This is a release of Apache Hadoop 3.3 line.
It contains a small number security and critical integration fixes since 3.3.3.
Users of Apache Hadoop 3.3.3 should upgrade to this release.
Users of hadoop 2.x and hadoop 3.2 should also upgrade to the 3.3.x line. As well as feature enhancements, this is the sole branch currently receiving fixes for anything other than critical security/data integrity issues.
Users are encouraged to read the overview of major changes since release 3.3.3. For details of bug fixes, improvements, and other enhancements since the previous 3.3.3 release, please check release notes and changelog.2022 Aug 8