This release contains performance improvements and bug fixes since
the 2.15.3 release. We recommend that you upgrade at the next
available opportunity.

**Features**
* timescale#6880: Add support for the array operators used for compressed DML batch filtering.
* timescale#6895: Improve the compressed DML expression pushdown.
* timescale#6897: Add support for replica identity on compressed hypertables.
* timescale#6918: Remove support for PG13.
* timescale#6920: Rework compression activity wal markers.
* timescale#6989: Add support for foreign keys when converting plain tables to hypertables.
* timescale#7020: Add support for the chunk column statistics tracking.
* timescale#7048: Add an index scan for INSERT DML decompression.
* timescale#7075: Reduce decompression on the compressed INSERT.
* timescale#7101: Reduce decompressions for the compressed UPDATE/DELETE.
* timescale#7108 Reduce decompressions for INSERTs with UNIQUE constraints
* timescale#7116 Use DELETE instead of TRUNCATE after compression
* timescale#7134 Refactor foreign key handling for compressed hypertables

**Bugfixes**
* timescale#7018: Fix `search_path` quoting in the compression defaults function.
* timescale#7046: Prevent locking for compressed tuples.
* timescale#7055: Fix the `scankey` for `segment by` columns, where the type `constant` is different to `variable`.
* timescale#7064: Fix the bug in the default `order by` calculation in compression.
* timescale#7069: Fix the index column name usage.
* timescale#7074: Fix the bug in the default `segment by` calculation in compression.

**Thanks**

to CHANGELOG.md
Patch by Yannis and Iain.

in CHANGELOG.md
Feedback by Ramon and Yannis.