# MinIO RELEASE.2023-09-20T22-49-55Z — Release & Upgrade Intelligence
- **Product:** MinIO (https://min.io)
- **Version:** RELEASE.2023-09-20T22-49-55Z
- **Released:** Sep 21, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/minio/updates/RELEASE.2023-09-20T22-49-55Z/

## Executive Summary (TL;DR)
MinIO RELEASE.2023-09-20T22-49-55Z. Source highlight: Major memory improvements in replication hot-path reduction of 2x to 3x allocations on a busy cluster.

## New Features
- feat: SSE-KMS use uuid instead of read all data to md5.
- perf net: Add the endpoint name related to the perf net error

## Improvements
- Major memory improvements in replication hot-path reduction of 2x to 3x allocations on a busy cluster.
- SSE-KMS now uses a fast-path without doing md5sum providing a major performance boost for encrypted
- Improve performance for Console UI logins.

## Bug Fixes
- Fixes a regression in permission handling of LDAP user based service accounts in previous release.
- add all missing go.mod for debugging tools
- Fix building reorder-disks under darwin
- fix: regression in loading LDAP users policy mappings