When I log into my PMS console, it tells me that 1.41.5.9522 is the latest PMS version. However, when I log into my TerraMaster console, it tells me that a newer version is available, 1.41.5.9545. When I go to the Plex website, there is no mention of version 1.41.5.9545.
Version 1.41.5.9545 is a specific Plex release tailored for compatibility with TOS 6.0, and it will be officially available on Plex in the near future. - see Terramaster blog for further information Tnas autoupdate plex version - TerraMaster Official Forum
there is anothjer comment from TM indicating “The new version is compatible with both TOS5.0 and TOS6.0 systems, and its functionality is no different from the official plex version.” — talking about TM, I would recomend to upgrade to TO6.0, which is now really stable for me.