This is correct behavior when screen orientation lock is unlocked by existing full screen. But this problem that full screen is exited when something prompt is shown. Also, screen orientation lock is disabled by beta and release. So this is disabled by 111. But this occurs on 111 beta, so we need right regression range. (Firefox 109 doesn't exit fullscreen)
Bug 1819254 Comment 5 Edit History
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This is correct behavior when screen orientation lock is unlocked by existing full screen. But this problem that full screen is exited when something prompt is shown then actived. Also, screen orientation lock is disabled by beta and release. So this is disabled by 111. But this occurs on 111 beta, so we need right regression range. (Firefox 109 doesn't exit fullscreen)
This is correct behavior when screen orientation lock is unlocked by existing full screen. But this problem is that full screen is exited when something prompt is shown then actived. Also, screen orientation lock is disabled by beta and release. So this is disabled by 111. But this occurs on 111 beta, so we need right regression range. (Firefox 109 doesn't exit fullscreen)