As the deepin manjaro from time to time gets broken, this thread should only be used to post workarounds to get it (almost) running stable again. Most times especially the deepin window manager makes a lot of trouble, getting an unusable desktop environment.
On a new update, post the date of the breaking update as title and then describe the problems and the tasks you did to solve it.
I recommend installing the “downgrade” tool, to easily move between different versions of packages, if a very unstable package is delivered to you by update. It’s part of the community packages, so install by
sudo pacman -S downgrade
or use the pamac GUI to do so: