These release notes apply to the Managed Service for Apache Airflow service. Announcements and information about new or updated features, bug fixes and deprecated functionality is published on this page.
You can also:
- Follow Managed Airflow release notes in the Apache Airflow Community workspace on Slack.
- See Cloud Composer version list for more information about Managed Airflow images and support dates.
- Check the Cloud Composer known issues page to learn more about known issues and possible workarounds.
You can see the latest product updates for all of Google Cloud on the Google Cloud page, browse and filter all release notes in the Google Cloud console, or programmatically access release notes in BigQuery.
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August 10, 2026
A new Managed Service for Apache Airflow release has started on August 10, 2026. Get ready for upcoming changes and features as we roll out the new release to all regions. This release is in progress at the moment. Listed changes and features might not be available in some regions yet.
(Managed Airflow Gen 3) Adjusted the formula used to calculate the number of Airflow web server workers based on allocated CPU and memory resources. This update aligns with resource consumption changes in recent Airflow versions, improving web server stability.
(Airflow 3.2.2 and 2.11.1) The [api]rbac_bindings Airflow configuration
option is blocked and it isn't possible to override its value.
New Airflow builds are available in Managed Airflow (Gen 3):
New images are available in Managed Airflow (Gen 2):
August 05, 2026
(Airflow 3.2.2, 3.1.8, and 2.11.1)
The apache-airflow-providers-google package was upgraded to version 22.2.2.
For more information about changes, see the
apache-airflow-providers-google changelog.
New Airflow builds are available in Managed Airflow (Gen 3):
- composer-3-airflow-3.2.2-build.1
- composer-3-airflow-3.1.8-build.3
- composer-3-airflow-2.11.1-build.14 (default)
- composer-3-airflow-2.10.5-build.47
These builds are versions with an extended upgrade timeline.
New images are available in Managed Airflow (Gen 2):
These images are versions with an extended upgrade timeline.
The following Managed Airflow versions and builds have reached their end of support period: composer-3-airflow-2.10.5-build.11, composer-3-airflow-2.9.3-build.31, composer-2.13.9-airflow-2.9.3, and composer-2.13.9-airflow-2.10.5.
July 29, 2026
Airflow 3.2.2 is available in Managed Airflow (Gen 3).
(Airflow 3.2.2) The
Multi-Team
Airflow feature isn't available. The [core]multi_team Airflow configuration
option is set to False and it isn't possible to override it.
(Airflow 3.2.2) Backported
#69877 to restore the ability
to deliver failure and retry alerts through a pluggable email backend
(configured through the [email]email_backend Airflow configuration option).
(Managed Airflow Gen 3 with Airflow 2) Default triggerer resources are changing to 1 vCPU and 2 GB memory to match Airflow 3 defaults. This change is available in the Google Cloud CLI, Terraform, and Cloud Composer API and is gradually rolling out in the Google Cloud console.
A correct error message is now generated when an environment creation request fails because of malformed network and subnetwork identifiers.
(Available without upgrading) The correct default task priority weight of 1
is now shown for tasks in the Google Cloud console.
New Airflow builds are available in Managed Airflow (Gen 3):
New images are available in Managed Airflow (Gen 2):
The following Managed Airflow versions and builds have reached their end of support period: composer-3-airflow-2.10.5-build.10, composer-3-airflow-2.9.3-build.30, composer-2.13.8-airflow-2.9.3, and composer-2.13.8-airflow-2.10.5.
July 24, 2026
Starting in September, 2026, Airflow 2.10.5 will no longer be included in new Managed Airflow images and builds. This change will not affect existing images and builds.
Starting in September 2026, we are changing the version support policy for Managed Airflow (Gen 2) to align it with the Managed Airflow (Gen 3) policy. The changes will affect Airflow 2 versions that we release:
- In Managed Airflow (Gen 2), we will release only new images with Airflow 2.11. New Airflow 2.10.5 images will no longer be released.
- In Managed Airflow (Gen 3) we will keep releasing new builds of Airflow 3 (no changes) and will release only new Airflow 2.11 builds. New Airflow 2.10.5 builds will no longer be released.
July 16, 2026
Airflow 3.1.8 is available in Managed Airflow (Gen 3).
Airflow 3.1.7 is no longer included in Managed Airflow images and builds.
(Airflow 3.1.8) Backported #64031 to fix an issue in the Airflow UI when viewing tasks in non-terminal states (scheduled, running) with "Show Gantt" enabled.