Release Notes - Hive - Version 2.3.8


** Bug
    * [HIVE-23980] - Shade guava from existing Hive versions
    * [HIVE-24512] - Exclude calcite in packaging Hive

** Improvement
    * [HIVE-24324] - Remove deprecated API usage from Avro
    * [HIVE-24379] - Backport HIVE-19662 to branch-2.3
    * [HIVE-24436] - Fix Avro NULL_DEFAULT_VALUE compatibility issue

** Test
    * [HIVE-23323] - Add qsplits profile
    * [HIVE-24035] - Add Jenkinsfile for branch-2.3