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  • Jul 18, 2025

    Improved

    Aiven for Apache Kafka® Connect

    Deprecation of MongoDB Kafka Source Connector v1.9

    Version 1.9 of the MongoDB Kafka Source Connector is deprecated and replaced by version 1.16.0. Services not pinned to version 1.9 will automatically upgrade to the compatible version 1.16.0 during the next maintenance window. If your service is pinned to version 1.9, update to version 1.16.0 to avoid disruption.

    Version 1.9 is not compatible with Apache Kafka Connect 3.9. For more information, see the MongoDB Kafka Source Connector documentation.


  • Jul 17, 2025

    New

    Aiven for PostgreSQL®

    TimescaleDB 2.21.0 for Aiven for PostgreSQL® released

    TimescaleDB extension version 2.21.0 is now available for Aiven for PostgreSQL®. Upgrade to 2.21.0 at your earliest convenience to make sure you use the most robust and secure version available. This release introduces the following:

    Features

    • #8081 Use JSON error code for job configuration parsing
    • #8100 Support splitting compressed chunks
    • #8131 Add policy to process hypertable invalidations
    • #8141 Add function to process hypertable invalidations
    • #8165 Reindex recompressed chunks in compression policy
    • #8178 Add columnstore option to CREATE TABLE WITH
    • #8179 Implement direct DELETE on non-segmentby columns
    • #8182 Cache information for repeated upserts into the same compressed chunk
    • #8187 Allow concurrent Continuous Aggregate refreshes
    • #8191 Add option to not process hypertable invalidations
    • #8196 Show deprecation warning for TAM
    • #8208 Use NULL compression for bool batches with all null values like the other compression algorithms
    • #8223 Support for attach/detach chunk
    • #8265 Set incremental Continuous Aggregate refresh policy on by default
    • #8274 Allow creating concurrent continuous aggregate refresh policies
    • #8314 Add support for timescaledb_lake in loader
    • #8209 Add experimental support for Direct Compress of COPY
    • #8341 Allow quick migration from hypercore TAM to (columnstore) heap

    Bug fixes

    • #8153 Restoring a database having NULL compressed data
    • #8164 Check columns when creating new chunk from table
    • #8294 The "vectorized predicate called for a null value" error for WHERE conditions like x = any(null::int[]).
    • #8307 Fix missing catalog entries for bool and null compression in fresh installations
    • #8323 Fix DML issue with expression indexes and BHS

    GUCs

    • enable_direct_compress_copy: Enable experimental support for direct compression during COPY, default: off
    • enable_direct_compress_copy_sort_batches: Enable batch sorting during direct compress COPY, default: on
    • enable_direct_compress_copy_client_sorted: Correct handling of data sorting by the user is required for this option, default: off

    Deprecation

    • Hypercore access method

    See the release notes for all TimescaleDB releases.

  • Jul 15, 2025

    New

    Aiven for Apache Kafka®

    Sample data generator for Aiven for Apache Kafka

    You can now generate sample Kafka data directly from the Aiven Console to test and explore your service setup. The generator creates a Kafka topic, applies a predefined Avro schema, and produces test messages for up to 4 hours. No client setup or code is required.

    Use the generator to:

    • Choose from sample scenarios, such as logistics, user activity, or metrics
    • Start streaming data within seconds of service creation
    • View messages and schema details in the Aiven Console
    • Stop the stream from the browser tab where it was started

    Only one sample stream can run per service at a time. This feature is available at no additional cost and does not use service credits.
    For more information, see Stream sample data from the Aiven Console.

  • Jul 8, 2025

    New

    Amazon Web Services

    BYOC

    AWS PrivateLink for Aiven BYOC services

    AWS PrivateLink is now supported for Aiven services deployed in your own cloud using the Bring Your Own Cloud (BYOC) model. This feature enhances security by enabling private connectivity between your AWS environment and Aiven services, bypassing the public internet.

    Enable AWS PrivateLink for your BYOC services to ensure secure and private communication.

  • Jul 7, 2025

    New

    Aiven Operator for Kubernetes

    Aiven Operator for Kubernetes version 0.30.0 now available

    With this release, you can now power off services when they're not in use to save costs, and bring them back online when needed. Set the powered field to true or false to power services on and off.

    This version of the Aiven Operator also supports Diskless Topics for Aiven for Apache Kafka® services. For BYOC services that have access to the this feature, the config.inkless_enable field in the KafkaTopic resource enables diskless.

    For details on the updates and deprecations, check out the complete Aiven Operator changelog.

  • Jul 4, 2025

    Improved

    Aiven for Apache Kafka® Connect

    Stream Reactor has been updated to version 9.0.2

    Stream Reactor, a collection of Apache Kafka Connect connectors, has been updated to version 9.0.2. This release includes compatibility updates and internal improvements. Key changes include the following:

    • Connector class names and converter package names have been standardized. Update configurations if they reference “com.datamountaineer” packaged class names.
    • StreamReactor 9.x incorporates class name changes introduced in version 6.0.0 by Lenses. These changes make version 9.x incompatible with version 4.2.0 previously offered by Aiven.
    • When upgrading from 4.2.0 to 9.x, recreate the connectors using the updated class names, as existing ones will not work with the new version. For details, see All connectors (6.x).
    • To maintain compatibility and safe migration to 9.0.1, first pin the connector version to 4.2.0. For instructions, see Manage connector versions.

    For more information, see the Stream Reactor release notes. For a list of supported Stream Reactor connectors in Aiven, see the list of connector plugins.

  • Jul 3, 2025

    New

    Exoscale

    Aiven for PostgreSQL®

    Exoscale region HR-ZAG-1 now on Aiven

    Exoscale region HR-ZAG-1 (Croatia, Zagreb) is now supported on the Aiven Platform for Aiven for PostgeSQL® services.

    The Exoscale cloud support is a limited availability feature. For more information or access, contact your account team.

    See also

  • Jun 30, 2025

    New

    Aiven for Apache Kafka®

    KRaft mode now generally available

    KRaft (Kafka Raft metadata mode) is now generally available in Aiven for Apache Kafka®. All new services using Apache Kafka 3.9 and later run in KRaft mode by default, replacing ZooKeeper for metadata management.

    Key considerations

    • Migration from ZooKeeper to KRaft for existing services is not yet available. Support will be added later.
    • Kafka 3.8 support is extended by one year to support transition planning.
    • Startup-4 replaces Startup-2 plans in Apache Kafka 3.9 and later. All feature restrictions from Startup-2 also apply to Startup-4, including Datadog restrictions.
    • Some controller metrics are no longer available in KRaft mode.
    • Existing clients and integrations such as Kafka Connect, MirrorMaker 2, and Karapace continue to work without changes.

    For details, see KRaft mode and Transitioning to KRaft.

  • Jun 24, 2025

    New

    Aiven Terraform provider

    Aiven Provider for Terraform version 4.42.0 now available

    This version of the Aiven Terraform Provider supports Diskless Topics for Aiven for Apache Kafka® services. For BYOC services that have access to the this feature, the config.inkless_enable field in aiven_kafka_topic resource enables diskless.

    This release also includes fixes for the following:

    • project_vpc_id can now be set to null. When upgrading, verify your service VPC settings are correct as services without this field will be deployed to the public internet.
    • The aiven_clickhouse_grant resource no longer attempts to manage or interfere with privileges granted on ClickHouse named collections, preventing errors when grants are managed externally.

    In addition, several new fields have been added or updated. For more details on these fixes and updates, view the complete Aiven Provider for Terraform changelog.