[Testing Update] 2020-12-07 - BREAKAGE EXPECTED - Kernels, Mesa 20.3, Python 3.9, Pamac 10

[mithrial]

This is from AUR, you need do build it again (yay dockbarx) and then select “Clean Build”.
Some dependencies also might need a rebuild.
yay -S $(pacman -Qmq | grep python)
will update all python packages (also the ones for Python 2, but rather rebuild more than not enough, right?)