Created attachment 365123 [details] Reduction with iframe Load palace-games.com on macOS with async overflow scrolling enabled, and click the "Reserve a room today" button. Scroll the resulting sheet. Note that the green dots lag behind the scrolling.
Created attachment 365124 [details] Reduction
<rdar://problem/49007139>
Created attachment 365290 [details] Patch
Comment on attachment 365290 [details] Patch Attachment 365290 [details] did not pass ios-sim-ews (ios-simulator-wk2): Output: https://webkit-queues.webkit.org/results/11576513 New failing tests: scrollingcoordinator/scrolling-tree/positioned-nodes-complex.html
Created attachment 365324 [details] Archive of layout-test-results from ews122 for ios-simulator-wk2 The attached test failures were seen while running run-webkit-tests on the ios-sim-ews. Bot: ews122 Port: ios-simulator-wk2 Platform: Mac OS X 10.13.6
https://trac.webkit.org/r243211
The new test scrollingcoordinator/scrolling-tree/positioned-nodes-complex.html is failing constantly from https://trac.webkit.org/changeset/243211/webkit History: http://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=scrollingcoordinator%2Fscrolling-tree%2Fpositioned-nodes-complex.html is this just a rebase? Diff: --- /Volumes/Data/slave/highsierra-release-tests-wk2/build/layout-test-results/scrollingcoordinator/scrolling-tree/positioned-nodes-complex-expected.txt +++ /Volumes/Data/slave/highsierra-release-tests-wk2/build/layout-test-results/scrollingcoordinator/scrolling-tree/positioned-nodes-complex-actual.txt @@ -132,6 +132,14 @@ (layer-position-at-last-layout (10,28)) (positioning-behavior moves)) (related overflow nodes 1) + (children 1 + (Positioned node + (layout constraints + (layer-position-at-last-layout (79,18)) + (positioning-behavior stationary)) + (related overflow nodes 1) + ) + ) ) ) )
Yes, the test needs rebaselining.