+>=19.0.0
+
+* RGW: S3 multipart uploads using Server-Side Encryption now replicate correctly in
+ multi-site. Previously, the replicas of such objects were corrupted on decryption.
+ A new tool, ``radosgw-admin bucket resync encrypted multipart``, can be used to
+ identify these original multipart uploads. The ``LastModified`` timestamp of any
+ identified object is incremented by 1ns to cause peer zones to replicate it again.
+ For multi-site deployments that make any use of Server-Side Encryption, we
+ recommended running this command against every bucket in every zone after all
+ zones have upgraded.
+
>=18.0.0
* The RGW policy parser now rejects unknown principals by default. If you are