LGTM1 Thanks for catching us up here!
On Fri, Feb 16, 2024 at 4:15 PM Patrick Meenan <[email protected]> wrote: > Contact [email protected] > > ExplainerNone > > Specificationhttps://datatracker.ietf.org/doc/rfc9218 > > Summary > > This feature adds the 'priority' request header for all HTTP requests with > the priority information for the request at the time that it was sent. RFC > 9218 (Extensible Prioritization Scheme for HTTP) defines a 'priority' HTTP > request header to use for signaling request priority to origins (and > intermediaries). It also defines negotiation processes and protocol-level > frames for HTTP/2 and HTTP/3 to carry the same priority information. The > header can only signal the initial priority for a resource when it was > first requested while the frame-based mechanisms allow for modifying the > priority after the fact. The header can operate end-to-end to the origin > servers (and provide a mechanism for the origin to override the priority if > recognized by intermediaries) while the frames are limited to operating on > a link level. This feature is specifically for supporting the header-based > prioritization scheme. > > > Blink componentBlink>Network > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ENetwork> > > TAG reviewNone > > TAG review statusNot applicable > > Risks > > > Interoperability and Compatibility > > None > *Gecko*: Shipped/Shipping > *WebKit*: Shipped/Shipping > Any links to shipping artifacts? > *Web developers*: No signals > *Other signals*: > > Security > > The priority information for a given request is already exposed in HTTP/2 > and HTTP/3 in the frame-based priority fields (and weights in HTTP/2). This > moves the same information directly into the headers for HTTP/2 and HTTP/3 > only. > > 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 > > > Debuggability > > The "Priority" header is exposed in both the Dev Tools network panel (in > the Request Headers) and in the Netlog. > > 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> > ?No > > Request priorities are not standardized so the values themselves are not > testable across browsers. The presence of the header at all requires HTTP/3 > (or HTTP/2 for Chrome) which is not something that is currently possible to > test in WPT. > > Flag name on chrome://flags > > Finch feature namePriorityHeader > > Requires code in //chrome?False > > Tracking bughttps://bugs.chromium.org/p/chromium/issues/detail?id=1404785 > > MeasurementN/A > > Availability expectationFeature will be available on all browsers once > Chromium ships (already available in Safari and Firefox). > > Adoption expectationN/A > > Adoption planN/A > > Non-OSS dependencies > > Does the feature depend on any code or APIs outside the Chromium open > source repository and its open-source dependencies to function? > None > > Estimated milestones > Shipping on desktop 124 > OriginTrial desktop last 122 > OriginTrial desktop first 120 > DevTrial on desktop 119 > Shipping on Android 124 > OriginTrial Android last 122 > OriginTrial Android first 120 > DevTrial on Android 119 > Shipping on WebView 124 > OriginTrial webView last 122 > OriginTrial webView first 120 > > Anticipated spec changes > > None > > Link to entry on the Chrome Platform Status > https://chromestatus.com/feature/5109106573049856 > > Links to previous Intent discussionsIntent to prototype: > https://groups.google.com/a/chromium.org/g/blink-dev/c/eEeDzwtw5v0 Intent > to Experiment: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPq58w5KJijit8ObBhWKzCnLjro7jSfAsxfPPZ66NwmTO_ZT%3Dg%40mail.gmail.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 on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPq58w47qFBfznZH%3Ditr7-whRu3irmCTUxrpxKM5ySA%3DoA-yOg%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPq58w47qFBfznZH%3Ditr7-whRu3irmCTUxrpxKM5ySA%3DoA-yOg%40mail.gmail.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 on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSKo9gBFFxwtstWATWsM1q0ZXEs4WkokDPF5K2ETRa9X3A%40mail.gmail.com.
