editmode This was already supported in "Select" & "Deselect" but not in "Assign". So similar to rB6b39dc7672eb, we now check if the material corresponding to the currently selected material slot is found in other objects materials and assign this (instead of always assigning their 'own' actcol). Maniphest Tasks: T73871 Differential Revision: https://developer.blender.org/D6869