Upgrading python3.8 from 3.8.3-1 to 3.8.4~rc1-1 breaks xpra

2 questions: 1. Recent upgrade of python3.8 and related packages (namely `python3.8` `python3.8-minimal` `libpython3.8` `libpython3.8-stdlib` `libpython3.8-minimal`) from 3.8.3-1 to 3.8.4~rc1-1 breaks xpra, causing it unable to create new X sessions. An example is to run `firejail --x11=xpra

Re: Upgrading python3.8 from 3.8.3-1 to 3.8.4~rc1-1 breaks xpra

Thanks Jörg snapshot.debian.org was a great help! Though I had trouble with apt to deal with the downgrade with depedencies, aptitude's interactive UI helped a lot. As for the xpra issue, it seemed to be something about xpra itself. I just found xpra was somehow not in the repo anymore.