Impact Score: 5/10
Apache Airflow 2.4.3
Source available — automated, not human-reviewed
Component: airflow · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
⚡ Executive Summary (TL;DR)
Apache Airflow 2.4.3. Source highlight: Fix double logging with some task logging handler (#27591)
Who Does This Impact? (Role-Based Analysis)
💻 Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
📊 Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
⚙️ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
✨ New Features & Capabilities (2)
- Add missed import in the Trigger Rules example (#27309)
- Add ``kerberos`` environment variables to the docs (#27028)
🔧 Bug Fixes & Patches (6)
- Fix double logging with some task logging handler (#27591)
- Replace FAB url filtering function with Airflow's (#27576)
- Fix mini scheduler expansion of mapped task (#27506)
- ``SLAMiss`` is nullable and not always given back when pulling task instances (#27423)
- Fix behavior of ``_`` when searching for DAGs (#27448)
- Fix getting the ``dag/task`` ids from BaseExecutor (#27550)
📄 View Raw Release Notes (Original Developer Log)
## Bug Fixes
- Fix double logging with some task logging handler (#27591)
- Replace FAB url filtering function with Airflow's (#27576)
- Fix mini scheduler expansion of mapped task (#27506)
- ``SLAMiss`` is nullable and not always given back when pulling task instances (#27423)
- Fix behavior of ``_`` when searching for DAGs (#27448)
- Fix getting the ``dag/task`` ids from BaseExecutor (#27550)
- Fix SQLAlchemy primary key black-out error on DDRQ (#27538)
- Fix IntegrityError during webserver startup (#27297)
- Add case insensitive constraint to username (#27266)
- Fix python external template keys (#27256)
- Reduce extraneous task log requests (#27233)
- Make ``RotatingFilehandler`` used in ``DagProcessor`` non-caching (#27223)
- Listener: Set task on SQLAlchemy TaskInstance object (#27167)
- Fix dags list page auto-refresh & jump search null state (#27141)
- Set ``executor.job_id`` to ``BackfillJob.id`` for backfills (#27020)
## Misc/Internal
- Bump loader-utils from ``1.4.0`` to ``1.4.1`` in ``/airflow/www`` (#27552)
- Reduce log level for k8s ``TCP_KEEPALIVE`` etc warnings (#26981)
## Doc only changes
- Use correct executable in docker compose docs (#27529)
- Fix wording in DAG Runs description (#27470)
- Document that ``KubernetesExecutor`` overwrites container args (#27450)
- Fix ``BaseOperator`` links (#27441)
- Correct timer units to seconds from milliseconds. (#27360)
- Add missed import in the Trigger Rules example (#27309)
- Update SLA wording to reflect it is relative to ``Dag Run`` start. (#27111)
- Add ``kerberos`` environment variables to the docs (#27028)