# Apache Airflow 2.9.3 — Release & Upgrade Intelligence
- **Product:** Apache Airflow (https://airflow.apache.org)
- **Version:** 2.9.3
- **Released:** Jul 16, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/airflow/updates/2.9.3/

## Executive Summary (TL;DR)
Apache Airflow 2.9.3. Source highlight: Time unit for ``scheduled_duration`` and ``queued_duration`` changed (#37936)

## New Features
- Add notes about passing secrets via environment variables (#40519)
- Add more precise description of masking sensitive field names (#40512)
- Add slightly more detailed guidance about upgrading to the docs (#40227)
- Add warning to deprecated api docs that access control isn't applied (#40129)
- Add a note and an example clarifying the usage of DAG-level params (#40541)
- Add warning about the PostgresOperator being deprecated (#40662)

## Bug Fixes
- Fix calendar view scroll (#40458)
- Validating provider description for urls in provider list view (#40475)
- Fix compatibility with old MySQL 8.0 (#40314)
- Fix dag (un)pausing won't work on environment where dag files are missing (#40345)
- Extra being passed to SQLalchemy (#40391)
- Handle unsupported operand int + str when value of tag is int (job_id) (#40407)