For every version release, we have a corresponding release note on Github Release. If there are any breaking changes introduced, normally in a version with miner version number(0.xx.0) bumpped, we will put them at release note with in a conspicuous position.
If there any prerequisites before upgrading to a version, we will have them noted in Upgrade Guides as well.
To upgrade a AFFiNE self-host deployment that was installed using Docker Compose, You need to pull the latest images manually:
After upgrading to latest version, the old images can be safely cleaned up.