Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 21f1e674ff34d7628aa80ec7628084ececdd41af
https://github.com/WebKit/WebKit/commit/21f1e674ff34d7628aa80ec7628084ececdd41af
Author: Franco Vieira de Souza <[email protected]>
Date: 2026-08-12 (Wed, 12 Aug 2026)
Changed paths:
M
LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/user-select-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/inheritance-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/parsing/user-select-computed-contain-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/parsing/user-select-computed-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/parsing/user-select-valid-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/user-select-inheritance-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/html/rendering/widgets/shadow-dom-expected.txt
M
LayoutTests/platform/glib/imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml-expected.txt
M Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
M Source/WebCore/css/CSSProperties.json
M Source/WebCore/rendering/style/RenderStyleConstants.cpp
M Source/WebCore/rendering/style/RenderStyleConstants.h
M Source/WebCore/style/StyleAdjuster.cpp
M Source/WebCore/style/StyleDifference.cpp
M Source/WebCore/style/computed/StyleComputedStyle.cpp
M Source/WebCore/style/computed/data/StyleInheritedRareData.cpp
M Source/WebCore/style/computed/data/StyleInheritedRareData.h
M Source/WebCore/style/computed/data/StyleNonInheritedMiscData.cpp
M Source/WebCore/style/computed/data/StyleNonInheritedMiscData.h
M Source/WebCore/style/values/primitives/StyleKeyword+Mappings.h
Log Message:
-----------
Add unprefixed user-select (and feature flag)
https://bugs.webkit.org/show_bug.cgi?id=321119
rdar://184152184
Reviewed by Tim Nguyen.
Adds the (unprefixed) user-select property, gated by a new feature
flag (CSSUserSelectEnabled). The property is completely inert - this
commit only adds the plumbing required for making user-select actually
affect selectability in the future. The prefixed `-webkit-user-select`
still exists independently and is the only source of truth.
No changes in behavior expected. However, some tests now pass simply
because the user-select property exists (though only in testing -
feature flag set to 'testable').
Canonical link: https://commits.webkit.org/319023@main
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