GIMP 2.10 - Where are the GIMP temp files be stored (for the PAF version)???
GIMP 2.10 claims that it can (try to) recover images upon restarting after a crash.
However, restarting the PAF version gives a message saying that "GIMP was not closed properly on the last time it ran and needs to clean up"
(or something like that).
So, I'm guessing that your standard clean up is preventing the file recovery.