246937 2022-10-24 02:16:43 -0700 [css-values-5] Implement Weighted Average Notations 2025-08-22 05:30:43 -0700 1 1 1 Unclassified WebKit CSS WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 246913 1 graouts webkit-unassigned karlcow koivisto sam sebastianzartner simon.fraser webkit-bug-importer oldest_to_newest 1907747 0 graouts 2022-10-24 02:16:43 -0700 The CSS Values and Units Level 4 spec introduces a new mix() function: https://drafts.csswg.org/css-values-4/#interpolate. This is useful for blending especially in situations when we can't determine how to resolve values, for instance https://github.com/w3c/csswg-drafts/issues/2854 and our bug https://bugs.webkit.org/show_bug.cgi?id=246914. 1911509 1 webkit-bug-importer 2022-11-10 04:28:46 -0800 <rdar://problem/102188082> 2138194 2 graouts 2025-08-22 01:39:39 -0700 The `mix()` function has been removed and there is now a group of "Weighted Average Notations" in css-values-5: https://drafts.csswg.org/css-values-5/#mixing. - calc-mix(), for mixing <number>, <length>, <percentage>, <time>, and other dimensions representable in calc() expressions - transform-mix(), for mixing <transform-list>s - color-mix(), for mixing <color> values (see [css-color-5]) - cross-fade(), for mixing <image> values (see [css-images-4]) - palette-mix(), for mixing font-palette values (see [css-fonts-4])