Apache Airflow Helm Chart 1.2.0

New Features

• Add Triggerer to Helm Chart (#17743)
• Chart: warn when webserver secret key isn't set (#18306)
• add extraContainers for migrateDatabaseJob (#18379)
• Labels on job templates (#18403)
• Chart: Allow running and waiting for DB Migrations using default image (#18218)
• Chart: Make cleanup cronjob cmd/args configuable (#17970)
• Chart: configurable number of retention days for log groomers (#17764)
• Chart: Add loadBalancerSourceRanges in webserver and flower services (#17666)
• Chart: Support extraContainers in k8s workers (#17562)

Improvements

• Switch to latest version of PGBouncer-Exporter (#18429)
• Chart: Ability to access http k8s via multiple hostnames (#18257)
• Chart: Use stable API versions where available (#17211)
• Chart: Allow podTemplate to be templated (#17560)

Bug Fixes

• Chart: Fix applying labels on Triggerer (#18299)
• Fixes warm shutdown for celery worker. (#18068)
• Chart: Fix minor Triggerer issues (#18105)
• Chart: fix webserver secret key update (#18079)
• Chart: fix running with uid 0 (#17688)
• Chart: use serviceaccount template for log reader rolebinding (#17645)
• Chart: Fix elasticsearch-secret template port default function (#17428)
• KEDA task count query should ignore k8s queue (#17433)

Doc only changes

• Chart Doc: Delete extra space in adding connections doc (#18424)
• Improves installing from sources pages for all components (#18251)
• Chart docs: Format loadBalancerSourceRanges using code-block (#17763)
• Doc: Fix a broken link in an ssh-related warning message (#17294)
• Chart: Add instructions to Update Helm Repo before upgrade (#17282)
• Chart docs: better note for logs existing pvc permissions (#17177)

Misc

• Chart: Update the default Airflow version to 2.1.4 (#18354)