Airflow 2 End of Life: What It Means for Your Team
Blog post from Kestra
Apache Airflow 2 will reach its end of life in April 2026, prompting organizations to consider upgrading to Airflow 3 or exploring alternatives. The upgrade to Airflow 3 is not straightforward, involving significant changes such as the removal of SubDAGs, deprecated context variables, and modifications to provider packages and webserver configurations. These changes require considerable investment in Airflow-specific knowledge, which may not be transferable to other systems. This end-of-life event presents an opportunity to reassess orchestration tools, with alternatives like Dagster, Prefect, and Kestra offering different approaches. While Dagster and Prefect maintain a Python-centric focus, Kestra provides a declarative workflow in YAML, allowing multi-language task execution and potentially offering more flexibility. The decision to upgrade or switch should be made carefully, taking into account the team's existing expertise and the broader needs of their workflows.
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