*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>.
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