This looks like a great straightforward way of making the platform more
consistent. Just a few minor questions for the intent before approving...

On Fri, Oct 4, 2024 at 5:18 PM Chromestatus <ad...@cr-status.appspotmail.com>
wrote:

> Contact emails f...@opera.com
>
> Explainer None


Can you write up a quick paragraph or two explaining this feature, and why
web developers are excited about it?


>
>
> Specification https://svgwg.org/svg2-draft/linking.html#URLReference
>
> Summary
>
> Allow external references for clip paths, markers, and paint servers (for
> the 'fill' and 'stroke' properties). For example, clip-path:
> url("resources.svg#myPath").
>
>
> Blink component Blink>SVG
> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ESVG>
>
> Search tags svg <http:///features#tags:svg>
>
> TAG review None
>
> TAG review status Not applicable
>
> Risks
>
>
> Interoperability and Compatibility
>
> The main interoperability risk is that these properties still do not
> support referencing external resource document in all browsers (not
> supported in WebKit yet). No compatibility issues are known from similar
> cases (for example 'mask-image'), and it's assumed that the support in
> these additional set of properties will be similar.
>
>
> *Gecko*: Shipped/Shipping Has been shipping for a long time. No attempt
> was made to dig up the ancient scrolls containing the relevant release
> notes.
>
> *WebKit*: No signal
>

Can you file for signals?


>
>
> *Web developers*: Strongly positive Has 123 stars/+1s when this is being
> written.
>
> *Other signals*:
>
> Security
>
> Requests the resources in the same way as similar properties - for example
> 'mask-image' (same-origin credentials mode).
>
>
> 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
>
> Supported the same way as any other resource referenced via CSS.
>
>
> 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/css/css-masking/clip-path/clip-path-url-reference-external.html
> https://wpt.fyi/results/svg/linking/reftests/url-processing-fetch-properties-001.sub.svg
> https://wpt.fyi/results/svg/linking/reftests/url-processing-fetch-properties-002.sub.svg
> https://wpt.fyi/results/svg/painting/reftests/gradient-external-reference.svg
> https://wpt.fyi/results/svg/painting/reftests/marker-external-reference.svg
> https://wpt.fyi/results/svg/painting/reftests/pattern-external-reference.svg
>

A few of these fail in Gecko, and one of them passes in WebKit, which
doesn't quite match the claimed interop status. (Also, the first one shows
as failing even in Chrome.) Can you help reassure us that the test coverage
here is solid?


>
>
> Flag name on chrome://flags
>
> Finch feature name SvgExternalResources
>
> Requires code in //chrome? False
>
> Tracking bug https://issues.chromium.org/40134477
>
> Estimated milestones
> Shipping on desktop 131
> Shipping on Android 131
> Shipping on WebView 131
>
> 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/5198862739046400?gate=5157993826746368
>
> This intent message was generated by Chrome Platform Status
> <https://chromestatus.com>.
>
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> .
>

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