In meviy, holes on the same surface that have the same diameter and type are treated as a group.
Hole type changes are applied to a whole group, so if you would like to specify a different hole type for each hole in the group, please split the grouped holes.
Click and select the grouped holes.
Select the holes you want to split from the group.
The selected holes will be highlighted in blue. You can select multiple holes to split from the group.
Click [Split].
The selected holes will be separated from the group.
After splitting, you will be able to change the hole type for each hole.