This release contains bug fixes since the 2.15.0 release.
We recommend that you upgrade at the next available opportunity.
**Bugfixes**
* #6540 Segmentation fault when backfilling data with COPY into a compressed chunk
* #6858 Before update trigger not working correctly
* #6908 Fix gapfill with timezone behaviour around dst switches
* #6911 Fix dropped chunk metadata removal in update script
* #6940 Fix `pg_upgrade` failure by removing `regprocedure` from catalog table
* #6957 Fix segfault in UNION queries with ordering on compressed chunks
**Thanks**
* @DiAifU, @kiddhombre and @intermittentnrg for reporting issues with gapfill and daylight saving time
* @edgarzamora for reporting issue with update triggers
* @hongquan for reporting an issue with the update script
* @iliastsa and @SystemParadox for reporting an issue with COPY into a compressed chunk
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