I tested with `accessibility.force_disabled` pref = 0 for ten minutes and didn't experience a hang. I disabled the pref, restarted Nightly, and almost immediately hit a hang when cutting/pasting text into Bugzilla. I will re-enable accessibility and try testing with Windows clipboard's "Suggested Actions" disabled, as recommended in bug 1774285 comment 36.
Bug 1780464 Comment 3 Edit History
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I tested with the `accessibility.force_disabled` pref = 0 for ten minutes and didn't experience a hang. I disabled the pref, restarted Nightly, and almost immediately hit a hang when cutting/pasting text into Bugzilla. I will re-enable accessibility and try testing with Windows clipboard's "Suggested Actions" disabled, as recommended in bug 1774285 comment 36.