* Since this would change a shipped API, can you comment on the compatibility risk? Is there a possibility that sites already using the feature could be affected? -- Dan On Friday, September 18, 2026 at 3:04:11 AM UTC-7 [email protected] wrote: > *Contact emails* > [email protected] > > *Specification* > https://github.com/whatwg/html/pull/11620 > > *Summary* > When fetching rel=compression-dictionary links: > - Use "compression-dictionary" as request destination. > - Properly set request's mode, credentials, referrer and referrerpolicy. > - Take into account crossorigin and referrer attributes from <link > rel="compression-dictionary">. > > *Blink component* > Blink>Network > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ENetwork%22> > > *Web Feature ID* > compression-dictionary-transport > <https://webstatus.dev/features/compression-dictionary-transport> > > *Motivation* > Compression Dictionary Transport was shipped in Chromium 130. Recently > Mozilla and Igalia worked on some implementation in Firefox and WebKit, > quite a bunch of tests have been added and the spec has been updated. This > intent to ship is to catch up with the latest changes. > > *Initial public proposal* > *No information provided* > > *TAG review* > *No information provided* > > *TAG review status* > Not applicable > > *Goals for experimentation* > None > > *Risks* > > > *Interoperability and Compatibility* > *No information provided* > > *Gecko*: Mozilla is implementing Compression dictionary transport and > will have to align with the changes to make the test pass. > > *WebKit*: Igalia is currently upstreaming their implementation and we are > aligned with these changes. > > *Web developers*: No signals > > *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 information provided* > > > *Debuggability* > *No information provided* > > *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, see > > > https://wpt.fyi/results/fetch/compression-dictionary/fetch-destination.tentative.https.html > > https://wpt.fyi/results/fetch/compression-dictionary/dictionary-fetch-with-link-element-crossorigin.tentative.https.html > > https://wpt.fyi/results/fetch/compression-dictionary/dictionary-fetch-with-link-referrer-and-referrerpolicy.tentative.https.html > > *Flag name on about://flags* > *No information provided* > > *Finch feature name* > CDTNewDestination, CDTNewCrossOriginHandling, > CDTNewReferrerAndReferrerPolicyHandling > > *Rollout plan* > Will ship enabled for all users > > *Requires code in //chrome?* > False > > *Tracking bug* > https://issues.chromium.org/issues/40255884 > > *Estimated milestones* > Shipping on desktop 156 > > *Anticipated spec changes* > The spec PRs are still being reviewed and firefox/webkit implementation is > still in progress, so more changes may happen in the future. However, the > three changes here seems uncontroversial they basically align > rel=compression-dictionary links with what is done for other kind of links. > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/4895435813683200?gate=6090572807929856 > > 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/88adfa14-d5af-4c7e-9ad5-68797b1ecd20n%40chromium.org.
