# MinIO RELEASE.2023-12-02T10-51-33Z — Release & Upgrade Intelligence
- **Product:** MinIO (https://min.io)
- **Version:** RELEASE.2023-12-02T10-51-33Z
- **Released:** Dec 02, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/minio/updates/RELEASE.2023-12-02T10-51-33Z/

## Executive Summary (TL;DR)
MinIO RELEASE.2023-12-02T10-51-33Z. Source highlight: This is a major refactor release with WebSockets for internal communication between nodes.

## New Features
- feat: bring new HDD related performance enhancements
- snowball-repl: Add support of immediate tiering
- Add detailed parameter tracing + custom prefix
- feat: drive subsys to max timeout reload
- feat: support es compression
- Add TLS cert checksum

## Improvements
- Improve env var config error reporting

## Bug Fixes
- fix: close http body for es action
- fix: go mod was pointed to personal repos with replace remove it
- Adding a fix to check for bucket existence before upload
- fix(cmd/notification.go): no error when retry successful
- fix: delete null version at suspend version
- Fix shadowed error