It is a regular maintenance release, including base release features, additionally latest patches and Upstream fixes packaged.
IMPALA-7802 - Idle client connections are now closed to conserve front-end service threads.
IMPALA-8469 - Fixed the issue where Impala clusters with dedicated coordinators incorrectly rejected queries destined for memory pools with configured limits.
IMPALA-8549 - Added support for scanning DEFLATE text files.
IMPALA-8595 - Impala supports TLS v1.2 with the Python version 2.7.9 and older in impala-shell.
IMPALA-8673 - Added the DEFAULT_HINTS_INSERT_STATEMENT query option for setting the default hints for the INSERT statements when no optimizer hint was specified.
You can download the parcel(s) from our archive and apply it directly to provisioned clusters without disrupting Your currently running CDH workloads.
Archive continues to provide access to both variants.