Release Note Request (optional, but appreciated) [Why is this notable]: Registered custom properties in animations and transitions are smoothly interpolated, and registered custom properties are type-safe, can have default values, and can be specified to or not to inherit, regardless of where they are used. [Affects Firefox for Android]: Yes [Suggested wording]: Support for CSS registered @property / properties-and-values API is enabled by default. [Links (documentation, blog post, etc)]: https://developer.mozilla.org/en-US/docs/Web/API/CSS_Properties_and_Values_API
Bug 1864818 Comment 5 Edit History
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Release Note Request (optional, but appreciated) [Why is this notable]: Registered custom properties in animations and transitions are smoothly interpolated, and registered custom properties are type-safe, can have default values, and can be specified to or not to inherit, regardless of where they are used. [Affects Firefox for Android]: Yes [Suggested wording]: Support for CSS @property / properties-and-values API is enabled by default. [Links (documentation, blog post, etc)]: https://developer.mozilla.org/en-US/docs/Web/API/CSS_Properties_and_Values_API