```release-note:enhancement
compute: Marked `stateful_disk` as GA in `google_compute_ instance_group_manager` 
```
```release-note:enhancement
compute: Marked `stateful_disk` as GA in `google_compute_ region_instance_group_manager` 
```
```release-note:enhancement
compute: Marked `google_compute_ per_instance_config` as GA
```
```release-note:enhancement
compute: Marked `google_compute_ region_per_instance_config` as GA
```