Awesome! Thank Hui Fei for all the effort of making the 2.2.0 release happen!
Thanks to everyone who contributed to this release! On Fri, 17 Jul 2026 at 11:28, Hui Fei <[email protected]> wrote: > Hi community, > > We are excited to announce the release of Apache Ozone 2.2.0! > > Release notes: > https://ozone.apache.org/release-notes/2.2.0/ > > Documentation: > https://ozone.apache.org/docs/ > > Javadoc: > https://javadoc.io/doc/org.apache.ozone > > Github release page: > https://github.com/apache/ozone/releases/tag/ozone-2.2.0 > Notable Changes > > HDDS-13003 <https://issues.apache.org/jira/browse/HDDS-13003> | *Major* | > Snapshot > Defragmentation to reduce storage footprint > > Snapshot defragmentation reduces snapshot storage footprint and improves > snapshot local-data, locking, and diff handling. > ------------------------------ > > HDDS-12716 <https://issues.apache.org/jira/browse/HDDS-12716> | *Major* | > Ozone > S3 gateway Phase 4 > > S3 Gateway Phase 4 delivers broad S3 API compatibility, request handling, > metrics, and correctness improvements. > ------------------------------ > > HDDS-13177 <https://issues.apache.org/jira/browse/HDDS-13177> | *Major* | > Storage > Capacity Distribution > > Storage capacity distribution improvements expand reporting and > operational visibility in Recon and SCM. > ------------------------------ > > HDDS-10519 <https://issues.apache.org/jira/browse/HDDS-10519> | *Major* | > Refactor > OM info/args objects > > Ozone Manager metadata and argument objects were refactored toward > immutability, builders, and safer request-state handling. > ------------------------------ > > HDDS-5404 <https://issues.apache.org/jira/browse/HDDS-5404> | *Major* | > upgrade > protobuf to proto3 > > Ozone moves toward protobuf 3 and removes older protobuf compilation paths. > ------------------------------ > > HDDS-5713 <https://issues.apache.org/jira/browse/HDDS-5713> | *Major* | Add > a disk balancer for datanode > > Disk Balancer adds and refines DataNode disk balancing, validation, > metrics, and command output. > ------------------------------ > > HDDS-14424 <https://issues.apache.org/jira/browse/HDDS-14424> | *Major* | OM > HA: Support Follower Read (Phase 1) > > OM HA follower reads add foundations for scaling read paths through > follower-side reads. > ------------------------------ > > HDDS-10338 <https://issues.apache.org/jira/browse/HDDS-10338> | *Major* | > Implement > a Client Datanode API to stream a block > > Client-to-DataNode stream block APIs lay groundwork for more efficient > streaming reads. > ------------------------------ > > HDDS-14937 <https://issues.apache.org/jira/browse/HDDS-14937> | *Major* | > Ozone > native implementation of Iceberg RewriteTablePath > > Iceberg RewriteTablePath support adds Ozone-native path migration actions > and CLI integration. > ------------------------------ > > HDDS-13679 <https://issues.apache.org/jira/browse/HDDS-13679> | *Major* | > Distributed > tracing improvement > > Distributed tracing improvements introduce OpenTelemetry-oriented tracing > configuration and runtime support. > ------------------------------ > > HDDS-14886 <https://issues.apache.org/jira/browse/HDDS-14886> | *Major* | > Umbrella: > Improve SCMHAInvocationHandler > > SCM HA invocation handling is simplified and replaced with direct Ratis > invocation paths. > ------------------------------ > > HDDS-13117 <https://issues.apache.org/jira/browse/HDDS-13117> | *Major* | Add > support for S3 conditional requests > > S3 conditional request support adds PutObject conditional-write semantics. > ------------------------------ > > HDDS-12090 <https://issues.apache.org/jira/browse/HDDS-12090> | *Major* | Fix > Snapshot Bootstrapping race condition to prevent snapshot corruption > > Snapshot bootstrapping fixes strengthen lock ordering and race protection > to prevent corruption. > ------------------------------ > > HDDS-11825 <https://issues.apache.org/jira/browse/HDDS-11825> | *Major* | > Support > interactive mode for ozone CLI > > The Ozone interactive CLI submodule adds an interactive shell experience > and related command improvements. > > > > > >
