# Apache Airflow helm-chart/1.21.0 — Apache Airflow Helm Chart 1.21.0

- Product: Apache Airflow (https://whatsnew.fyi/product/apache-airflow)
- Vendor: Apache Software Foundation
- Date: 2026-04-24
- Version: helm-chart/1.21.0
- Original notes: https://github.com/apache/airflow/releases/tag/helm-chart/1.21.0
- Permalink: https://whatsnew.fyi/product/apache-airflow/releases/helm-chart-1.21.0

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **changed** — Move workers config options under workers.celery.* and workers.kubernetes.*
- **deprecated** — workers.safeToEvict is now deprecated in favor of workers.celery.safeToEvict/workers.kubernetes.safeToEvict
- **deprecated** — workers.hostAliases is now deprecated in favor of workers.celery.hostAliases/workers.kubernetes.hostAliases
- **deprecated** — workers.priorityClassName is now deprecated in favor of workers.celery.priorityClassName/workers.kubernetes.priorityClassName
- **deprecated** — workers.runtimeClassName is now deprecated in favor of workers.celery.runtimeClassName/workers.kubernetes.runtimeClassName
- **deprecated** — workers.schedulerName is now deprecated in favor of workers.celery.schedulerName/workers.kubernetes.schedulerName
- **deprecated** — workers.serviceAccount is now deprecated in favor of workers.celery.serviceAccount/workers.kubernetes.serviceAccount
- **deprecated** — workers.extraContainers is now deprecated in favor of workers.celery.extraContainers/workers.kubernetes.extraContainers
- **deprecated** — workers.extraInitContainers is now deprecated in favor of workers.celery.extraInitContainers/workers.kubernetes.extraInitContainers
- **deprecated** — workers.extraVolumes is now deprecated in favor of workers.celery.extraVolumes/workers.kubernetes.extraVolumes
- **deprecated** — workers.affinity is now deprecated in favor of workers.celery.affinity/workers.kubernetes.affinity
- **deprecated** — workers.tolerations is now deprecated in favor of workers.celery.tolerations/workers.kubernetes.tolerations
- **deprecated** — workers.topologySpreadConstraints is now deprecated in favor of workers.celery.topologySpreadConstraints/workers.kubernetes.topologySpreadConstraints
- **deprecated** — workers.podAnnotations is now deprecated in favor of workers.celery.podAnnotations/workers.kubernetes.podAnnotations

Significant Changes                                                                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                                                                    
  Workers config options have been moved under workers.celery.* and workers.kubernetes.*                                                                                                                                                                                                                            
                                                                                                                                                                                                                                                                                                                    
  Please update your configuration accordingly:                                                                                                                                                                                                                                                                   
                                                                                                                                                                                                                                                                                                                    
  - workers.safeToEvict is now deprecated in favor of workers.celery.safeToEvict/workers.kubernetes.safeToEvict (#61915).                                                                                                                                                                                           
  - workers.hostAliases is now deprecated in favor of workers.celery.hostAliases/workers.kubernetes.hostAliases (#61960).
  - workers.priorityClassName is now deprecated in favor of workers.celery.priorityClassName/workers.kubernetes.priorityClassName (#61961).                                                                                                                                                                         
  - workers.runtimeClassName is now deprecated in favor of workers.celery.runtimeClassName/workers.kubernetes.runtimeClassName (#61962).                                                                                                                                                                          
  - workers.schedulerName is now deprecated in favor of workers.celery.schedulerName/workers.kubernetes.schedulerName (#62030).                                                                                                                                                                                     
  - workers.serviceAccount is now deprecated in favor of workers.celery.serviceAccount/workers.kubernetes.serviceAccount (#64730).                                                                                                                                                                                  
  - workers.extraContainers is now deprecated in favor of workers.celery.extraContainers/workers.kubernetes.extraContainers (#64739).                                                                                                                                                                               
  - workers.extraInitContainers is now deprecated in favor of workers.celery.extraInitContainers/workers.kubernetes.extraInitContainers (#64741).

_[Truncated at 4000 characters — full notes: https://github.com/apache/airflow/releases/tag/helm-chart/1.21.0]_