Conversion failed. The transcoder exited due to an error

I’m stuck on version 1.16.6.1592, because every other version I tried upgrading to causes this error.

I’ve been following other posts about this, but they all closed after a while because there were no replies after 3 months.

Is this ever going to be fixed? I used to be a plex pass member, but I canceled it after updating & needing to rollback my plex server.
I’m also not planning on becoming a plex pass member until this is solved for obvious reasons.

Edit: here are the other issues I was following: