Citus 10.2

citus_10_2.txt

1) Postgres 14 support - https://github.com/citusdata/citus/pull/5209
1.1) Lots of newly supported features, see here for all the new imporovements: https://www.postgresql.org/docs/14/release-14.html

1.2) Major known unsupported PG 14 features on Citus 10.2: 
- COPY progress report when COPY dist/ref TO ... 
- Re-index partitioned tables: https://github.com/citusdata/citus/pull/5238
- OUT parameters on procedure pushdown delegation - https://github.com/citusdata/citus/pull/5228
- Extended statistics objects on expressions: https://github.com/citusdata/citus/pull/5224
- CTEs with search clause - https://github.com/citusdata/citus/pull/5234
- Postgres' column toast compression on columnar tables: https://github.com/citusdata/citus/pull/5235 -- Onur to review further

2) Timeseries management UDFs - https://github.com/citusdata/citus/pull/5236/files

3) Columnar Btree / Hash indexes, including primary key, unique/exclusion constraints 

4) start/stop metadata syncing is transactional - https://github.com/citusdata/citus/pull/5144  / https://github.com/citusdata/citus/pull/5086

5) Metadata syncing uses current user - https://github.com/citusdata/citus/pull/5105

6) Columnar improved support for parametrized execution - https://github.com/citusdata/citus/pull/5172

7) Enable binary encoding by default on PG 14 - https://github.com/citusdata/citus/pull/5242

8)  CREATE INDEX ... ON ONLY and ALTER INDEX ... ATTACH PARTITION - https://github.com/citusdata/citus/pull/5115

9) Speeds up dropping partitioned tables:  https://github.com/citusdata/citus/pull/5176

10) Bugfixes
 - Partitioning & Dropped columns - https://github.com/citusdata/citus/pull/5131
 - Memory corruption crash - https://github.com/citusdata/citus/pull/5170
 - Prevent deadlocks on concurrent citus_update_table_Statistics / create-drop partitions  - https://github.com/citusdata/citus/pull/5155
 - avoids epoll_ctl errors (e.g., give proper connection errors or failovers) - https://github.com/citusdata/citus/pull/5158
 - Fix issues around UNION / UNION ALL pushdown - https://github.com/citusdata/citus/pull/5079
 - Bugfixes around sequences on MX / https://github.com/citusdata/citus/pull/5133 / https://github.com/citusdata/citus/pull/4914 / https://github.com/citusdata/citus/pull/5061
 - Partitioned table - foreign keys - common pg_partman issue: https://github.com/citusdata/citus/pull/5191
 - Upgrade issues when public schema is dropped - https://github.com/citusdata/citus/pull/5030
 - Shard pruning on append/range distributed tables - https://github.com/citusdata/citus/issues/5077