--- features: - | Support shared vim for policy action execution upgrade: - | Because this version uses the tacker service tenant to manage the fernet key, please remove the registered VIM before upgrading this version. The upgrade steps are as follows. 1.Delete the registered VIM. If there is a VNF instance on the VIM, you need to delete the VNF instance first. 2.Upgrade with this version. 3.Register the deleted VIM.