Blender Version
Broken: version: 3.2.0 Alpha, branch: master, commit date: 2022-04-05 23:33, hash: rB931ae424b9ef
Short description of error
To reproduce:
- Duplicate the default cube twice.
- Add subdivision surface modifier for the active cube.
- Apply modifier to the active cube + make mesh single-user in the pop-up.
All three cubes have unique meshes.