Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: c21896a3dab7c37f023def475d7c06ebc093548a
      
https://github.com/WebKit/WebKit/commit/c21896a3dab7c37f023def475d7c06ebc093548a
  Author: Tim Nguyen <[email protected]>
  Date:   2026-02-24 (Tue, 24 Feb 2026)

  Changed paths:
    M 
LayoutTests/imported/w3c/web-platform-tests/html/semantics/forms/the-select-element/customizable-select-in-page/resources/customizable-select-in-page.css
    M 
LayoutTests/imported/w3c/web-platform-tests/html/semantics/forms/the-select-element/customizable-select/resources/customizable-select-styles.css
    M 
LayoutTests/imported/w3c/web-platform-tests/html/semantics/forms/the-select-element/customizable-select/select-option-hover-styles.html
    M LayoutTests/platform/gtk/fast/forms/basic-inputs-expected.txt
    M LayoutTests/platform/gtk/fast/forms/basic-textareas-expected.txt
    M LayoutTests/platform/gtk/fast/forms/basic-textareas-quirks-expected.txt
    M LayoutTests/platform/gtk/fast/forms/input-appearance-disabled-expected.txt
    M LayoutTests/platform/gtk/fast/forms/input-disabled-color-expected.txt
    M LayoutTests/platform/gtk/fast/forms/placeholder-pseudo-style-expected.txt
    M 
LayoutTests/platform/gtk/fast/forms/textarea-placeholder-pseudo-style-expected.txt
    M LayoutTests/platform/ios/fast/forms/basic-inputs-expected.txt
    M LayoutTests/platform/ios/fast/forms/basic-textareas-expected.txt
    M LayoutTests/platform/ios/fast/forms/basic-textareas-quirks-expected.txt
    M LayoutTests/platform/ios/fast/forms/input-appearance-disabled-expected.txt
    M LayoutTests/platform/ios/fast/forms/input-disabled-color-expected.txt
    M 
LayoutTests/platform/ios/fast/forms/number/number-appearance-spinbutton-disabled-readonly-expected.txt
    M LayoutTests/platform/ios/fast/forms/placeholder-pseudo-style-expected.txt
    M 
LayoutTests/platform/ios/fast/forms/textarea-placeholder-pseudo-style-expected.txt
    M LayoutTests/platform/mac-wk2/fast/forms/basic-inputs-expected.txt
    M LayoutTests/platform/mac-wk2/fast/forms/basic-textareas-expected.txt
    M 
LayoutTests/platform/mac-wk2/fast/forms/basic-textareas-quirks-expected.txt
    M 
LayoutTests/platform/mac-wk2/fast/forms/input-appearance-disabled-expected.txt
    M LayoutTests/platform/mac-wk2/fast/forms/input-disabled-color-expected.txt
    M 
LayoutTests/platform/mac-wk2/fast/forms/number/number-appearance-spinbutton-disabled-readonly-expected.txt
    M 
LayoutTests/platform/mac-wk2/fast/forms/placeholder-pseudo-style-expected.txt
    M 
LayoutTests/platform/mac-wk2/fast/forms/textarea-placeholder-pseudo-style-expected.txt
    M LayoutTests/platform/wpe/fast/forms/basic-inputs-expected.txt
    M LayoutTests/platform/wpe/fast/forms/basic-textareas-expected.txt
    M LayoutTests/platform/wpe/fast/forms/basic-textareas-quirks-expected.txt
    M LayoutTests/platform/wpe/fast/forms/input-appearance-disabled-expected.txt
    M LayoutTests/platform/wpe/fast/forms/input-disabled-color-expected.txt
    M 
LayoutTests/platform/wpe/fast/forms/number/number-appearance-spinbutton-disabled-readonly-expected.txt
    M LayoutTests/platform/wpe/fast/forms/placeholder-pseudo-style-expected.txt
    M 
LayoutTests/platform/wpe/fast/forms/textarea-placeholder-pseudo-style-expected.txt
    M Source/WebCore/css/html.css

  Log Message:
  -----------
  Drop color-mix() color space in UA styles
https://bugs.webkit.org/show_bug.cgi?id=308555
rdar://171083769

Reviewed by Anne van Kesteren and Sam Weinig.

It was resolved in https://github.com/w3c/csswg-drafts/issues/13496 to use the 
default color-mix() color space.

