Bug 1047645 - Use manual timeout to guard _closed event from not firing r=alive
Merge pull request #22902 from KevinGrandon/bug_1047645_app_window_miss_transition

Bug 1047645 - Use manual timeout to guard _closed event from not firing
Bug 1001312 - [meta] [Settings] Device Information UX update
Merge pull request #22873 from gasolin/issue-1001312

Bug 1001312 - [meta] [Settings] Device Information UX update, r=eragon
Bug 1054122 - There are still some redundant BT code in settings app
Bug 1053624 - Extract and organize Input Management showAll()