LGTM3.
BTW, one question about pseudo-elements, for some of them we have use
counters buts not for all (like this one, or at least I didn't find it).
Is that fine? Or should we usually add use counters for new pseudo-elements?
Cheers,
Rego
On 10/01/2024 16:46, Daniel Bratell wrote:
LGTM2
/Daniel
On 2024-01-10 16:41, Rick Byers wrote:
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 emails
futh...@chromium.org
Explainer
None
Specification
https://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 component
Blink>CSS
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ECSS>
TAG review
None
TAG review status
Not 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 name
BackdropInheritOriginating
Requires code in //chrome?
False
Tracking bug
https://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
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