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Release 479 (14 Dec 2025)

General​

  • Generate TLS certificates for internal cluster communications automatically when node discovery type is set to ANNOUNCE. (#27030)
  • Add support for specifying the location of the Exchange Manager configuration file. (#26611)
  • Publish time taken by query in FINISHING state to event listener. (#27202)
  • Add lineage support for output columns of SELECT queries. (#26241)
  • Add support for setting and dropping column defaults via ALTER TABLE ... ALTER COLUMN statement. (#26162)
  • Add array_first() and array_last() functions. (#27295)
  • Add GRACE PERIOD to SHOW CREATE MATERIALIZED VIEW output. (#27529)
  • Allow field name declaration in row literals. For example, row(1 as a, 2 as b) is now legal. (#25261)
  • Add queryText as a regular expression in resource group selector. (#27129)
  • ⚠️ Breaking change: Require JDK 25 to build and run Trino. (#27171)
  • ⚠️ Breaking change: The configuration property task.statistics-cpu-timer-enabled is now defunct and must be removed. (#27504)
  • Deprecate EXPLAIN type LOGICAL and DISTRIBUTED. Use EXPLAIN without a type clause, instead. (#27434)
  • Remove prefer_streaming_operators session property. (#27506)
  • Add experimental performance improvements for remote data exchanges on newer CPU architectures, such as Graviton 3, Skylake, Icelake, or Zen 4+. This can be disabled by setting exchange.experimental.vectorized-serde.enabled=false. (#27426, #26919)
  • Improve performance of array_sort() function. (#27272)
  • Improve performance of repeat() function. (#27369)
  • Improve performance of data exchanges involving variable width data. (#27377)
  • Improve performance of queries referencing fresh materialized views. (#27551)
  • Fix query failure when one of the branches of a UNION is known to produce zero rows during query planning. (#21506)
  • Fix configuring partitioned layout for spooling protocol. (#27247)
  • Fix EXPLAIN (TYPE IO) failure when the WHERE clause involves a type which cannot be cast to varchar. (#27433)

Web UI​

  • Render long single-line query string correctly in preview UI query details page. (#27328)
  • Render catalog properties correctly in preview UI. (#27327)

JDBC driver​

  • Add a extraHeaders option to support sending arbitrary HTTP headers. (#15826)

Docker image​

  • Update JDK to 25.0.1. (#27117)

CLI​

  • Add a --extra-header option to support sending arbitrary HTTP headers. (#15826)
  • Fix TLS connection failures when using unqualified (single-label, without ".") hostnames. (#27478)

BigQuery connector​

  • Fix query failure when reusing query() table function result. (#27573)

ClickHouse connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)

Delta Lake connector​

  • Add APPLICATION_DEFAULT authentication type for GCS. (#26984)
  • ⚠️ Breaking change: Remove support for unauthenticated access when GCS authentication type is set to SERVICE_ACCOUNT. (#26984)
  • Rename s3.exclusive-create config to delta.s3.transaction-log-conditional-writes.enabled. (#27372)
  • ⚠️ Breaking change: Require PutObjectTagging AWS S3 permission when writing to tables in S3 buckets, unless delta.s3.transaction-log-conditional-writes.enabled is set to false. This requirement is removed in a future release. (#27388)
  • Fix incorrect results for queries involving IS NOT DISTINCT FROM. (#27213)
  • Fix failure when writing to tables created by Databricks 17.3. (#27100)
  • Fix failure when checking Azure hierarchical namespaces. (#27278)
  • Avoid worker crashes by failing queries attempting to read columns with huge values in parquet files. (#27148)
  • Fix potential FileAlreadyExistsException failure when network failures occur during writes to S3. (#27330, #27388)
  • Fix potential failure when reading cloned tables. (#27098)

Druid connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)

DuckDB connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)

Exasol connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)

Hive connector​

  • Add APPLICATION_DEFAULT authentication type for GCS. (#26984)
  • ⚠️ Breaking change: Remove support for unauthenticated access when GCS authentication type is set to SERVICE_ACCOUNT. (#26984)
  • Rename s3.exclusive-create config to delta.s3.transaction-log-conditional-writes.enabled. (#27372)
  • Improve accuracy of table statistics written by INSERT queries with OVERWRITE behaviour. (#26517)
  • Fix failure when checking Azure hierarchical namespaces. (#27278)
  • Avoid worker crashes by failing queries attempting to read columns with huge values in parquet files. (#27148)
  • Fix potential FileAlreadyExistsException failure when network failures occur during writes to S3. (#27330)
  • Fix failure when listing tables with invalid table metadata in AWS Glue. (#27525)

Hudi connector​

  • Add APPLICATION_DEFAULT authentication type for GCS. (#26984)
  • ⚠️ Breaking change: Remove support for unauthenticated access when GCS authentication type is set to SERVICE_ACCOUNT. (#26984)
  • Fix failure when checking Azure hierarchical namespaces. (#27278)
  • Avoid worker crashes by failing queries attempting to read columns with huge values in parquet files. (#27148)
  • Fix potential FileAlreadyExistsException failure when network failures occur during writes to S3. (#27330)
  • Fix failure when querying HDFS that includes empty directories. (#26897)

Iceberg connector​

  • Add support for updating token-exchange-enabled via the iceberg.rest-catalog.oauth2.token-exchange-enabled config property. (#27174)
  • Add retain_last and clean_expired_metadata options to expire_snapshots command. (#27357)
  • Add APPLICATION_DEFAULT authentication type for GCS. (#26984)
  • ⚠️ Breaking change: Remove support for unauthenticated access when GCS authentication type is set to SERVICE_ACCOUNT. (#26984)
  • Reduce memory pressure when the table contains highly nested fields. (#25077)
  • Fix failures when querying $files table after changes to table partitioning. (#26746)
  • Fix incorrect results for queries involving IS NOT DISTINCT FROM. (#27213)
  • Fix failure when checking Azure hierarchical namespaces. (#27278)
  • Avoid worker crashes by failing queries attempting to read columns with huge values in parquet files. (#27148)
  • Fix potential FileAlreadyExistsException failure when network failures occur during writes to S3. (#27330)
  • Fix potential failure when dropping a schema with CASCADE option. (#27361)
  • Ignore non-existent or corrupted base Iceberg tables when querying materialized views within the grace period. (#27606)

Ignite connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)

Loki connector​

  • Fix failure when initializing the connector. (#27180)

MariaDB connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)

Memory connector​

  • Add support for setting and dropping column defaults via ALTER TABLE ... ALTER COLUMN. (#26162)
  • Fix failure in RENAME SCHEMA when there is more than one table in the schema. (#27205)

MySQL connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)
  • Fix incorrect results for queries involving IS NOT DISTINCT FROM. (#27213)

Oracle connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)

PostgreSQL connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)
  • Fix incorrect results for queries involving IS NOT DISTINCT FROM. (#27213)

Redshift connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)
  • Fix failure when reading Redshift character varying type. (#27224)

SingleStore connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)

Snowflake connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)

SQL Server connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)
  • Fix potential failure when listing tables and columns. (#10846)

Vertica connector​

  • ⚠️ Breaking change: Replace join-pushdown.with-expressions configuration property with deprecated.join-pushdown.with-expressions. The new property will be removed in a future version. (#27498)

SPI​

  • Add non-callback based entry builder to RowBlockBuilder. (#27198)
  • Add non-callback based entry builder to ArrayBlockBuilder. (#27198)
  • Fix ColumnMetadata.builderFrom to retain column default value. (#27503)