# Apache Airflow 2.7.2 — Release & Upgrade Intelligence
- **Product:** Apache Airflow (https://airflow.apache.org)
- **Version:** 2.7.2
- **Released:** Oct 12, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/airflow/updates/2.7.2/

## Executive Summary (TL;DR)
Apache Airflow 2.7.2. Source highlight: No significant changes

## New Features
- Add explanation for Audit log users (#34814)
- Add information about drop support MsSQL as DB Backend in the future (#34375)
- Add DagRun events (#34328)
- Add link to Amazon Provider Configuration in Core documentation (#34305)
- Add "security infrastructure" paragraph to security model (#34301)
- Add SBOM entry in security documentation (#34261)

## Improvements
- Improve modules import in Airflow core by some of them into a type-checking block (#33755)
- Refactor: Improve detection of duplicates and list sorting (#33675)

## Bug Fixes
- Check if the lower of provided values are sensitives in config endpoint (#34712)
- Add support for ZoneInfo and generic UTC to fix datetime serialization (#34683, #34804)
- Fix AttributeError: 'Select' object has no attribute 'count' during the airflow db migrate command (#34348)
- Make dry run optional for patch task instance  (#34568)
- Fix non deterministic datetime deserialization (#34492)
- Use iterative loop to look for mapped parent (#34622)