This crash also reproduces for me when quiting Firefox 106.0a1 (20220911214030) on Ubuntu 22.04 while having ORCA screen reader enabled. Crash report: https://crash-stats.mozilla.org/report/index/28077728-84e1-40ce-8bfd-f133a0220912.
Bug 1760819 Comment 12 Edit History
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This crash also reproduces for me whith Firefox 106.0a1 (20220911214030) when quiting Firefox, closing browser console, closing another window on Ubuntu 22.04 while having ORCA screen reader enabled. Crash report: https://crash-stats.mozilla.org/report/index/28077728-84e1-40ce-8bfd-f133a0220912.