New Features
Storage and Compression
- Configurable table compression type — allows selecting specific compression algorithms per table.
#56276
- Adaptive compaction write caching — dynamically tunes write caching during base compaction rowset flush.
#56278
Cloud and Object Storage
- Cloud mode query freshness control — adds user-defined tolerance between data latency and consistency.
#56390
- Object storage endpoint validation relaxed — enables private or custom storage endpoints.
#56641
Datalake
- OSS support for Datalake VPC Endpoints (
dlf/datalake-vpc)**.
#56476
- AWS Glue Catalog now supports accessing S3 via IAM AssumeRole.
#57036
- S3 Client updated to use
CustomAwsCredentialsProviderChain for improved credential management.
#56943
Functional Enhancements
- Java UDF now supports IP type.
#56346
- BE REST API adds
RunningTasks output for monitoring.
#56781
- Transaction monitoring adds BRPC write-amplification metrics.
#56832
Optimizations
Query Execution and Planner
COUNT(\*) optimization** — automatically selects the smallest column to reduce scan load.
#56483
- Compaction skips empty rowsets to improve throughput.
#56768
- Warmup statistics add “skipped rowset” metric for better visibility.
#56373
Storage Layer
- Variant column cache added for sparse columns to speed up reads.
#56730
- Segment footer is now cached in Index Page Cache to reduce latency.
#56459
- Recycler supports parallel cleanup tasks to increase throughput.
#56573
Datalake
- Paimon Time Travel improved and schema mismatch fixed.
#56338
- Iceberg scan error messages refined and nested namespaces supported.
#56370, #57035
- Legacy DLF catalog properties removed.
#56196, #56505
- JSON Load now defaults to row-by-row parsing mode for line-based data.
#56736
Bug Fixes
Datalake
- Fixed Iceberg system table classloader error.
#56220
- Fixed Iceberg partition table failure when no partition values exist.
#57043
- Fixed S3A catalog not using IAM AssumeRole profile properly.
#56250
- Disabled Hadoop FileSystem cache for multi-config object storage catalogs.
#57153
Query Execution and SQL Engine
- Fixed
COUNT pushdown logic error.
#56482
- Fixed
UNION local shuffle behavior bug.
#56556
- Fixed crash in
IN predicate for OLAP storage types.
#56834
- Fixed
timestampdiff computation error for datetimev1.
#56893
- Fixed crash caused by
explode() function.
#57002
Storage and Load
- Fixed S3 Load check failure when no source file exists.
#56376
- Fixed FileCache cleanup crash.
#56584
- Fixed delete bitmap not cleared in MOW compression.
#56785
- Fixed Outfile bz2 compression failure for small files.
#57041
Cloud and Recycler Mechanism
- Fixed Warmup skipping multi-segment rowsets.
#56680
- Fixed CloudTablet Warmup coredump on reference capture.
#56627
- Fixed Recycler null pointer crash in cleanup task.
#56773
- Fixed uncaught partition boundary error in Cloud mode.
#56968
System and Miscellaneous
- Fixed incorrect Prometheus metric format in FE.
#57082
- Fixed auto-increment value incorrect after FE restart.
#57118
- Fixed
SHOW CREATE VIEW missing column definitions.
#57045
- Fixed HDFS Reader crash when sampling Profile data.
#56950
