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  • Oct 24, 2025

    • Improved
    • Aiven for Apache Kafka® Connect

    BigQuery sink connector for Aiven for Apache Kafka Connect® 2.10.0

    The BigQuery sink connector for Aiven for Apache Kafka Connect has been upgraded to version 2.10.0. This release improves schema handling, ingestion reliability, and performance.

    • Added an option to skip fields not defined in the BigQuery schema.
    • Added support for partition decorator syntax in the Storage Write API.
    • Added support for updating table schemas in GCS-to-BigQuery load jobs.
    • Enabled connection pooling for the Storage Write API default stream to improve write performance.
    • Added trace ID propagation to help BigQuery trace connector traffic.

    For configuration instructions, see Create a sink connector from Apache Kafka® to Google BigQuery

    For all releases, see the GitHub repository.

  • Oct 23, 2025

    Aiven for PostgreSQL®: Enhanced password security with SCRAM-SHA-256

    Aiven for PostgreSQL® now defaults to scram-sha-256 password encryption for enhanced security, moving away from the md5 method. scram-sha-256 offers a more robust challenge-response authentication scheme. While md5 is vulnerable to traditional pass-the-hash attacks, scram-sha-256 eliminates this type of vulnerability and offers much better protection against offline password attacks and brute force attacks.

    How this change applies

    • New services (affected): New Aiven for PostgreSQL services in organizations without PGBouncer pools will use scram-sha-256 by default.
    • Existing services (unaffected): All existing services are not impacted by this change.
    • PGBouncer pool organizations (unaffected): New services created in organizations with PGBouncer pools will continue to default to md5.

    Client compatibility: Most modern PostgreSQL client libraries are compatible with scram-sha-256. For authentication issues, consult your driver's documentation or the PostgreSQL list of drivers.

    When to migrate manually

    If your organization has PGBouncer pools tied to specific database users or your services have additional database users created, migrate to scram-sha-256 manually before the next major PostgreSQL version upgrade, when md5 encryption will be deprecated.

    View migration guide and compatibility instructions

    How to troubleshoot authentication issues

    If you experience connection problems with scram-sha-256, you have two immediate options:

    • Revert default: Change pg.password_encryption back to md5 in your service's user_config.
    • Role-specific MD5: For specific roles, create them with md5 secrets directly using CREATE ROLE ... WITH PASSWORD 'md5' ... (PostgreSQL documentation on CREATE ROLE).

  • Oct 20, 2025

    Support for diskless topics in sample data generator

    You can now generate sample data to diskless or classic topics in Aiven for Apache Kafka® services with diskless topics enabled. The quick connect flow in the Aiven Console has also been updated to support diskless topics.
    For more information, see Stream sample data from the Aiven Console. To learn more about diskless topics, see Diskless topics for Apache Kafka®.

  • Oct 9, 2025

    • Security
    • Aiven for Valkey™
    • Aiven for Caching

    CVE-2025-49844 - Redis/Valkey - Lua Use-After-Free Vulnerability

    On October 3rd, 2025, Redis released details on CVE-2025-49844.

    This particular vulnerability could allow an authenticated user to obtain remote code execution using a specially crafted Lua script.

    This affects all Redis and Valkey versions that have Lua scripting support.

    This issue is resolved in:

    • Redis: 8.2.2+, 8.04+, 7.4.6+, 7.2.11+, 6.2.20+
    • Valkey: 8.1.4+, 8.0.6+, 7.2.11+

    On October 8th Valkey 8.0.6 was made available as mandatory maintenance on the Aiven platform. It is recommended that all Valkey customers run this maintenance as soon as possible.

    For those customers running Redis (Aiven for Caching) on the Aiven platform, a patch to 7.2.11 will be released in the coming days. Note that Aiven for Caching is end-of-life on the Aiven platform and all running instances will be decommissioned starting on October 15th, 2025.


  • Oct 8, 2025

    Diskless topics for Aiven for Apache Kafka® are now generally available

    Diskless topics reduce the cost of high-throughput workloads by minimizing inter-availability zone (AZ) network traffic and using object storage instead of local disks. The features is now generally available for Aiven for Apache Kafka® in Bring Your Own Cloud (BYOC) deployments on AWS.

    Key details:

    • Data durability and replication are handled by the object storage layer.
    • Flexibility of classic and diskless topics both coexisting on the same cluster.
    • Available in BYOC deployments on AWS.
    • Runs a PostgreSQL-based coordinator, managed as a service integration.

    Learn more in the Diskless topics overview.

  • Oct 6, 2025

    JWT authentication now available for Aiven for OpenSearch®

    Configure JSON Web Token (JWT) authentication for your Aiven for OpenSearch® services to enable secure, stateless authentication using tokens from your existing identity provider. This eliminates the need to manage separate OpenSearch credentials while providing seamless integration with your authentication infrastructure.

    Available for Aiven for OpenSearch 2.4+ and OpenSearch Dashboards 2.19+. Learn more

  • Oct 2, 2025

    • Improved
    • Aiven for Apache Kafka® Connect

    Aiven Kafka Connect S3 source connector updated

    The Aiven Kafka Connect S3 source connector has been updated to fix a bug that caused a Null Pointer Exception (NPE) when using an AWS STS client for short-term credentials.

    For more information, see the Aiven Kafka Connect S3 source connector v3.4.1 release notes.

  • Sep 30, 2025

    Aiven for PostgreSQL®: ip4r extension now available

    The ip4r extension is now available for Aiven for PostgreSQL®, providing specialized data types for IPv4 and IPv6 address ranges with efficient indexing support. This extension is ideal for applications working with network operations, CIDR blocks, and IP address range queries, offering better performance than traditional text-based IP storage methods.

    View all Aiven for PostgreSQL extensions

  • Sep 26, 2025

    • New
    • Aiven Console
    • Aiven API
    • Aiven Terraform provider

    Billing groups are now assigned in project settings

    You can now assign a billing group directly from the project settings without needing full organization admin or billing permissions. Editing sensitive billing details like payment methods remains controlled by stricter organization-level roles and permissions.

    View instructions for assigning billing groups in the Aiven docs.