# Apache Airflow 2.7.1 — Release & Upgrade Intelligence
- **Product:** Apache Airflow (https://airflow.apache.org)
- **Version:** 2.7.1
- **Released:** Sep 07, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/airflow/updates/2.7.1/

## Executive Summary (TL;DR)
Apache Airflow 2.7.1. Source highlight: CronTriggerTimetable is now less aggressive when trying to skip a run (#33404)

## New Features
- Add minimum requirement for ``sqlalchemy to 1.4.24`` (#33892)
- Add MySQL 8.1 to supported versions. (#33576)
- Add documentation explaining template_ext (and how to override it) (#33735)

## Bug Fixes
- Ensure that tasks wait for running indirect setup (#33903)
- Respect "soft_fail" for core async sensors (#33403)
- Differentiate 0 and unset as a default param values (#33965)
- Raise 404 from Variable PATCH API if variable is not found (#33885)
- Fix ``MappedTaskGroup`` tasks not respecting upstream dependency (#33732)
- Add limit 1 if required first value from query result (#33672)
