---
title: ZEN MASTER May 2021 RELEASE NOTES
slug: zen-master-may-2021-release-notes
docTags: 
createdAt: 2025-03-21T15:29:14.955Z
---

The following updates are included in the ZEN Master May 6, 2021 release.


Improvements



• Added support for RTMP Push and Pull Sources
• Reduced and added user controllable thumbnail refresh time on Grids thumbnails
• Updated WebRTC preview player to fill entire browser window
• Added option to disable/enable dynamic child targets
• Added ability to see IDP Healthscore on Maps
• Added Transcoding profiles and PID Mapping profiles endpoints to public API
• General UI polish


Bug Fixes



• Fixed issue with events not filtering by tags and only matching on beginning or object
name/event message
• Fixed missing trace routes and trace route history
• Fixed issue with cluster monitoring when a deleted AWS Broadcaster was in the list
• Fixed issue with Content Analysis graph when zooming
• Fixed missing ‘Play with VLC’ button on Sources
• Corrected error message when enabling MediaConnect Sources
• Fixed broken muting functionality
• Fixed incorrect latency value display on child Targets
• Fixed invalid params error when cloning Zixi Pull Targets with type Other
• Fixed HLS Ad markers not being logged on adaptive Channels
• Fixed issue with alerts not being sent to some users
• Fixed GET Tag by id public API call returning all tags
• Fixed public API issues related to returning Broadcaster list, Source creation, and
deleting Broadcasters on GCP