- `bpy_struct.id_data` - provide a type. - `bpy_struct` - add missing return types to `bpy_struct.get`, `bpy_struct.pop`, `bpy_struct.path_resolve`. - `bpy_struct` - add missing argument types to some methods. - `bpy_struct` - provide explicit `/` and `*` in signatures to make it clear which arguments are positional / keyword-only. Ref !141334