Was rigging my model and suddenly the armature disappeared. Don't remember using weird shortcuts apart from Ctrl+Tab to enter/exit pose mode.
In the outliner it actually shows up as 'active' and 'visible' but cannot see it. I'm using blender 2.82 The project does not come from older versions, it was created in this one. Already tried Alt+H
Found this: Armature Disappeared but it doesn't work for me.