This is the first release of Dovecot Pro 3.x.

This release introduces the Dovecot Pro Palomar Architecture as the replacement to the OX Dovecot Pro 2.x Director-based architecture.

Additionally, this release introduces the new Storage Support strategy for Dovecot Pro.

• Support for Azure Blob and "S3 Compatible" storages have been added.
• All storages must use the obox mailbox format.
• All object storage must use fs-dictmap for mailbox metadata storage.

Known Issues

• Deploying Dovecot Pro Palomar Controller with docker-compose is experimental.