# MinIO RELEASE.2018-06-08T03-49-38Z — Release & Upgrade Intelligence
- **Product:** MinIO (https://min.io)
- **Version:** RELEASE.2018-06-08T03-49-38Z
- **Released:** Jun 08, 2018
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/minio/updates/RELEASE.2018-06-08T03-49-38Z/

## Executive Summary (TL;DR)
MinIO RELEASE.2018-06-08T03-49-38Z. Source highlight: Swapped out Go RPC based implementation in Minio Server with HTTP Post based RPC. This change fixes multiple hangs, slowness issues in Minio Server. See #5840.

## New Features
- Added Prometheus metrics support for Minio Gateway. This is a community contribution from Yaroslav Skopets @yskopets. See #5987
- Add request tracing support for other REST APIs (#6013) (06/07/18) <Harshavardhana>
- Add user-agent for azure blob requests (#6002) (06/01/18) <Krishna Srinivas>
- Add prometheus endpoint to support total Used storageInfo (#5988) (05/30/18) <Harshavardhana>
- Add Prometheus metrics for Minio gateway (#5987) (05/30/18) <Yaroslav Skopets>

## Bug Fixes
- Swapped out Go RPC based implementation in Minio Server with HTTP Post based RPC. This change fixes multiple hangs, slowness issues in Minio Server. See #5840.
- Miscellaneous bug fixes.
- Fix regression issue where users couldn't click into folders (#6029) (06/07/18) <Kaan Kabalak>
- Fix presigned URL for access key with special characters (#6012) (06/05/18) <Harshavardhana>
- Fix byte pool usage, use only one pool for all sets. (#5990) (06/01/18) <Harshavardhana>
- Fix s3cmd issue with ACL handling (#5999) (05/31/18) <Harshavardhana>