This release adds major new features since the 2.7.2 release.
We deem it moderate priority for upgrading.
This release includes these noteworthy features:
* time_bucket now supports bucketing by month, year and timezone
* Improve performance of bulk SELECT and COPY for distributed hypertables
* 1 step CAgg policy management
* Migrate Continuous Aggregates to the new format
**Features**
* timescale#4188 Use COPY protocol in row-by-row fetcher
* timescale#4307 Mark partialize_agg as parallel safe
* timescale#4380 Enable chunk exclusion for space dimensions in UPDATE/DELETE
* timescale#4384 Add schedule_interval to policies
* timescale#4390 Faster lookup of chunks by point
* timescale#4393 Support intervals with day component when constifying now()
* timescale#4397 Support intervals with month component when constifying now()
* timescale#4405 Support ON CONFLICT ON CONSTRAINT for hypertables
* timescale#4412 Add telemetry about replication
* timescale#4415 Drop remote data when detaching data node
* timescale#4416 Handle TRUNCATE TABLE on chunks
* timescale#4425 Add parameter check_config to alter_job
* timescale#4430 Create index on Continuous Aggregates
* timescale#4439 Allow ORDER BY on continuous aggregates
* timescale#4443 Add stateful partition mappings
* timescale#4484 Use non-blocking data node connections for COPY
* timescale#4495 Support add_dimension() with existing data
* timescale#4502 Add chunks to baserel cache on chunk exclusion
* timescale#4545 Add hypertable distributed argument and defaults
* timescale#4552 Migrate Continuous Aggregates to the new format
* timescale#4556 Add runtime exclusion for hypertables
* timescale#4561 Change get_git_commit to return full commit hash
* timescale#4563 1 step CAgg policy management
* timescale#4641 Allow bucketing by month, year, century in time_bucket and time_bucket_gapfill
* timescale#4642 Add timezone support to time_bucket
**Bugfixes**
* timescale#4359 Create composite index on segmentby columns
* timescale#4374 Remove constified now() constraints from plan
* timescale#4416 Handle TRUNCATE TABLE on chunks
* timescale#4478 Synchronize chunk cache sizes
* timescale#4486 Adding boolean column with default value doesn't work on compressed table
* timescale#4512 Fix unaligned pointer access
* timescale#4519 Throw better error message on incompatible row fetcher settings
* timescale#4549 Fix dump_meta_data for windows
* timescale#4553 Fix timescaledb_post_restore GUC handling
* timescale#4573 Load TSL library on compressed_data_out call
* timescale#4575 Fix use of `get_partition_hash` and `get_partition_for_key` inside an IMMUTABLE function
* timescale#4577 Fix segfaults in compression code with corrupt data
* timescale#4580 Handle default privileges on CAggs properly
* timescale#4582 Fix assertion in GRANT .. ON ALL TABLES IN SCHEMA
* timescale#4583 Fix partitioning functions
* timescale#4589 Fix rename for distributed hypertable
* timescale#4601 Reset compression sequence when group resets
* timescale#4611 Fix a potential OOM when loading large data sets into a hypertable
* timescale#4624 Fix heap buffer overflow
* timescale#4627 Fix telemetry initialization
* timescale#4631 Ensure TSL library is loaded on database upgrades
* timescale#4646 Fix time_bucket_ng origin handling
* timescale#4647 Fix the error "SubPlan found with no parent plan" that occurred if using joins in RETURNING clause.
**Thanks**
* @AlmiS for reporting error on `get_partition_hash` executed inside an IMMUTABLE function
* @Creatation for reporting an issue with renaming hypertables
* @janko for reporting an issue when adding bool column with default value to compressed hypertable
* @jayadevanm for reporting error of TRUNCATE TABLE on compressed chunk
* @michaelkitson for reporting permission errors using default privileges on Continuous Aggregates
* @mwahlhuetter for reporting error in joins in RETURNING clause
* @ninjaltd and @mrksngl for reporting a potential OOM when loading large data sets into a hypertable
* @PBudmark for reporting an issue with dump_meta_data.sql on Windows
* @ssmoss for reporting an issue with time_bucket_ng origin handling