# Apache Airflow 3.1.6 — Release & Upgrade Intelligence
- **Product:** Apache Airflow (https://airflow.apache.org)
- **Version:** 3.1.6
- **Released:** Jan 13, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/airflow/updates/3.1.6/

## Executive Summary (TL;DR)
Apache Airflow 3.1.6. Source highlight: 📦 PyPI: https://pypi.org/project/apache-airflow/3.1.6/

## New Features
- Add fast client-side search to Airflow documentation (#59658)
- Add Refresh Token logic to auth manager docs (#54196) (#59482)
- Add UI/API performance tips (#59004) (#59052)

## Improvements
- Improve CLI date argument help text documentation (#59797) (#59810)

## Bug Fixes
- Protect against hanging thread in aiosqlite 0.22+ (#60217) (#60245)
- Fix log task instance sqlalchemy join query (#59973) (#60222)
- Fix invalid uri created when extras contains non string elements (#59339) (#60219)
- Fix operator template fields via callable serialization that causes unstable DAG serialization (#60065) (#60221)
- Fix real-time extra links updates for TriggerDagRunOperator (#59507) (#60225)
- Fix signal handling in triggerer job runner (#60190) (#60214)