While using AWS multi-region key, if a customer selects a new region for their CMK, Atlas will trigger a key rotation process which could take some time to complete depending on the disk usage. Can we introduce native support for AWS multi-region key so Atlas does not have to re-encrypt data if CMK ID is the same in the new region.

https://docs.aws.amazon.com/kms/latest/developerguide/multi-region-keys-overview.html