Some notes on upgrading to Debian 13

Debian 13 ( trixie ) was released in August 2025. I did the upgrade from Debian 12 yesterday. These are some notes on issues I hit along the way. Before all Before I did anything, I made a copy of my / filesystem. I usually have (at least) two system partitions on my computer, so I can try other systems without messing up the main one, or back up the current system before messing it up. I…