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*andr...@chromium.org <andr...@chromium.org>*Explainer *None*Specification *N/A*Summary *Removes the non-standard -webkit-perspective-origin-[x,y] CSS properties. Note however that the -webkit-perspective-origin property (an alias of perspective-origin) is not affected.The regular (parsing-based) use-counters are at about 0.5% of page loads.https://chromestatus.com/metrics/css/timeline/popularity/310 <https://chromestatus.com/metrics/css/timeline/popularity/310>https://chromestatus.com/metrics/css/timeline/popularity/311 <https://chromestatus.com/metrics/css/timeline/popularity/311>However, a typical pattern is to specify the same values both for a prefixed version of the property and an unprefixed version in order to cover as many UAs as possible. For those cases removing support for the prefixed properties likely has no effect. In order to measure this, a use-counter was added to find whether or not the prefixed properties actually make a difference to the relevant computed values. This use-counter sits at ~0.0002% <https://chromestatus.com/metrics/feature/timeline/popularity/4250> of page loads.*Blink component *Blink>CSS <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ECSS>* Motivation *The -webkit-perspective-origin-[x,y] properties overlap in a non-trivial way with another standard property (perspective-origin). This situation is not supposed to exist, and therefore the interaction -webkit-perspective-origin-[x,y] and perspective-origin is not defined by any spec.*Initial public proposal *N/A*TAG review *N/A*TAG review status *Not applicable*Risks Interoperability and Compatibility *Gecko: No signalWebKit: No signalWeb developers: No signalsOther 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?* Debuggability *N/A*Is this feature fully tested by web-platform-tests <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> ? *No*Flag name *N/A*Requires code in //chrome? *False*Estimated milestones *109*Link to entry on the Chrome Platform Status https://chromestatus.com/feature/5141814818897920 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/CAKFBnUpSTLDjH7s1euDd0M2K9sLAynf8waC5EOM1rT-t_TuedQ%40mail.gmail.com.
