175497 2017-08-11 16:33:36 -0700 AX: implement `prefers-reduced-transparency` media feature (CSS MQ5) 2026-01-28 01:11:00 -0800 1 1 1 Unclassified WebKit CSS WebKit Nightly Build All All NEW InRadar P2 Normal --- 175503 1 jcraig webkit-unassigned hello simon.fraser webkit-bug-importer oldest_to_newest 1338050 0 jcraig 2017-08-11 16:33:36 -0700 Pull request merged today into CSS MQ5. https://drafts.csswg.org/mediaqueries-5/#prefers-reduced-transparency iOS API: 
BOOL UIAccessibilityIsReduceTransparencyEnabled(void);
 NSString *const UIAccessibilityReduceTransparencyStatusDidChangeNotification; macOS API: BOOL accessibilityDisplayShouldReduceTransparency(void);
 NSString *const NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification; 1338051 1 webkit-bug-importer 2017-08-11 16:33:54 -0700 <rdar://problem/33858673> 1941589 2 lwarlow 2023-03-15 10:16:46 -0700 Pull request: https://github.com/WebKit/WebKit/pull/11560 1962552 3 simon.fraser 2023-06-20 09:06:01 -0700 https://github.com/WebKit/standards-positions/issues/145 is currently labeled as "Concerns"