Wowza Streaming Engine Release Notes (2025)

| ID | Description | Impact | |----|-------------|--------| | WZ-24567 | WebRTC playback stalls on Safari after 2 minutes | Fixed via SDP renegotiation | | WZ-24891 | HLS AES-128 key rotation fails on edge servers | Resolved by synchronizing token TTL | | WZ-25012 | REST API /v2/streams returns 500 on high load | Memory leak in JSON serializer patched | | WZ-25103 | MPEG-TS input with PCR jitter causes disconnect | Improved PCR tolerance window |

| Feature | Deprecated in | Removal in | |---------|---------------|-------------| | RTMP port 1935 (plain) | 4.9.0 | 5.0 (use port 1935 with TLS) | | Legacy VOD file scanning (XML-based) | 4.8.0 | 5.0 (use REST API) | | Windows 2012 R2 support | 4.10.0 | 4.11.0 | | JMX-based monitoring (non-Prometheus) | 4.9.2 | 5.0 | wowza streaming engine release notes

This article breaks down the anatomy of a typical Wowza Streaming Engine release note, highlights what to look for in recent updates, and provides best practices for upgrading. Every official release note from Wowza (accessible at www.wowza.com/docs ) follows a consistent structure: | ID | Description | Impact | |----|-------------|--------|

Set a recurring monthly reminder to check for new patch releases. Most production issues are fixed within 30 days of being reported — and those fixes are always detailed in the release notes first. Have a specific version’s release notes in mind? Visit the official Wowza documentation portal and search for your exact build number. Have a specific version’s release notes in mind

Last Updated: [Insert Current Date] Applicable Versions: 4.8.x, 4.9.x, 4.10.x (and legacy builds) Introduction Wowza Streaming Engine is a robust, customizable media server software used for live and on-demand streaming across RTMP, HLS, MPEG-DASH, WebRTC, and more. Staying current with the Release Notes is critical for system administrators, DevOps engineers, and streaming architects. These notes not only announce new features but also detail security patches, API changes, deprecated components, and known issues.