apache/airflow 3.1.2

Apache Airflow 3.1.2

on GitHub

📦 PyPI: https://pypi.org/project/apache-airflow/3.1.2/
📚 Docs: https://airflow.apache.org/docs/apache-airflow/3.1.2/
🛠 Release Notes: https://airflow.apache.org/docs/apache-airflow/3.1.2/release_notes.html
🐳 Docker Image: "docker pull apache/airflow:3.1.2"
🚏 Constraints: https://github.com/apache/airflow/tree/constraints-3.1.2

Significant Changes

No significant changes.

Bug Fixes

• Fix import error when upgrading structlog to 25.5.0+ (#57335)
• Fix connection retrieval in DagProcessorManager for bundle initialization (#57459)
• Fix incorrect task instance counts displayed in task group headers (#55670)
• Fix task retry execution after tasks are killed by external signals (#55767)
• Fix triggerer errors after Airflow 2 to 3 migration (#55884)
• Fix tasks unable to access triggering_user_name context variable (#56193)
• Fix outlet event extra data being empty in task instance success listener callbacks (#57031)
• UI: Fix panel button spacing and alignment issues (#57062)
• UI: Fix broken grid view links for tasks with retries (#57097)
• Fix DAG processor crash when renaming DAG tag case on MySQL (#57113)
• Fix iteration errors when using ObjectStoragePath (#57156)
• Fix auto-refresh not working on Required Actions page (#57207)
• Fix DAG processor crash by ignoring callbacks from other bundles (#57330)
• Fix asset name text overflow in DAG list view (#57363)
• Fix memory leak caused by repeated SSL context creation in API client (#57374)
• Fix performance issues loading DAG list page with many DAGs (#57444)
• Fix text selection jumping unexpectedly in log viewer (#57453)
• Fix DAG documentation pane not scroll-able when content is too long (#57518)
• Fix incorrect macro listings in template reference documentation (#57529)
• Fix Human-In-The-Loop operators failing when using notifiers (#57551)
• Fix n+1 query issues in XCom API endpoints (#57554)
• Fix n+1 query issues in Event Logs API endpoint (#57558)
• Fix n+1 query to fetch tags in the dags list page (#57570)
• Optimize database query to prevent "Out of sort memory" errors with many DAG versions (#57042)
• Optimize DAG list query for users with limited access (#57460)
• Optimize dynamic DAG updates to avoid loading large serialized DAGs (#57592)
• Reduce serialized DAG size by optimizing callback serialization in default_args (#57397)

Miscellaneous

• UI: Improve global navigation visual design, interaction, and accessibility (#57565)
• UI: Add button to download all task logs at once (#56771)
• UI: Add timestamp column to XCom viewer and standardize task instance columns (#57447)
• UI: Improve highlighting of selected task instances and edges in grid view (#57560)
• Improve retry logic by migrating from retryhttp to tenacity library (#56762)
• Improve exception logging for task instance heartbeat failures (#57179)
• Add Content-Type header to Task SDK API requests (#57386)
• Log execution API server URL at task startup (#57409)
• Reduce log noise by changing "Connection not found" from error to debug level (#57548)
• Add task_display_name alias in event log API responses (#57609)
• Improve Pydantic model validation strictness in serialization (#57616)
• Fix systemd service files issues (#57231)

Doc Only Changes

• Improve plugin system documentation for clarity and completeness (#57068)
• Improve clarity on api workers recommendation in docs (#57404)
• Fix instance_name in UI docs (#57523)
• Fix airflow macros list in template document (#57529)