# Apache Airflow 3.0.3 — Release & Upgrade Intelligence
- **Product:** Apache Airflow (https://airflow.apache.org)
- **Version:** 3.0.3
- **Released:** Jul 14, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/airflow/updates/3.0.3/

## Executive Summary (TL;DR)
Apache Airflow 3.0.3. Source highlight: 📦 PyPI: https://pypi.org/project/apache-airflow/3.0.3/

## New Features
- Add note about payload size considerations in API docs (#51768)
- Add http-only warning when running behind proxy in documentation (#52699)

## Improvements
- Enhance ENV vars and conns visibility docs (#52026)

## Bug Fixes
- Fix task execution failures with large data by improving internal communication protocol (#51924, #53194)
- Fix reschedule sensors failing after multiple re-queue attempts over long periods (#52706)
- Improve ``xcom_pull`` to cover different scenarios for mapped tasks (#51568)
- Fix connection retrieval failures in triggerer when schema field is used (#52691)
- Add back user impersonation (``run_as_user``) support for task execution (#51780)
- Fix DAG version not updating when bundle name changes without DAG structure changes (#51939)