Altinity Antalya release v25.8.12.20747.altinityantalya (f5fb292) as compared to upstream/v25.8.12.129-lts (a53ebd72b2d)

New Feature

• Introduce token-based authentication and authorization (#1078 by @zvonand)
• Split large parquet files on part export, preserve entire settings object in part export (#1229 by @arthurpassos)

Improvement

• Profile events for task distribution in ObjectStorageCluster requests (#1172 by @ianton-ru)
• Set max message size on parquet v3 reader to avoid getting DB::Exception: apache::thrift::transport::TTransportException: MaxMessageSize reached (#1198 by @arthurpassos)

Performance Improvement

• Parquet reader v3 is enabled by default (ClickHouse#79012, ClickHouse#87735 and ClickHouse#88827 by @al13n321 via #1232)
• Distributed execution: better split tasks by row groups IDs, not by files (ClickHouse#87508 by @scanhex12 via #1237)

Critical Bug Fix (crash, data loss, RBAC) or LOGICAL_ERROR

• Fix segfault on unexpected node shutdown (#1201 @ianton-ru)
• Fix segfault in requests to system,table when table in Iceberg catalog does not have snapshot (#1211 by @ianton-ru)
• Now datalakes catalogs will be shown in system introspection tables only if show_data_lake_catalogs_in_system_tables explicitly enabled (ClickHouse#88341 by @alesapin via #1239)

Bug Fix (user-visible misbehavior in an official stable release)

• Fix IN with Iceberg table (#1168 by @ianton-ru)
• Fix for task distribution in cluster requests (#1178 by @ianton-ru)
• Fix min/max value in Iceberg writes (#1192 by @ianton-ru)
• Fixes a bug where toDateTimeOrNull of a negative argument returns NULL (ClickHouse#90490 by @yariks5s via #1206)
• Fix missing leading slash for some local iceberg tables (#1212 by @zvonand)
• Revert "Fix redundant host resolution in DDL Worker" (#1219 by @ianton-ru)
• explicit POCO request for REST-polaris catalog (ClickHouse#91437 by @scanhex12 via #1224)
• Fix confusing cluster name and named collection name in cluster functions (#1234 by @ianton-ru)

Build/Testing/Packaging Improvement

• Fix test 03644_object_storage_correlated_subqueries (#1203 by @ianton-ru)

Documentation

• Documentation for Swarm features in Antalya branch (#1165 by @ianton-ru)

And ALL Antalya features from previous releases

Packages

Available for both AMD64 and Aarch64 from https://builds.altinity.cloud/#altinityantalya as either .deb, .rpm, or .tgz

Docker images

Available for both AMD64 and Aarch64: altinity/clickhouse-server:25.8.12.20747.altinityantalya

Full Changelog: https://github.com/ClickHouse/ClickHouse/compare/v25.8.12.129-lts...Altinity:ClickHouse:v25.8.12.20747.altinityantalya?expand=1

Altinity Antalya release v25.8.9.20496.altinityantalya (f5fb292) as compared to v25.8.9.20238.altinityantalya (1a190de)

New Feature

• Setting iceberg_timezone_for_timestamptz for Iceberg timestamptz type. (#1103 by @ianton-ru)
• icebergLocalCluster table function. (#1120 by @ianton-ru)
• Export partition support for ReplicatedMergeTree engine (#1124, #1161, #1167 by @arthurpassos)

Improvement

• Allow to read Iceberg data from any location. (#1092, #1163 by @zvonand)
• Preserve a few file format settings in the export part manifest to be able to better control parallelism. (#1106 by @arthurpassos)
• Do not send min/max info on swarm nodes when setting allow_experimental_iceberg_read_optimization is turned off. (#1109 by @ianton-ru)
• More metrics for Iceberg, S3, and Azure. (#1123 by @ianton-ru)
• Fix parquet writing not preserving original order when using single threaded writing with the native writer. (#1143 by @arthurpassos)
• Preserve the entire format settings object in export part manifest. (#1144 by @arthurpassos)
• Added experimental support in the Hybrid table engine to automatically reconcile column-type mismatches across segments via hybrid_table_auto_cast_columns (analyzer only). This allows queries to return consistent headers even when the underlying tables use different physical types. (#1156 by @filimonov)

