# MinIO RELEASE.2018-12-13T02-04-19Z — Release & Upgrade Intelligence
- **Product:** MinIO (https://min.io)
- **Version:** RELEASE.2018-12-13T02-04-19Z
- **Released:** Dec 13, 2018
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/minio/updates/RELEASE.2018-12-13T02-04-19Z/

## Executive Summary (TL;DR)
MinIO RELEASE.2018-12-13T02-04-19Z. Source highlight: Support KMS master key to be specified from an environment variable.

## New Features
- refactor vault configuration and add master-key KMS (#6488) (12/12/18) <Andreas Auernhammer>
- Add env to support synchronous ops for all calls (#6877) (12/11/18) <Harshavardhana>

## Bug Fixes
- Miscellaneous fixes in Federation, PCF backup tool support, Browser and NAS Gateway.