On Thu, Jul 6, 2023 at 7:28 AM 'Yuzu Saijo' via blink-dev < blink-dev@chromium.org> wrote:
> Contact emails > > yu...@google.com, yu...@chromium.org, fer...@chromium.org > > Explainer > > > https://github.com/WICG/bfcache-not-restored-reason/blob/main/NotRestoredReason.md > > Specification > > https://github.com/whatwg/html/pull/9360 > > Design docs > > > https://github.com/WICG/bfcache-not-restored-reason/blob/main/NotRestoredReason.md > > Summary > > NotRestoredReason API will report the list of reasons why a page is not > served from BFcache in a frame tree structure, via > PerformanceNavigationTiming API. > > > Blink component > > UI>Browser>Navigation>BFCache > <https://bugs.chromium.org/p/chromium/issues/list?q=component:UI%3EBrowser%3ENavigation%3EBFCache> > > TAG review > > https://github.com/w3ctag/design-reviews/issues/739 > > TAG review status > > Issues addressed > > Risks > > Interoperability and Compatibility > > Gecko: Defer (https://github.com/mozilla/standards-positions/issues/766) > Once issues (standardized reasons & unsalvageable documents), they would > switch to positive. > It seems like the "standardized reasons" part is addressed in your PR. Is the same true for the second point? > > WebKit: No signal ( > https://github.com/WebKit/standards-positions/issues/154) > > Web developers: Positive ( > https://github.com/w3c/navigation-timing/issues/171#issuecomment-1062672989 > ) > > Other signals: Positive from Origin Trial users: > > How likely are you to keep using this feature? > > 92% answered likely, 8% (1 vote) is unsure > > Security > > We do not report detailed information about cross-origin iframes. See Security > and Privacy section > <https://github.com/WICG/bfcache-not-restored-reason/blob/main/NotRestoredReason.md#security-and-privacy> > in the explainer. > > > 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. > > > Debuggability > > In DevTools console, try: > > performance.getEntriesByType('navigation')[0].notRestoredReasons; > > > Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, Chrome OS, Android, and Android WebView)? > > Yes. > > NotRestoredReasons API is available on all platforms including WebView, > but back/forward cache is not enabled on WebView. So on WebView, > NotRestoredReasons API should always say that the page is blocked from > being restored from bfcache with the reason being something like “not > supported”. > > (Currently it reports null due to a bug > <https://bugs.chromium.org/p/chromium/issues/detail?id=1459533>) > > Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> > ? > > Yes. > https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/web_tests/external/wpt/performance-timeline/not-restored-reasons/ > > DevTrial instructions > > > https://github.com/rubberyuzu/bfcache-not-retored-reason/blob/main/HowToTest.md > > Flag nameblink RunTimeEnabledFeature: > BackForwardCacheSendNotRestoredReasons > <https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/platform/runtime_enabled_features.json5;l=423?q=BackForwardCacheSendNotRestoredReasons%20-f:out&ss=chromium> > Requires code in //chrome? > > False > > Tracking bug > > https://bugs.chromium.org/p/chromium/issues/detail?id=1326344 > > Launch bug > > https://launch.corp.google.com/launch/4200848 > > Estimated milestones > > Shipping on desktop > > 116 > > OriginTrial desktop last > > 114 > > OriginTrial desktop first > > 109 > > DevTrial on desktop > > 108 > > Shipping on Android > > 116 > > OriginTrial Android last > > 114 > > OriginTrial Android first > > 109 > > DevTrial on Android > > 108 > > > Shipping on WebView > > 116 > > OriginTrial WebView last > > 114 > > OriginTrial WebView first > > 109 > > DevTrial on WebView > > 108 > > > Anticipated spec changes > > Open questions about a feature may be a source of future web compat or > interop issues. Please list open issues. > > https://github.com/whatwg/html/pull/9360 > > > Link to entry on the Chrome Platform Status > > https://chromestatus.com/feature/5684908759449600 > > Links to previous Intent discussions > > Intent to prototype: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAP-nMoGAzjUjzv3WmxcRpUSBgnA-AHQ05kh9gXc%2BQB8pRM6%2BfA%40mail.gmail.com > Intent to Experiment: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAP-nMoHe391sAB2PdbEVw9uiSPFxTB_EYsRizcPpZ7-pg16O0A%40mail.gmail.com > > Intent to Extend Experiment: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAA5e698QcKZSthm%3Dz_4pi8cOzi4kfbx-AXveC%2BAKimUh-tMycA%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/CAP-nMoHYpT3sxWV%2BEipL5NcNSWy8fOdDdAroucmNb%3DZvxJWRBA%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAP-nMoHYpT3sxWV%2BEipL5NcNSWy8fOdDdAroucmNb%3DZvxJWRBA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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