Bug 249103

Summary: Mitigate crash when removing KVO from NSWindow in -[WKWindowVisibilityObserver stopObserving:]
Product: WebKit Reporter: Wenson Hsieh <wenson_hsieh>
Component: PlatformAssignee: Wenson Hsieh <wenson_hsieh>
Status: RESOLVED FIXED    
Severity: Normal CC: rackler, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Description Wenson Hsieh 2022-12-11 11:46:12 PST 
rdar://102360839
Comment 1 Wenson Hsieh 2022-12-11 12:15:04 PST 
Pull request: https://github.com/WebKit/WebKit/pull/7458
Comment 2 EWS 2022-12-12 10:19:15 PST 
Committed 257736@main (a9b66fad8de2): <https://commits.webkit.org/257736@main>

Reviewed commits have been landed. Closing PR #7458 and removing active labels.
Comment 3 Karl Rackler 2022-12-14 05:20:35 PST 
Reverted by https://github.com/WebKit/WebKit/pull/7606
Comment 4 EWS 2022-12-14 05:29:10 PST 
Committed 257848@main (703c07cd1fa9): <https://commits.webkit.org/257848@main>

Reviewed commits have been landed. Closing PR #7607 and removing active labels.
Comment 5 Wenson Hsieh 2022-12-14 07:40:13 PST 
Re-opening for pull request https://github.com/WebKit/WebKit/pull/7613
Comment 6 EWS 2022-12-14 08:48:18 PST 
Committed 257860@main (492490a51a6c): <https://commits.webkit.org/257860@main>

Reviewed commits have been landed. Closing PR #7613 and removing active labels.