Bug Fix (user-visible misbehavior in an official stable release)

• Fixed an issue when the missing "field_id" would cause the query to fail. (#1171 by @mkmkme)
• Fix joins with Iceberg tables Solved #1063. (#1082 by @ianton-ru)
• Check multiplexed connection before usage. (#1102 by @ianton-ru)
• Fix SYSTEM DROP FILESYSTEM CACHE ON CLUSTER. (#1130 by @ianton-ru)
• Fixed PREWHERE for StorageObjectStorageCluster. (#1137 by @ianton-ru)
• Never put hive partition columns in the format header. Fixes #87515. (ClickHouse#87528 by @arthurpassos via #1149)
• Fix crash due to incompatible headers when mutation changed the schema between scheduling and executing part exports. (#1150 by @arthurpassos)
• Revert support for 'IN' in cluster requests. (#1160 by @ianton-ru)
• Fixed logical errors in _row_number virtual column and iceberg positioned deletes. (ClickHouse#87220 by @al13n321 via #1136)
• Fix JSON Exception in iceberg table with timestamp column when using glue catalog. Resolves #90210. (ClickHouse#90209 by @alsugiliazova via #1151)
• Make parquet reader v3 preserve decimal precision information. (ClickHouse#87444 by @al13n321 via #1140)
• More fixes for parquet reader v3, enable it in stateless tests. (ClickHouse#87600 by @al13n321 via #1138)

And ALL Antalya features from previous releases

Packages

Available for both AMD64 and Aarch64 from https://builds.altinity.cloud/#altinityantalya as either .deb, .rpm, or .tgz

Docker images

Available for both AMD64 and Aarch64: altinity/clickhouse-server:25.8.9.20496.altinityantalya

Full Changelog: v25.8.9.20238.altinityantalya...v25.8.9.20496.altinityantalya

Altinity Antalya release v25.8.9.20238.altinityantalya (1a190de) as compared to v25.8.9.20207.altinityantalya (044fdbd)

Bug Fix (user-visible misbehavior in an official stable release)

• Proper handling of opt-in AWS regions for S3. (#1101 by @zvonand)
• Do not throw exception when reading Iceberg metadata failed in call to system.tables. (#1098 by @zvonand)

Missing ports from previous releases

• Iceberg addtional columns in system tables. (#959 and #1026 by @zvonand via #1095)
• Make DataLake metadata more lazy. (#742 by @ianton-ru via #1096)

Packages

Available for both AMD64 and Aarch64 from https://builds.altinity.cloud/#altinityantalya as either .deb, .rpm, or .tgz

Docker images

Available for both AMD64 and Aarch64: altinity/clickhouse-server:25.8.9.20238.altinityantalya

Full Changelog

v25.8.9.20207.altinityantalya...v25.8.9.20238.altinityantalya

Altinity Antalya release v25.8.9.20207 (044fdbd) as compared to upstream/v25.8.9.20-lts (a1f4cd9c23f)

New Feature

• Engine=hybrid implementation. (#1071 by @filimonov)

Experimental Feature

• Read optimization using Iceberg metadata Port of #1019 with many changes. (#1069, #1076 by @ianton-ru)

Improvement

• Fix data lake tables with a percent-encoded sequence in the name. (ClickHouse#87020 by @ianton-ru via #1060)
• Allow any partition strategy to accept part export. (#1083 by @arthurpassos)

Bug Fix (user-visible misbehavior in an official stable release)

• Fix for 'virtual' packet on connection lost (#1024 by @ianton-ru via #1059)
• Deduce Iceberg metadata from Glue's Location. (#1070 by @zvonand)

And ALL Antalya features from previous releases

Packages

Available for both AMD64 and Aarch64 from https://builds.altinity.cloud/#altinityantalya as either .deb, .rpm, or .tgz

Docker images

Available for both AMD64 and Aarch64: altinity/clickhouse-server:25.8.9.20207.altinityantalya

Full Changelog: v25.8.9.20-lts...v25.8.9.20207.altinityantalya

Changes compared to previous Altinity Antalya release v25.6.5.20363.altinityantalya (1baa927bf95feed16ccaa12ed3e8b141e257bd68)

