Airflow: helm-chart/1.15.0 Release

Significant Changes

Default Airflow image is updated to 2.9.3 (#40816)

The default Airflow image that is used with the Chart is now 2.9.3, previously it was 2.9.2.

Default PgBouncer Exporter image has been updated (#40318)

The PgBouncer Exporter image has been updated to airflow-pgbouncer-exporter-2024.06.18-0.17.0, which addresses CVE-2024-24786.

New Features

• Add git-sync container lifecycle hooks (#40369)
• Add init containers for jobs (#40454)
• Add persistent volume claim retention policy (#40271)
• Add annotations for Redis StatefulSet (#40281)
• Add dags.gitSync.sshKey, which allows the git-sync private key to be configured in the values file directly (#39936)
• Add extraEnvFrom to git-sync containers (#39031)

Improvements

• Link in UIAlert to production guide when a dynamic webserver secret is used now opens in a new tab (#40635)
• Support disabling helm hooks on extraConfigMaps and extraSecrets (#40294)

Bug Fixes

• Add git-sync ssh secret to DAG processor (#40691)
• Fix duplicated safeToEvict annotations (#40554)
• Add missing triggerer.keda.usePgbouncer to values.yaml (#40614)
• Trim leading // character using mysql backend (#40401)

Doc only changes

• Updating chart download link to use the Apache download CDN (#40618)

Misc

• Update PgBouncer exporter image to airflow-pgbouncer-exporter-2024.06.18-0.17.0 (#40318)
• Default airflow version to 2.9.3 (#40816)
• Fix startupProbe timing comment (#40412)