# MinIO RELEASE.2020-10-09T22-55-05Z — Release & Upgrade Intelligence
- **Product:** MinIO (https://min.io)
- **Version:** RELEASE.2020-10-09T22-55-05Z
- **Released:** Oct 09, 2020
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/minio/updates/RELEASE.2020-10-09T22-55-05Z/

## Executive Summary (TL;DR)
MinIO RELEASE.2020-10-09T22-55-05Z. Source highlight: Improvements to locking. See (#10644, #10640, #10637) for more details.

## New Features
- add NVMe drive info [model num, serial num, drive temp. etc.] (#10613) (10/04/20) (Shireesh Anjal)

## Improvements
- Improvements to locking. See (#10644, #10640, #10637) for more details.

## Bug Fixes
- fix: cleanup old directory handling code. See (#10633) for more details.
- Fix replication slowness. See (#10632) for more details.
- fix: caching doc README.md missing high watermark (#10646) (10/09/20) (miraculli)
- fix: handle concurrent lockers with multiple optimizations (#10640) (10/08/20) (Harshavardhana)
- fix: allow read unlocks to be defensive about split brains (#10637) (10/07/20) (Harshavardhana)
- fix: add docs for new event types in notification (#10636) (10/06/20) (Poorna Krishnamoorthy)