I just have to stop and restart it, and it downloads the latest and starts running it.

In order to pick up an updated version of Plex, I don’t have to pull a new container. A really nifty feature of their Docker container is that it doesn’t really have Plex in it: it has code to download and run Plex. Plex developers maintain the container themselves and it gets updated in sync with official releases. Recently I had been running Plex in a Docker container, which resolved my old gripes about FreeNAS plug-ins and FreeBSD freshports versions of Plex falling out of date. I suppose I could learn about Helm charts so I could write one to run Plex my way, but at the moment I’m not too motivated to do so. After trying and failing to use the default method to run Plex Media Server via TrueNAS SCALE’s “App” catalog, I’m falling back to a manual route: spinning up a virtual machine with Ubuntu Server 22.04 to run Plex Media Server with my own preferred settings.