# MinIO RELEASE.2021-11-24T23-19-33Z — Release & Upgrade Intelligence
- **Product:** MinIO (https://min.io)
- **Version:** RELEASE.2021-11-24T23-19-33Z
- **Released:** Nov 25, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/minio/updates/RELEASE.2021-11-24T23-19-33Z/

## Executive Summary (TL;DR)
MinIO RELEASE.2021-11-24T23-19-33Z. Source highlight: Click here to download the latest version of MinIO.

## New Features
- Adds explicit deny support for **AddServiceAccoun**, refer #13657
- Add CI for etcd IAM backend
- add multi-site replication tests
- Add tests for OpenID STS creds and add to CI
- add explicit deny support for service accounts
- add gocritic/ruleguard checks back again, cleanup code.

## Improvements
- Re-implementation of `xl.meta` metadata handling for objects with multiple versions, provides following improvements - refer #13573
- Improve performance on multiple versions

## Bug Fixes
- Other miscellaneous bug fixes in ListObjects(), Tiering and LDAP service account handling.
- fix: use equalFold() instead of lower and compare
- Fix missing entries on first list resume
- fix: backend not reachable should be more descriptive
- add a tool to read healing.bin for debugging
- fix: restored object to preserve x-amz-meta properly