A new Cloud Composer release has started on March 5, 2025. Get ready for upcoming changes and features as we roll out the new release to all regions

## Announcement A new Cloud Composer release has started on **March 5, 2025**. 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. ## Feature You can now specify an [order in which Airflow searches for secrets](https://cloud.google.com/composer/docs/composer-3/configure-secret-manager#configure-backend) by overriding the`[secrets]backends_order` Airflow configuration option. ## Fix Fixed an issue in Cloud Composer REST API that allowed some `environment.patch` operations to succeed when multiple update masks that aren't related to each other were passed in a request. Now operations with such masks fail with an error. ## Change New [Airflow builds](https://cloud.google.com/composer/docs/composer-versions#images-composer-3) are available in Cloud Composer 3: * composer-3-airflow-2.10.2-build.10 (default) * composer-3-airflow-2.9.3-build.17 ## Change New [images](https://cloud.google.com/composer/docs/composer-versions#images-composer-2) are available in Cloud Composer 2: * composer-2.11.4-airflow-2.10.2 (default) * composer-2.11.4-airflow-2.9.3 ## Deprecate Cloud Composer versions 2.6.2 and 2.6.3 have reached their [end of support period](https://cloud.google.com/composer/docs/composer-versioning-overview#version-deprecation-and-support).