Environment Rollbacks - missing buttons


we are currently on Gitlab CE 15.5.1 self-hosted.

We use the Environment settings (Deployments → Environments) of gitlab. Since the last update we are missing the redeploy buttons for older releases. This was a really good feature for rollbacks.

Currently I only see a rollback-button for the lastest Release. It looks so :

But it should be something of

Have I missed something in the changelog? I think it’s a bug because it’s currently unusable like it is.