Experimental Feature

• Read optimization using Iceberg metadata. (#1019 by @ianton-ru)

Improvement

• Added observability for EXPORT PART: system.exports table, profile events, etc (#1017 by @arthurpassos)
• Allow key-value arguments in S3 table engine (ClickHouse#85134 by @kssenii via #1028)

Bug Fix (user-visible misbehavior in an official stable release)

• Never put hive partition columns in the format header. Fixes [ClickHouse#87515] (ClickHouse#87515, ClickHouse#87621 by @arthurpassos via #1037)
• Only parse hive partition columns as LowCardinality if they are parsed as Strings. (#1037 by @arthurpassos)
• Fix lock_object_storage_task_distribution_ms when one of replica is lost, changed lock_object_storage_task_distribution_ms default value to 500. (#1042 by @ianton-ru)
• Fix handling of timestamp / timestamptz columns in Glue Catalog. Fixes #87609 (ClickHouse#87733 by @zvonand via #1053).

Build/Testing/Packaging Improvement

• Do not send crash reports to crash.clickhouse.com. (#1047 by @Enmk)
• Update artifact upload paths to be uniform and match 25.8. (#1055 by @MyroTk)

Changes compared to upstream/v25.6.5.41-stable (533d680)

New Feature

• Add support for hive partition style reads and writes. ([ClickHouse#76802](ClickHouse#76802 by @arthurpassos) via #934)
• Implement AWS S3 authentication with an explicitly provided IAM role. Implement OAuth for GCS. These features were recently only available in ClickHouse Cloud and are now open-sourced. Synchronize some interfaces such as serialization of the connection parameters for object storages. (ClickHouse#84011 by @alexey-milovidov via #986)

Experimental Feature

• Restart loading files from object storage on other nodes when one node down in a swarm query. (#780 by @ianton-ru)
• Simple MergeTree part export to object storage (#1009 by @arthurpassos)
• JOIN with *Cluster table functions and swarm queries. (#972 by @ianton-ru)
• SYSTEM STOP SWARM MODE command for graceful shutdown of swarm node. (#1014 by @ianton-ru)

Improvement

• Expose IcebergS3 partition_key and sorting_key in system.tables. (#959 by @zvonand)
• Fix an issue where the exception was thrown upon clickhouse-client connection to the server with a DataLakeCatalog database misconfigured. The exception will still be logged in the server log. (ClickHouse#83298 by @scanhex12 via #970)
• Now database Datalake throws a more convenient exception. Fixes ClickHouse#81211. (ClickHouse#82304 by @alesapin via #974)
• Turned on experimental catalog types for DataLakeCatalog database engine by default: iceberg, unity, and glue. (#988 by @Enmk)
• Support writing parquet enum as byte array as the spec dictates. (ClickHouse#81090 by @arthurpassos, ClickHouse#84169 by @Avogar via #989)
• Support TimestampTZ in Glue catalog. Fixes ClickHouse#81654 (ClickHouse#83132 by @scanhex12 via #992)
• Now clickhouse supports compressed metadata.json files for Iceberg. Fixes ClickHouse#70874. (ClickHouse#81451 by @alesapin via #1005)

Bug Fix (user-visible misbehavior in an official stable release)

• Now ClickHouse can read iceberg tables from Glue catalog after schema evolution. Fixes ClickHouse#81272 (ClickHouse#82301 by @alesapin via #991)
• Fail when all replicas are unavailable for *cluster functions. (ClickHouse#86414 by @jmaicher via #993)
• Few fixes to object storage hive reads & writes (ClickHouse#85538 by @arthurpassos via #1001)

And ALL Antalya features from previous releases

Packages

Available for both AMD64 and Aarch64 from https://builds.altinity.cloud/#altinityantalya as either .deb, .rpm, or .tgz

Docker images

Available for both AMD64 and Aarch64: altinity/clickhouse-server:25.6.5.20363.altinityantalya

Full Changelog: v25.6.5.41-stable...v25.6.5.20363.altinityantalya

Altinity Antalya release v25.3.3.20186.altinityantalya (143c05f) as compared to v25.3.3.20183.altinityantalya (1abef61)

