261300 2023-09-07 15:24:05 -0700 [iOS] Have iOS use the normal "have overlay scrollbars" behavior 2023-10-31 15:25:11 -0700 1 1 1 Unclassified WebKit Scrolling Safari 16 Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=261299 InRadar P2 Normal --- 1 simon.fraser simon.fraser a_protyasha simon.fraser webkit-bug-importer oldest_to_newest 1976249 0 simon.fraser 2023-09-07 15:24:05 -0700 There are some historical #idfefs for iOS that were done the iOS was the only platform to have overlay scrollbars, before these came to macOS, but these cause some surprising behavior in layout tests, particularly because RenderLayerScrollableArea::showsOverflowControls() can return a different result depending on whether we use composited scrolling. 1976251 1 webkit-bug-importer 2023-09-07 15:26:40 -0700 <rdar://problem/115139613> 1976253 2 simon.fraser 2023-09-07 15:41:40 -0700 Pull request: https://github.com/WebKit/WebKit/pull/17560 1977423 3 simon.fraser 2023-09-13 19:24:46 -0700 This isn't so simple. Lots of nasty interactions between mock scrollbars, custom scrollbars etc.