Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: db6cf6a9c16245de2f8104305818648ec1b67ab9
      
https://github.com/WebKit/WebKit/commit/db6cf6a9c16245de2f8104305818648ec1b67ab9
  Author: Megan Gardner <[email protected]>
  Date:   2026-07-29 (Wed, 29 Jul 2026)

  Changed paths:
    M 
LayoutTests/platform/mac-wk1/editing/mac/attributed-string/attributed-string-across-shadow-boundaries-1-expected.txt
    M 
LayoutTests/platform/mac-wk1/editing/mac/attributed-string/attributed-string-across-shadow-boundaries-2-expected.txt
    M 
LayoutTests/platform/mac-wk1/editing/mac/attributed-string/attributed-string-across-shadow-boundaries-3-expected.txt
    M 
LayoutTests/platform/mac-wk1/editing/mac/attributed-string/attributed-string-across-shadow-boundaries-4-expected.txt
    M 
LayoutTests/platform/mac-wk1/editing/mac/attributed-string/attributed-string-across-shadow-boundaries-5-expected.txt

  Log Message:
  -----------
  REGRESSION(317100@main): [Fizz] 5 
editing/mac/attributed-string/attributed-string-across-shadow-boundaries tests 
are constant TEXT failures.
https://bugs.webkit.org/show_bug.cgi?id=320539
rdar://182859944

Reviewed by Tim Horton and Abrar Rahman Protyasha.

317100@main ("Refactor Style::ComputedStyleProperties generation") made 
adjacent NSAttributedString ranges that carry
identical attributes coalesce into a single run across shadow boundaries. This 
is a progression: the runs had byte-identical
attributes (font, kern, stroke, color), so merging them into one range is the 
canonical form -- no attribute value changed. The
cross-platform baselines already expected the merged output; only the stale 
mac-wk1 overrides still held the pre-merge split form.

* 
LayoutTests/platform/mac-wk1/editing/mac/attributed-string/attributed-string-across-shadow-boundaries-1-expected.txt:
* 
LayoutTests/platform/mac-wk1/editing/mac/attributed-string/attributed-string-across-shadow-boundaries-2-expected.txt:
* 
LayoutTests/platform/mac-wk1/editing/mac/attributed-string/attributed-string-across-shadow-boundaries-3-expected.txt:
* 
LayoutTests/platform/mac-wk1/editing/mac/attributed-string/attributed-string-across-shadow-boundaries-4-expected.txt:
* 
LayoutTests/platform/mac-wk1/editing/mac/attributed-string/attributed-string-across-shadow-boundaries-5-expected.txt:

Canonical link: https://commits.webkit.org/318162@main



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