# MinIO RELEASE.2020-05-16T01-33-21Z — Release & Upgrade Intelligence
- **Product:** MinIO (https://min.io)
- **Version:** RELEASE.2020-05-16T01-33-21Z
- **Released:** May 16, 2020
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/minio/updates/RELEASE.2020-05-16T01-33-21Z/

## Executive Summary (TL;DR)
MinIO RELEASE.2020-05-16T01-33-21Z. Source highlight: Major performance improvements in reedsolomon implementation.

## New Features
- Add support of TCP fast open in internode calls - see #9486 for more details.
- add comment on exported error (05/15/20) (Harshavardhana)
- add missing admin actions, enhance AccountUsageInfo (#9607) (05/15/20) (Harshavardhana)
- add github workflow for windows (#9611) (05/15/20) (Harshavardhana)
- mint: Add more SQL tests (#9540) (05/15/20) (Anis Elleuch)
- do not add quotes around etag, if already present (#9603) (05/14/20) (kannappanr)

## Improvements
- Major performance improvements in reedsolomon implementation.
- Improve performance with avoiding double ListObjectParts for multipart operations.
- avoid double listObjectParts calls improves performance (#9606) (05/15/20) (Harshavardhana)

## Bug Fixes
- Fixes a race locking race in local FS/NAS gateway setup which can lead to crashes in high concurrenct environments - see #9598 for more details.
- fix: possible race in FS local lockMap (#9598) (05/14/20) (Harshavardhana)
- tests: Fix one multi-delete test failure in Windows CI (#9602) (05/15/20) (Anis Elleuch)
- fix: windows tests for all cases (#9594) (05/14/20) (Klaus Post)
- Fixes broken image preview for anon user (#9584) (05/13/20) (ebozduman)
- fix: use unused cacheMetrics code in prometheus (#9588) (05/13/20) (Harshavardhana)