On bug 214414 the WPT css folder was updated. This are new ref-test failures for css-color-adjust: imported/w3c/web-platform-tests/css/css-color-adjust/rendering/dark-color-scheme/color-scheme-change-checkbox.html [ ImageOnlyFailure ] imported/w3c/web-platform-tests/css/css-color-adjust/rendering/dark-color-scheme/color-scheme-iframe-background.html [ ImageOnlyFailure ] imported/w3c/web-platform-tests/css/css-color-adjust/rendering/dark-color-scheme/color-scheme-iframe-background-mismatch-alpha.html [ ImageOnlyFailure ] imported/w3c/web-platform-tests/css/css-color-adjust/rendering/dark-color-scheme/color-scheme-iframe-background-mismatch-opaque.html [ ImageOnlyFailure ] imported/w3c/web-platform-tests/css/css-color-adjust/rendering/dark-color-scheme/color-scheme-visited-link-initial.html [ ImageOnlyFailure ]
<rdar://problem/66048368>
*** Bug 225439 has been marked as a duplicate of this bug. ***
This 5 tests were passing on GTK/WPE before r279987 (Support color-schemes CSS property). After enabling support for color-schemes CSS the tests started to fail like in the Mac port. See bug 228160