In the last Blender 2.83 version, the function to remove doubles and merge vertices is moved to the “m” key code. The “alt + m” key code, used before, now executes the “Split” functions.
Remove doubles in Blender 2.83
Blender 3D: tutorials, articles, tips, notes
In the last Blender 2.83 version, the function to remove doubles and merge vertices is moved to the “m” key code. The “alt + m” key code, used before, now executes the “Split” functions.