• Fixed – Number of file descriptors opened keeps growing on servers with multiple NICs or multiple external IPs
• Fixed – ICE Connection issues with Firefox v62
• Added – On-demand streaming available via clustered edge servers
• Added – Can configure UDP port range for WebRTC in webrtc-plugin.properties (defaults are 49152-65535)
• WebRTC performance optimizations
  • Smaller CPU spikes on connections
  • Even lower latency
  • Higher server capacity
• Updated Azure autoscaling cloud controller to support new instance types
• Updated AWS autoscaling cloud controller to support new regions
• Fixed – Can’t broadcast a stream with name event via Stream Manager

Autoscaling API v3.1 – New Features:

• REST API for Event Scheduling, which allows you to schedule a nodegroup scale-up or nodegroup creation.
• Ability to mount an AWS Elastic File System path via Launch Configuration

Release 5.2.0 Server Performance Metrics

Publishing a 256kbps stream via RTMP, we were able to achieve the following while still maintaining quality of stream:

• 500 WebRTC subscribers
• 1,800 RTSP (mobile) subscribers
• 1,000 RTMP subscribers

The same server type can support approximately forty 480p RTMP publishers