System Information
Operating system: Linux Fedora 32 64bit
Graphics card: GTX 650Ti
Blender Version
Broken: 2.90, 2.91 Alpha
Worked: 2.83 2.81 2.73a
Short description of error
Add cube, use multires modifier in simple mode adn subdivide 3 times. Tab to edit mode and bevel ona or all verts. Tab to object mode again. Mesh are damaged.
Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).
