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Red5 Documentation

Red5 Pro Release Notes 15.4.0

April 17, 2026

New Features

  • MOQ protocol now available
  • Video package for specific streams
  • Added scaling expectations scheduling API
  • Added testbed example of DC only connection
  • Added webhook support to Video Packager
  • Video Packager can now generate master playlist from ABR variant streams
  • HLS output now features automatic time-based partitioning
  • Video Packager can now output S3 and local files simultaneously
  • Added pause/resume autoscaling to debug-ui

Improvements

  • Update Pro server to Red5 2.0.30
  • Added new ‘disabled’ state for SM nodes
  • Updated jjwt library to latest
  • Added API to start stream endpoint to accept recording configuration as JSON structure

Bug Fixes

  • JSON metadata file now creating properly when recording streams
  • JSON metadata file is not getting created with recordings in some circumstances
  • Occasional high CPU usage with no clients connected
  • Videon SRT encoder ingest
  • Passthrough now works properly for RTMP/WebRTC in Video Packager
  • Audio glitch in some circumstances with WHEP playback
  • Stream Manager subscriptions to Twitch streams
  • HLS-MP4-MKV recording now working properly for WebRTC
  • Missing retention specifications in as-admin and as-autoscale
  • Occasional Cauldron crashes with AAC multi-channel
  • Some Video Packager node configurations could get into fault state unexpectedly
  • Repaired a memory leak in session reaper
  • Occasional edge faults when autoscaling blocked