Airflow: helm-chart/1.16.0 Release

Significant Changes

Default git-sync image is updated to 4.3.0 (#41411)

The default git-sync image that is used with the Chart is now 4.3.0, previously it was 4.1.0.

Default Airflow image is updated to 2.10.5 (#46624)

The default Airflow image that is used with the Chart is now 2.10.5, previously it was 2.9.3.

Default PgBouncer image is updated to 1.23.1 (#47416)

The default PgBouncer image that is used with the chart is now airflow-pgbouncer-2025.03.05-1.23.1, previously it was airflow-pgbouncer-2024.01.19-1.21.0.

Default PgBouncer Exporter image is updated to v0.18.0 (#47416)

The default PgBouncer Exporter image that is used with the chart is now airflow-pgbouncer-exporter-2025.03.05-0.18.0, previously it was airflow-pgbouncer-exporter-2024.06.18-0.17.0.

Default StatsD exporter image is updated to v0.28.0 (#43393)

The default StatsD exporter image that is used with the chart is now v0.28.0, previously it was v0.26.1.

New Features

• Allow passing custom env to log groomer sidecar containers (#46003)
• Allow using existing persistence claim in Redis StatefulSet (#41619)
• Add hostAliases support in Triggerer (#41725)
• Enable HPA for Airflow Webserver (#41955)
• Add env support for database migration job (#42345)
• Support NodePort on Redis Service (#41811)
• Add heartbeat metric for DAG processor (#42398)
• Option to enable ipv6 ipaddress resolve support for StatsD host (#42625)
• Allow customizing podManagementPolicy in worker (#42673)
• Support multiple executors in chart (#43606, #44424)
• Swap internal RPC server for API server in the helm chart (#44463)
• Add OpenSearch remote logging options (#45082)
• Add startupProbe to flower deployment (#45012)
• Add PgBouncer and StatsD ingress (#41759)
• Add environment variable controlling the log grooming frequency (#46237)

Improvements

• Update metrics names to allow multiple executors to report metrics (#40778)
• Add a specific internal IP address for the ClusterIP service (#40912)
• Remove scheduler automate ServiceAccount token (#44173)
• More controls for PgBouncer secrets configuration (#45248)
• Add ti.running metric export (#47773)
• Add optional configuration for startupProbe initialDelaySeconds (#47094)
• Introduce worker.extraPorts to expose additional ports to worker container (#46679)

Bug Fixes

• Enable AIRFLOW__CELERY__BROKER_URL_CMD when passwordSecretName is true (#40270)
• Properly implement termination grace period seconds (#41374)
• Add kerberos env to base container env, add webserver-config volume (#41645)
• Fix volumeClaimTemplates missing apiVersion and kind (#41771)
• Render global volumes and volume mounts into cleanup job (#40191) (#42268)
• Fix flower ingress service reference (#41179)
• Fix volumeClaimTemplate for scheduler in local and persistent mode (#42946)
• Fix role binding for multiple executors (#44424)
• Set container name to envSourceContainerName in KEDA ScaledObject (#44963)
• Update scheduler-deployment to cope with multiple executors (#46039)
• Replace disallowed characters in metadata label (#46811)
• Grant Airflow API Server Permission to Read Pod Logs (#47212)
• Fix scheduler ServiceAccount auto-mount for multi-executor (#46486)

Doc only changes

• Reflect in docs that extraInitContainers is supported for jobs (#41674)
• Add guide how to PgBouncer with Kubernetes Secret (#42460)
• Update descriptions private registry params (#43721)
• Change description for kerberos reinitFrequency (#45343)
• Update Helm eviction configuration guide to reflect workers.safeToEvict default value (#44852)
• Add info that storageClassName can be templated (#45176)
• Fix broker-url secret name in production guide (#45863)
• Replace DAGs with dags in docs (#47959)
• Enhance airflowLocalSettings value description (#47855)
• Be consistent with denoting templated params (#46481)

Misc

• Support templated hostname in NOTES (#41423)
• Default airflow version to 2.10.5 (#46624)
• Changing triggerer config option default_capacity to capacity (#48032)
• AIP-84 Move public api under /api/v2 (#47760)
• Default to the FabAuthManager in the chart (#47976)
• Update PgBouncer to 1.23.1 and PgBouncer exporter to 0.18.0 (#47416)
• Move api-server to port 8080 (#47310)
• Start the api-server in Airflow 3, webserver in Airflow 2 (#47085)
• Move fastapi-api command to api-server (#47076)
• Move execution_api_server_url config to the core section (#46969)
• Use standalone dag processor for Airflow 3 (#45659)
• Update quay.io/prometheus/statsd-exporter from v0.26.1 to v0.28.0 (#43393)