ok was faster than i thought, the webkit PR
https://github.com/WebKit/WebKit/pull/65464 landed (behind flag)

Am Mi., 23. Sept. 2026 um 18:10 Uhr schrieb Helmut Januschka <
[email protected]>:

> Updated the entry and changed WebKit's status to "In development.".
> Sorry again about the missing platforms checkmark, I filed three entries
> around the same time and missed it on all of them.
>
> WebKit's position on the underlying corner-shaping proposal is positive:
> https://github.com/WebKit/standards-positions/issues/229
>
> There is an open WebKit PR that importet tests:
> https://github.com/WebKit/WebKit/pull/74191
>
> I also started an implementation. The PR is a bit outdated, but I'll
> revive it in the next few days:
> https://github.com/WebKit/WebKit/pull/65464
>
> I don't know what the WebKit timeline would be, though.
>
> Am Mi., 23. Sept. 2026 um 17:12 Uhr schrieb Rick Byers <
> [email protected]>:
>
>> Looks, like it is implemented on all blink platforms and the WebKit
>> position is 'support' but not 'shipping'. Right Helmut?
>>
>> I'm happy to approve once the chromestatus entry is corrected.
>>
>> On Mon, Sep 21, 2026 at 11:46 AM Alex Russell <[email protected]>
>> wrote:
>>
>>> This looks like a good feature; can you perhaps clarify the WebKit
>>> position? Are they implementing now, or have they just provided support in
>>> a standards position? I don't think the difference would sway my vote here,
>>> but we should strive for accuracy. If it's the latter, we should also send
>>> an FYI to the TAG as we'll be the first to implement.
>>>
>>> Also, Dan spotted that this is not marked as being supported on all 6
>>> platforms. Presumably that's an oversight?
>>>
>>> Best,
>>>
>>> Alex
>>>
>>> On Friday, September 18, 2026 at 6:33:46 AM UTC-7 [email protected]
>>> wrote:
>>>
>>>> *Contact emails*
>>>> [email protected]
>>>>
>>>> *Explainer*
>>>> https://static.januschka.com/i-425897047
>>>>
>>>> *Specification*
>>>> https://drafts.csswg.org/css-borders-4/#corner-shaping
>>>>
>>>> *Summary*
>>>> Implements the CSS corner shorthand and per-corner sub-shorthands
>>>> (corner-top-left, corner-top-right, corner-bottom-left,
>>>> corner-bottom-right) as well as physical (corner-top, corner-bottom) and
>>>> logical (corner-block-start, corner-block-end, etc.) edge shorthands. These
>>>> allow setting both border-radius and corner-shape for individual corners in
>>>> a single declaration. Additionally, corners is retained as a compat alias
>>>> for the corner shorthand. sampler:
>>>> https://static.januschka.com/i-425897047/ CL:
>>>> https://chromium-review.googlesource.com/c/chromium/src/+/7747994
>>>>
>>>> *Blink component*
>>>> Blink>CSS
>>>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECSS%22>
>>>>
>>>> *Web Feature ID*
>>>> corner-shape <https://webstatus.dev/features/corner-shape>
>>>>
>>>> *Motivation*
>>>> Currently, setting both the radius and shape of a corner requires two
>>>> separate declarations (border-radius and corner-shape). The CSSWG resolved
>>>> (
>>>> https://github.com/w3c/csswg-drafts/issues/11623#issuecomment-2982179370 )
>>>> to add a corner shorthand that combines both properties, making it more
>>>> ergonomic for authors to style individual corners. For example: ```css /*
>>>> Before: two declarations needed */ border-top-left-radius: 20px;
>>>> corner-shape-top-left: squircle; /* After: single corner shorthand */
>>>> corner-top-left: 20px squircle; ```
>>>>
>>>> *Initial public proposal*
>>>> https://github.com/w3c/csswg-drafts/issues/6500
>>>>
>>>> *TAG review*
>>>> *No information provided*
>>>>
>>>> *TAG review status*
>>>> Issues addressed
>>>>
>>>> *Goals for experimentation*
>>>> None
>>>>
>>>> *Risks*
>>>>
>>>>
>>>> *Interoperability and Compatibility*
>>>> *No information provided*
>>>>
>>>> *Gecko*: Positive (
>>>> https://github.com/mozilla/standards-positions/issues/823) General
>>>> standards-position discussion for CSS corner shaping. The corner shorthands
>>>> are an ergonomic extension that combines the existing corner-shape and
>>>> border-radius properties.
>>>>
>>>> *WebKit*: Shipped/Shipping (
>>>> https://github.com/WebKit/standards-positions/issues/229) WebKit
>>>> supports the underlying CSS corner-shaping proposal. These shorthands
>>>> combine corner-shape and border-radius without adding new rendering
>>>> capabilities.
>>>>
>>>> *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?
>>>> *No information provided*
>>>>
>>>>
>>>> *Debuggability*
>>>> *No information provided*
>>>>
>>>> *Will this feature be supported on all six Blink platforms (Windows,
>>>> Mac, Linux, ChromeOS, Android, and Android WebView)?*
>>>> No
>>>>
>>>> *Is this feature fully tested by web-platform-tests
>>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?*
>>>> Yes
>>>>
>>>>
>>>> *Flag name on about://flags*
>>>> *No information provided*
>>>>
>>>> *Finch feature name*
>>>> CSSCornersShorthand
>>>>
>>>> *Rollout plan*
>>>> Will ship enabled for all users
>>>>
>>>> *Requires code in //chrome?*
>>>> False
>>>>
>>>> *Tracking bug*
>>>> https://issues.chromium.org/issues/425897047
>>>>
>>>> *Estimated milestones*
>>>> Shipping on desktop 156
>>>> Shipping on Android 156
>>>> Shipping on WebView 156
>>>> Shipping on iOS 156
>>>>
>>>> *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).
>>>> *No information provided*
>>>>
>>>> *Link to entry on the Chrome Platform Status*
>>>> https://chromestatus.com/feature/5152215540039680?gate=4765188386586624
>>>>
>>>> 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 visit
>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/9a88d4e0-ee44-421d-bbb5-3aab64089854n%40chromium.org
>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/9a88d4e0-ee44-421d-bbb5-3aab64089854n%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 [email protected].
To view this discussion visit 
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAFmjHKQqPiyNfZGdcKzU6p6dUEBvcLFFs4rix%2BHN3FDGjs-Vvg%40mail.gmail.com.

Reply via email to