New versions of Cloud Composer images: composer-1.10.4-airflow-1.10.2, composer-1.10.4-airflow-1.10.3 and composer-1.10.4-airflow-1.10.6. The default is composer-1.10.4-airflow-1.10.3. Upgrade your Cloud SDK to use features in this release.
For Airflow 1.10.6 and later: The Airflow config property [celery] pool is now blocked.
Fixed an issue with Airflow 1.10.6 environments where task logs were not visible in the UI when DAG serialization was enabled.