Submitted:

   - TAG review: https://github.com/w3ctag/design-reviews/issues/915
   - Requested signals from the other vendors:
   - Gecko: https://github.com/mozilla/standards-positions/issues/925
      - Webkit: https://github.com/WebKit/standards-positions/issues/276

Thank you, Daniel!

On Wed, Nov 8, 2023 at 4:52 PM Daniel Bratell <bratel...@gmail.com> wrote:

> Hi, could you please request signals from the other vendors?
> https://bit.ly/blink-signals will tell you how they work.
>
> Also, you may want to file a TAG review, or give them a FYI or let us know
> why that is not necessary.
>
> /Daniel
> On 2023-11-08 13:56, 'Munira Tursunova' via blink-dev wrote:
>
> Contact emails moon...@google.com, dr...@google.com
>
> Explainer
> https://docs.google.com/document/d/1XMTrKH003KBOes6hxzI-3E7LTwp5YwFC-rnzoFpFrfw/edit?usp=sharing
>
> Specification https://drafts.csswg.org/css-fonts-4/#font-palette-prop
>
> Summary
>
> The CSS font-palette property allows selection of a specific palette used
> to render a font. The CSS Fonts 4 spec defines the animation behavior of
> this property as discrete, which is insufficient to achieve a smooth
> transition between two selected palettes. Instead, animating the
> font-palette property should happen by interpolating each of the colour
> record values from the defined palette, i.e. if the start or the end of the
> animation has a different colour value for some record in the palette, such
> colour value should be interpolated.
>
>
> Blink component Blink>Fonts
> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EFonts>
>
> Search tags font-palette
> <https://chromestatus.com/features#tags:font-palette>, animation
> <https://chromestatus.com/features#tags:animation>, transition
> <https://chromestatus.com/features#tags:transition>, font-palette-values
> <https://chromestatus.com/features#tags:font-palette-values>, color fonts
> <https://chromestatus.com/features#tags:color%20fonts>
>
> TAG review None
>
> TAG review status Not applicable
>
> Risks
>
>
> Interoperability and Compatibility
>
> Low, new feature, was resolved by W3C working group
> https://github.com/w3c/csswg-drafts/issues/8922#issuecomment-1720930646,
> but not yet implemented in other browsers.
>
> *Gecko*: No signal Not implemented.
>
> *WebKit*: No signal Not implemented.
>
> *Web developers*: Positive (
> https://css-tricks.com/colrv1-and-css-font-palette-web-typography/#:~:text=Another%20limitation%3A%20animations%20and%20transitions%20from%20one%20font%2Dpalette%20to%20another%20don%E2%80%99t%20interpolate%20%E2%80%94%20meaning%20you%20can%20switch%20instantly%20from%20one%20palette%20to%20another%2C%20but%20can%E2%80%99t%20gradually%20animate%20between%20them.%20My%20dream%20of%20a%20luridly%20animated%20emoji%20font%20is%20sadly%20unrealized)
> Ollie Williams expressed his interest in the feature in his article on CSS
> Tricks. Scott Kellum (of typetura.com) has also been suggesting it as a
> useful feature for the web (origin: a Twitter thread and email
> conversation, Scott in the meantime deleted their Twitter account).
>
> *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
>
> Same as any other CSS property, font-palette property is inspectable in
> DevTools.
>
>
> Will this feature be supported on all six Blink platforms (Windows, Mac,
> Linux, Chrome OS, 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-fonts/palette-mix-computed.html
> https://wpt.fyi/results/css/css-fonts/animations/font-palette-interpolation.html
>
>
> Flag name on chrome://flags FontPaletteAnimation
>
> Finch feature name None
>
> Non-finch justification None
>
> Requires code in //chrome? False
>
> Tracking bug https://bugs.chromium.org/p/chromium/issues/detail?id=1400620
>
> Sample links
> https://drafts.csswg.org/css-fonts-4/images/nabla-animated.webp
>
> Estimated milestones
> Shipping on desktop 121
> DevTrial on desktop 119
> Shipping on Android 121
> DevTrial on Android 119
> Shipping on WebView 121
>
> 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/5177171439517696
>
> Links to previous Intent discussions Intent to prototype:
> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAAO7W_DFvgY9yqz_Tr%2B2sHMwsydbWMQ66yZWwF7ZoxDZ2yE1QA%40mail.gmail.com
>
> This intent message was generated by Chrome Platform Status
> <https://chromestatus.com/>.
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> .
>
>

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