Description New Features
Query Engine
Support Dereference Expressions #58550
Data Lake & External Catalogs
Catalog supports loading credentials via AwsCredentialsProviderChain #59054
Support passing credentials_provider_type to BE for S3 access #59158
Support Elasticsearch flatten data type #58793
Observability & Audit
Support encrypting SQL statements stored in audit logs #58508
QueryPlanAction supports writing SQL from table query plans into audit logs #59121
Generate SQL Digest for statements parsed by Nereids #59215
Optimizations & Improvements
Query Engine
Adjust type inference and coercion behavior to improve expression consistency #57961
Prevent analysis tasks from polluting column statistics cache, improving statistics accuracy #58742
Improve execution of queries with multiple DISTINCT aggregate functions #58973
Optimize Join / Set / CTE / predicate pushdown rules to avoid unnecessary plan complexity#58664 , #59141 , #59151
Data Lake & External Catalogs
Accelerate Hive partition pruning and write performance, significantly reducing write latency for large partitioned tables#58886 , #58932
Iceberg supports ignoring dangling deletes to improve COUNT pushdown #59069
Enhance Iceberg REST Catalog connectivity checks and network timeout handling#58433 , #58434
Align Paimon incremental query behavior with Spark in single-snapshot scenarios #58253
Doris Cloud (Compute-Storage Separation)
Support dynamically updating tablet rebalancer configuration to improve operational flexibility in cloud environments #58376
Optimize TopN queries in compute-storage separation scenarios to avoid unnecessary remote broadcast reads#58112 , #58155
Improve tablet performance consistency during upgrade processes, reducing hotspot risks #58247
Make File Cache adaptive during Schema Change to reduce cache impact for large tables #58622
Add download wait time metrics to query profiles to improve IO observability #58870
Enhance File Cache debugging capabilities with LRU dump support #58871
Security & Stability
Enforce HTTPS for Glue Catalog to improve external catalog security #58366
Add SSRF validation for Create Stage #58874
Bug Fixes
Query Engine
Fix potential infinite loops triggered by TopN / Limit / Join rules in specific scenarios #58697
Fix logic errors in aggregation, window functions, Repeat, and type conversion#58080 , #58114 , #58330 , #58548
Materialized Views (MV)
Disallow creating invalid materialized views with value column predicates on MOW tables #57937
Data Ingestion
Fix undefined behavior caused by multiple invocations of the JSON Reader, preventing potential data corruption #58192
Fix incorrect behavior related to COLUMNS FROM PATH in Broker Load#58351 , #58904
Fix abnormal behavior of Group Commit when nodes are offline or decommissioned #59118
Fix failures in Load / Delete / Partial Update under specific edge conditions #58553 , #58230 , #59096
Doris Cloud (Compute-Storage Separation)
Fix stability issues in compute-storage separation scenarios, including Tablet Drop, Compaction, and slow initial startup#58157 , #58195 , #58761
Fix crashes and resource leaks in File Cache under abnormal conditions or BE failures#58196 , #58819 , #59058
Fix abnormal read behavior caused by uncleared Segment Footer Cache after compaction #59185
Fix failures when executing Copy Into with ORC / Parquet formats #58551
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New Features
Query Engine
Data Lake & External Catalogs
AwsCredentialsProviderChain#59054credentials_provider_typeto BE for S3 access #59158flattendata type #58793Observability & Audit
Optimizations & Improvements
Query Engine
#58664, #59141, #59151
Data Lake & External Catalogs
#58886, #58932
#58433, #58434
Doris Cloud (Compute-Storage Separation)
#58112, #58155
Security & Stability
Bug Fixes
Query Engine
#58080, #58114, #58330, #58548
Materialized Views (MV)
Data Ingestion
COLUMNS FROM PATHin Broker Load#58351, #58904
Doris Cloud (Compute-Storage Separation)
#58157, #58195, #58761
#58196, #58819, #59058