Given how trivial and niche this is and that WebKit and Gecko have both shipped this without any apparent compat fallout, I agree the compat risk is very low. I'm ok treating it as a bugfix, but please circle back here (and consider using your killswitch) if you hear of any breakage in practice. LGTM1 to ship.
On Tue, Jan 9, 2024 at 6:50 AM Rune Lillesveen <futh...@chromium.org> wrote: > Contact emailsfuth...@chromium.org > > ExplainerNone > > Specificationhttps://drafts.csswg.org/css-position-4/#backdrop > > Summary > > The ::backdrop pseudo element used to inherit from initial values. That > meant ::backdrop could not use custom property values unless specified > directly on the ::backdrop rule. The specification has now changed so that > ::backdrop inherits from the originating element, and with that the > implementation. > > > Blink componentBlink>CSS > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ECSS> > > TAG reviewNone > > TAG review statusNot applicable > > Risks > > > Interoperability and Compatibility > > A compatibility risk is that existing content may rely on inheriting > initial values. For instance, this rule may change from having a backdrop > with the initial foreground color to using the color property of the > originating element: ::backdrop { background: currentColor } Interop risk > is low for shipping since Firefox and Safari already do ship. > > > *Gecko*: Shipped/Shipping ( > https://bugzilla.mozilla.org/show_bug.cgi?id=1855668) Shipped in Firefox > 120 > > *WebKit*: Shipped/Shipping (https://bugs.webkit.org/show_bug.cgi?id=263834 > ) > > *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? > > None > > > Debuggability > > N/A > > > 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.live/css/css-position/backdrop-inherit-computed.html > https://wpt.live/css/css-position/backdrop-inherit-rendered.html > > > Flag name on chrome://flags#enable-experimental-web-platform-features > > Finch feature nameBackdropInheritOriginating > > Requires code in //chrome?False > > Tracking bughttps://crbug.com/827397 > > Estimated milestones > Shipping on desktop 122 > DevTrial on desktop 119 > Shipping on Android 122 > DevTrial on Android 119 > Shipping on WebView 122 > > 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/4875749691752448 > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com/>. > > -- > Rune Lillesveen > > -- > 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/CACuPfeRpWk%2BOh_g1LD7wUwXk7L1Agu%2Bd84Myk8uCkZQy_-S35g%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CACuPfeRpWk%2BOh_g1LD7wUwXk7L1Agu%2Bd84Myk8uCkZQy_-S35g%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/CAFUtAY-8sefA9ZJh5q0cDnqRjUAcaBBM_wEVw0DLvHiqYErCtw%40mail.gmail.com.
