[Webkit-unassigned] [Bug 249943] Emoji character is horizontally misaligned when using COLR font

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=249943

--- Comment #3 from zalan <zalan at apple.com> ---
This is about measuring the emoji character. ComplexTextController returns 24px for Apple Color Emoji font, while 44px for MozillaTwemojiColr.
When measured using MozillaTwemojiColr, ComplexTextController sees 2 glyphs U+263A and U+FE0F (variant selection) and they advance 22px individually.
Myles, do you know what's going on here?

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