RESOLVED FIXED316229
Dispatch boundary events on fullscreen transitions 
https://bugs.webkit.org/show_bug.cgi?id=316229
Summary Dispatch boundary events on fullscreen transitions
pascoe@apple.com
Reported 2026-06-03 12:37:20 PDT
After entering or exiting fullscreen, other browsers dispatches a pointerout/pointerleave to null followed by a pointerover/pointerenter back onto the element under the cursor, with a rendering opportunity between the two. This resets JS framework hover state (clearing stale highlights from before the transition) while leaving media controls visible (the immediate re-enter cancels the hide).
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Add attachment proposed patch, testcase, etc.
pascoe@apple.com
Comment 1 2026-06-03 12:37:39 PDT
rdar://176507648
pascoe@apple.com
Comment 2 2026-06-03 13:05:24 PDT
<rdar://problem/177476277>
pascoe@apple.com
Comment 3 2026-06-03 13:05:45 PDT
Pull request: https://github.com/WebKit/WebKit/pull/66397
EWS
Comment 4 2026-06-05 10:44:09 PDT
Committed 314650@main (737bafc43518): <https://commits.webkit.org/314650@main> Reviewed commits have been landed. Closing PR #66397 and removing active labels.
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