- Fixed numerous bugs in operators, scheduler, UI, and database handling (e.g., mapped operator state, pod serialization, session ID rotation, CORS origins, and zombie task handling).
- Updated documentation, added missing package metadata, and clarified usage notes (including DB setup, virtualenv operator, and release note hyperlinks).
- Removed deprecation warnings, bumped several dependency versions, and applied minor improvements such as configurable UMASK and IPv6 log server binding.
Apache Airflow 2.3.4
Official Apache Airflow changelog summary with source attribution, release tags, and community reactions.
Track this Apache Airflow release note alongside related changelog updates, risky changes, and weekly digest signals from the developer community.
Verify the original release note
Every summary should remain traceable to the original changelog or release source.
Follow this in context
Turn this Apache Airflow release note into a weekly digest for the tools you actually use.
Create digestMore Apache Airflow changelog updates
Updated XCom handling for pandas 3, now storing the class name; all components must be upgraded or DataFrames from pandas 3 become unreadable.