Wowza Streaming Engine 4.10.0 Release Notes

Version: Wowza Streaming Engine™ 4.10.0+6 build 20260507202104 released May 13, 2026.

Java support: Wowza Streaming Engine 4.10.0 is compiled using Java 17 (OpenJDK Java SE JRE 17.0.12) but can be used with Java versions 17 or 21. For more details, see Java version information.

Detailed list of changes in Wowza Streaming Engine 4.10.0

The following changes were released in Wowza Streaming Engine 4.10.0.

• Improvements:
  • Improved stability and performance for transcoder overlays.
  • MainConcept Easy Video API (EVA) has moved out of beta to general availability.
  • Optimized stream target implementation.
  • Improved reliability of transcoder session start.
  • Optimized live and VOD HTTP-origin applications. Removed the following deprecated playback client type properties:
    • smoothCacheControlPlaylist
    • smoothCacheControlMediaChunk
    • smoothCacheControlDataChunk
    • smoothStreamingEncryptionRandomIV
  • 
    
    Engine can now handle higher-resolution and higher-complexity input frames.
  • Public-facing REST API documentation is now available on the Wowza Developer Portal.
• 
  
  Bug fixes:
  • WSE transcoder failed during ingest initialization with a "Cannot enable executable stack" error. Fixed on Ubuntu 25.04+, Debian 13, Fedora, and Arch Linux.
  • Updated the default Application.xml template for live and VOD applications deployed in AWS cloud images.
    • The following packetizers have been removed:
      • sanjosestreamingpacketizer (Adobe HDS)
      • smoothstreamingpacketizer (Microsoft Smooth Streaming)
    • Added <SRTListener> block
  • Improved transcoder functionality with variable bitrate (VBR) source-streams.
  • Intermittent TLS errors during RTSPS playback affected customers using secure RTSP pull workflows.
• Security:
  • Resolved CVE-2026-24734 affecting Apache Tomcat.
  • Resolved CVE-2026-29145 by updating Apache Tomcat to version 10.1.53.
  • Resolved CVE-2025-68161 related to log4j version.
  • Resolved CVE-2026-22732 (updated Spring Security Core 6.5.9 and Spring 6.2.17)
  • Resolved CVE-2025-2223 security vulnerability.
  • Updated OpenSSL to 3.5.5 on Windows Wowza Streaming Engine installation.

Known issues with Wowza Streaming Engine 4.10.0

For a detailed list of currently known issues, see Known issues with Wowza Streaming Engine.