LGTM2 On Wed, Mar 6, 2024 at 7:23 PM Mike Taylor <miketa...@chromium.org> wrote:
> LGTM1 > On 3/6/24 11:00 AM, Vladimir Levin wrote: > > Re failing tests: > The flag is currently in "test" status > <https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/platform/runtime_enabled_features.json5;l=1420;drc=3690cd7872423e81e74dc66f9886e355a7c1b659> > which > I don't believe would be picked up by wpt.fyi experimental run. > > Re explainer for non-vt cases: > We added several other examples > <https://github.com/WICG/view-transitions/blob/main/document-render-blocking.md#other-use-cases> > to the explainer (thanks Noam!) > > Re console warning: > Good catch indeed. We'll make sure to address > https://issues.chromium.org/issues/328279707 in a timely manner. > > <webperfwg hat on> I'd also strongly encourage y'all to also add some reporting on that front. +Ian Clelland <iclell...@google.com> FYI > > > On Wed, Mar 6, 2024 at 10:18 AM Jake Archibald <jaffathec...@gmail.com> > wrote: > >> The design of this looks great. Filed a couple of very minor spec nuts >> https://github.com/whatwg/html/issues/10180 > > > Thanks! 🔩 > > >> >> >> On Monday 4 March 2024 at 16:36:43 UTC vmp...@chromium.org wrote: >> >>> Contact emails vmp...@chromium.org, nrose...@chromium.org >>> >>> Explainer >>> https://github.com/WICG/view-transitions/blob/main/document-render-blocking.md#blocking-element-id >>> >>> Specification >>> https://html.spec.whatwg.org/multipage/links.html#link-type-expect >>> >>> Summary >>> >>> This feature enables authors to block rendering of a Document until the >>> critical content has been parsed, ensuring a consistent first paint across >>> all browsers. Without this feature, the first paint's state depends on the >>> heuristics for parser yielding which can vary across browsers. This is >>> particularly important for View Transitions where the parsed DOM state on >>> the first frame can drastically change the transition created. Note that >>> this feature specifically implements a `<link rel=expect href="#id">` >>> syntax that allows a link element to reference another expected element on >>> the page. The rendering is then blocked until the expected element is fully >>> parsed. This supersedes previous implementation of html attribute that >>> allows the whole document to be render blocked. >>> >>> >>> Blink component Blink>ViewTransitions>MPA >>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EViewTransitions%3EMPA> >>> >>> TAG review https://github.com/w3ctag/design-reviews/issues/886 >>> >>> TAG review status Issues addressed >>> >>> Risks >>> >>> >>> Interoperability and Compatibility >>> >>> None >>> >>> >>> *Gecko*: Positive ( >>> https://github.com/mozilla/standards-positions/issues/875) >>> >>> *WebKit*: No signal ( >>> https://github.com/WebKit/standards-positions/issues/245) >>> >>> *Web developers*: Positive (https://github.com/whatwg/html/issues/9332) >>> There are some discussions between implementors and developers on this >>> issue. This feature is also a requisite feature for cross-document View >>> Transition adoption, which has strong positive signals ( >>> https://daverupert.com/2023/05/getting-started-view-transitions/). >>> >>> *Other signals*: >>> >>> Ergonomics >>> >>> This feature would be used frequently with cross-document View >>> Transitions, because it allows the browser to wait for necessary content to >>> be parsed. >>> >>> >>> Activation >>> >>> This feature can be used directly. >>> >>> >>> 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? >>> >>> There are no WebView application risks >>> >>> >>> Debuggability >>> >>> None >>> >>> >>> 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/html/dom/render-blocking?label=master&label=experimental&aligned&q=element-render-blocking >>> Note that we will be renaming these from .tentative shortly >>> >>> >>> Flag name on chrome://flags None >>> >>> Finch feature name DocumentRenderBlocking >>> >>> Requires code in //chrome? False >>> >>> Adoption expectation This feature is expected to be adopted by >>> developers using cross-document View Transitions >>> >>> Estimated milestones >>> Shipping on desktop 124 >>> Shipping on Android 124 >>> Shipping on WebView 124 >>> >>> 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). >>> None >>> >>> Link to entry on the Chrome Platform Status >>> https://chromestatus.com/feature/5113053598711808 >>> >>> Links to previous Intent discussions Intent to prototype: >>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAMLuWUzNfD4MRk0bR1yTZ5F6NzcpETrUU3Vy9GmANZRQd7%3DE4A%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 blink-dev+unsubscr...@chromium.org. > To view this discussion on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADsXd2N7%3D1bHWub6UwxgfvSVdrukfhNTDbWaniW88a4rxxd%2BJw%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADsXd2N7%3D1bHWub6UwxgfvSVdrukfhNTDbWaniW88a4rxxd%2BJw%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 blink-dev+unsubscr...@chromium.org. > To view this discussion on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/03e4d6cc-b1f5-43f2-825c-f6c8eb28f006%40chromium.org > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/03e4d6cc-b1f5-43f2-825c-f6c8eb28f006%40chromium.org?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 blink-dev+unsubscr...@chromium.org. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSLfsS7ZDG3Pe%2B4DDCqT%3DZaRicOvzD5Pwmm544tcFwWP9A%40mail.gmail.com.