311144 2026-03-30 16:16:59 -0700 Add support for font-synthesis-style: oblique-only 2026-04-01 18:22:01 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 bfulgham bfulgham webkit-bug-importer oldest_to_newest 2195331 0 bfulgham 2026-03-30 16:16:59 -0700 The CSS Fonts 4 specification adds an 'oblique-only' value for the font-synthesis-style property. When set, it blocks italic-to-oblique face fallback in the font selection algorithm and prevents italic synthesis, while still permitting oblique synthesis from normal faces. This missing longhand was the reason we were failing imported/w3c/web-platform-tests/css/css-fonts/font-synthesis-style-oblique-only.html 2195335 1 webkit-bug-importer 2026-03-30 16:26:06 -0700 <rdar://problem/173730766> 2195337 2 bfulgham 2026-03-30 16:34:39 -0700 See https://drafts.csswg.org/css-fonts-4/#font-synthesis-style 2195339 3 bfulgham 2026-03-30 16:42:41 -0700 Pull request: https://github.com/WebKit/WebKit/pull/61727 2196098 4 ews-feeder 2026-04-01 18:21:59 -0700 Committed 310409@main (671f52fa7c41): <https://commits.webkit.org/310409@main> Reviewed commits have been landed. Closing PR #61727 and removing active labels.