Latest update for plex server has the following bug fixes (amongst a few others):
Fix for Server Unreachable and Remote Access issues (#9228)
(Butler) Reduce the amount of temp memory in processing items in certain butler tasks.
(Transcoder) Resolved a rare deadlock (#9332)
Automatic port mapping could fail with some older routers (#9335)
Would it be possible to generate an alpha version to test?
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