New Feature

• Add iceberg_metadata_file_path to query when send it to swarm nodes (#898 by @ianton-ru)

Packages

Available for both AMD64 and Aarch64 from https://builds.altinity.cloud/ as either .deb, .rpm, or .tgz

Docker images

Available for both AMD64 and Aarch64: altinity/clickhouse-server:25.3.3.20186.altinityantalya

Full Changelog: v25.3.3.20183.altinityantalya...v25.3.3.20186.altinityantalya

Altinity Antalya release v25.3.3.20183.altinityantalya (1abef61) as compared to v25.3.3.20143.altinityantalya (98010fb)

New Feature

• Setting lock_object_storage_task_distribution_ms to improve cache locality with swarm cluster. (#866 by @ianton-ru)

Improvement

• Allow data and metadata with different paths. Support S3 tables as a warehouse. (#860 by @ianton-ru)
• This change the default behavior of partition pruning for Iceberg table. (ClickHouse#80583 by @melvynator via #881)
• Added support of compressed metadata.json files for Iceberg. (ClickHouse#81451 by @alesapin via #883)

Bug Fix (user-visible misbehavior in an official stable release)

• IcebergS3 supports count optimization, but IcebergS3Cluster does not. As a result, the count() result returned in cluster mode may be a multiple of the number of replicas. (ClickHouse#79844 by @wxybear via #878, #885)

Build/Testing/Packaging Improvement

• Fix branding (#870, #871, #886 by @Enmk)

Packages

Available for both AMD64 and Aarch64 from https://builds.altinity.cloud/ as either .deb, .rpm, or .tgz

Docker images

Available for both AMD64 and Aarch64: altinity/clickhouse-server:25.3.3.20183.altinityantalya

Full Changelog: v25.3.3.20143.altinityantalya...v25.3.3.20183.altinityantalya

Altinity Antalya release v25.3.3.20143.altinityantalya (98010fb) as compared to v25.2.2.28788.altinityantalya (c25e57f)

new base: upstream/v25.3.3.42-lts

New Feature

• Add icebergHash and icebergBucketTransform functions. Support data files pruning in Iceberg tables partitioned with bucket transfom. (ClickHouse#79262 by @divanik via #786)

Improvement

• Add several convenient ways to resolve root metadata.json file in an iceberg table function and engine. Closes #78455. (ClickHouse#78475 by @divanik via #841)
• Iceberg as alias for DataLakeCatalog with catalog_type='rest''. (#822 by @ianton-ru)

Bug Fix (user-visible misbehavior in an official stable release)

• Fixed Context expiration for Iceberg queries. (#839 by @ianton-ru)

Build/Testing/Packaging Improvement

• Fixed parquet metadata related tests. (#824 by @Enmk)

Docker images

Available for both AMD64 and Aarch64: altinity/clickhouse-server:25.3.3.20143.altinityantalya

Changes compared to v25.2.2.27772.altinityantalya (319e424)

New Feature

• Cache for listobjects calls. (#743 by @arthurpassos)

Improvement

• Iceberg table pruning in cluster requests. (#770 by @ianton-ru)

Bug Fix (user-visible misbehavior in an official stable release)

• Fixed format detection for table function iceberg (fixes #732). (#746 by @ianton-ru)
• Fix filling addresses_with_failover with correct addresses. (#750 by @ianton-ru)
• Fix macros for autodiscovery clusters. (#757 by @ianton-ru)
• Rendevous hashing was not work properly in complex queries. (#760 by @ianton-ru)
• Fix some tests and virtual methods. (#761 by @ianton-ru)

Build/Testing/Packaging Improvement

• Migrate the GitLab CI/CD to GitHub and remove most jobs to focus on sign and release task. (#758 by @MyroTk)
• Fix build. (#747 by @ianton-ru)

Full Changelog: v25.2.2.27772.altinityantalya...v25.2.2.28788.altinityantalya

Packages

Available for both AMD64 and Aarch64 from https://builds.altinity.cloud/ as either .deb, .rpm, or .tgz

Docker images

Available for both AMD64 and Aarch64: altinity/clickhouse-server:25.2.2.28788.altinityantalya