It appears you fixed the bug where changing focus disconnects the client by replacing it with freezing the client's screen until they force-quit.
Only tested on multiplayer servers (featured), so I can't say whether this affects LAN or singleplayer.
MCPE-136514
Client freezes when window focus changes on a server
Resolved
Duplicate
0
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We're tracking this issue in MCPE-135350, so this ticket is being resolved and linked as a duplicate.
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