Also change some non-standardized usages to use the default color-mix() color 
space as well.

* 
LayoutTests/imported/w3c/web-platform-tests/html/semantics/forms/the-select-element/customizable-select-in-page/resources/customizable-select-in-page.css:
(.customizable-select-in-page.disabled):
(.customizable-select-in-page:not(.disabled) 
.customizable-select-legend.disabled):
* 
LayoutTests/imported/w3c/web-platform-tests/html/semantics/forms/the-select-element/customizable-select/resources/customizable-select-styles.css:
(.customizable-select-option.disabled):
(.customizable-select-button.disabled):
(.customizable-select-button.hover):
(.customizable-select-button.active):
* 
LayoutTests/imported/w3c/web-platform-tests/html/semantics/forms/the-select-element/customizable-select/select-option-hover-styles.html:
* LayoutTests/platform/gtk/fast/forms/basic-inputs-expected.txt:
* LayoutTests/platform/gtk/fast/forms/basic-textareas-expected.txt:
* LayoutTests/platform/gtk/fast/forms/basic-textareas-quirks-expected.txt:
* LayoutTests/platform/gtk/fast/forms/input-appearance-disabled-expected.txt:
* LayoutTests/platform/gtk/fast/forms/input-disabled-color-expected.txt:
* LayoutTests/platform/gtk/fast/forms/placeholder-pseudo-style-expected.txt:
* 
LayoutTests/platform/gtk/fast/forms/textarea-placeholder-pseudo-style-expected.txt:
* LayoutTests/platform/ios/fast/forms/basic-inputs-expected.txt:
* LayoutTests/platform/ios/fast/forms/basic-textareas-expected.txt:
* LayoutTests/platform/ios/fast/forms/basic-textareas-quirks-expected.txt:
* LayoutTests/platform/ios/fast/forms/input-appearance-disabled-expected.txt:
* LayoutTests/platform/ios/fast/forms/input-disabled-color-expected.txt:
* 
LayoutTests/platform/ios/fast/forms/number/number-appearance-spinbutton-disabled-readonly-expected.txt:
* LayoutTests/platform/ios/fast/forms/placeholder-pseudo-style-expected.txt:
* 
LayoutTests/platform/ios/fast/forms/textarea-placeholder-pseudo-style-expected.txt:
* LayoutTests/platform/mac-wk2/fast/forms/basic-inputs-expected.txt:
* LayoutTests/platform/mac-wk2/fast/forms/basic-textareas-expected.txt:
* LayoutTests/platform/mac-wk2/fast/forms/basic-textareas-quirks-expected.txt:
* 
LayoutTests/platform/mac-wk2/fast/forms/input-appearance-disabled-expected.txt:
* LayoutTests/platform/mac-wk2/fast/forms/input-disabled-color-expected.txt:
* 
LayoutTests/platform/mac-wk2/fast/forms/number/number-appearance-spinbutton-disabled-readonly-expected.txt:
* LayoutTests/platform/mac-wk2/fast/forms/placeholder-pseudo-style-expected.txt:
* 
LayoutTests/platform/mac-wk2/fast/forms/textarea-placeholder-pseudo-style-expected.txt:
* LayoutTests/platform/wpe/fast/forms/basic-inputs-expected.txt:
* LayoutTests/platform/wpe/fast/forms/basic-textareas-expected.txt:
* LayoutTests/platform/wpe/fast/forms/basic-textareas-quirks-expected.txt:
* LayoutTests/platform/wpe/fast/forms/input-appearance-disabled-expected.txt:
* LayoutTests/platform/wpe/fast/forms/input-disabled-color-expected.txt:
* 
LayoutTests/platform/wpe/fast/forms/number/number-appearance-spinbutton-disabled-readonly-expected.txt:
* LayoutTests/platform/wpe/fast/forms/placeholder-pseudo-style-expected.txt:
* 
LayoutTests/platform/wpe/fast/forms/textarea-placeholder-pseudo-style-expected.txt:
* Source/WebCore/css/html.css:
(::-internal-writing-suggestions):
(input:disabled, textarea:disabled):
(select:-internal-uses-menulist:enabled:hover):
(select:-internal-uses-menulist:enabled:active):
(select:-internal-uses-menulist:disabled):
(select option:enabled:hover):
(select option:enabled:active):
(select option:disabled):

Canonical link: https://commits.webkit.org/308186@main



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