# MinIO RELEASE.2021-05-16T05-32-34Z — Release & Upgrade Intelligence
- **Product:** MinIO (https://min.io)
- **Version:** RELEASE.2021-05-16T05-32-34Z
- **Released:** May 16, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/minio/updates/RELEASE.2021-05-16T05-32-34Z/

## Executive Summary (TL;DR)
MinIO RELEASE.2021-05-16T05-32-34Z. Source highlight: Dynamic usage cache with major memory usage optimizations #12229

## New Features
- Add support for replication syncing metadata changes #11104
- sse: add support for SSE-KMS bucket configurations (#12295) (05/14/21) (Andreas Auernhammer)
- Add support for syncing replica modifications (#11104) (05/13/21) (Poorna Krishnamoorthy)
- feat: add dynamic usage cache (#12229) (05/12/21) (Klaus Post)

## Bug Fixes
- fix: do not fail upon faulty/non-writable drives (05/15/21) (Harshavardhana)
- fix: ensure proper usage of DataDir (#12300) (05/14/21) (Harshavardhana)
- fix: for deleteBucket delete on dnsStore first (#12298) (05/14/21) (Harshavardhana)
- fix: parentUser mapped policy for OIDC creds (#12293) (05/13/21) (Harshavardhana)
- fix: LDAP authentication with groups only (#12283) (05/12/21) (Harshavardhana)
- fix the dashboard to use $rate_interval (#12277) (05/12/21) (Nitish Tiwari)