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Iceberg Integration
- Advanced Snapshot Managementmanagement
- Support for Branches & Tags
- Support for Positional Deletes
- support
- DML (insert/update/delete/merge)
- Support for COW & MOR modes
- Vectorised Reads & Writes
- Support for queries with Partition clause
- Support for LOAD DATA queries
- Table migration command
- LOAD DATA statements support
- Partition-level operations support
- Improved statistics (column stats support)Better Statistics Management

Hive ACID
- Use sequences for TXN_ID generation (performance)
- Read-only transactions optimization
- Zero-wait readers
- Optimistic and Pessimistic concurrency control
- Lockless reads

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Compaction
- Rebalance compaction (Hive ACID)
- Compaction requests prioritization (compaction pooling)
- Iceberg compaction (Major)

Hive Metastore
- API optimization (performance)
- Dynamic leader election
- External data sources support
- HMS support for Thrift over HTTP
- JWT authentication for Thrift over HTTP
- HMS metadata summary
- Use Zookeeper for service discovery

HiveServer2
- Support SAML 2.0/JWT authentication mode
- Support both Kerberos and LDAP auth methods in parallel
- Graceful shutdown
- Easy access to the operation log through web UI

Hive Replication
- Optimised Bootstrap Solution
- Support for Snapshot Based Replication for External Table
- Better Replication Tracking Metrics
- Support for Checkpointing during Replication

Security
- Authorizations in alter table/view, UDFs, and Views created from Apache Spark.
- Authorizations on tables created based on storage handlers.
- Critical CVE fixes of transitive dependencies.

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