Red5 Pro v14.2.0: castLabs Forensic Watermarking Integration, Upgrades For Stream Manager 2.0, And More!

Let’s take a look at the latest Red5 Pro release introduced since our previous blog covering versions 14.1.0. The Red5 Pro v14.2.0 update brings castLabs forensic watermarking integration, performance upgrades for Stream Manager 2.0, and other important improvements and bug fixes designed to enhance your live streaming experience.

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What’s New in Red5 Pro v14.2.0?

Here is what you need to know about the Red5 Pro 14.2.0 update announced on May 16, 2025.

New Features

• castLabs Watermarking support to forensically watermark live streams.

A visual example of STARDUSTmark integration, a Castlab forensic watermarking feature

Improvements

• Notifications via metadata when an unsupported codec is detected
• h.265 to h.264 transcoding audio sync
• Improved performance of h.265 transcoding
• KLV data defined in the PMT table using registration descriptor is recognized
• Stream Manager 2.0 CPU and Memory based scaling improvements
• Stream Manager 2.0 Failed Node limit parameterized and raised
• Stream Manager 2.0 improved logging
• Stream Manager 2.0 Kafka timeouts parameterized and improved
• Stream Manager 2.0 Terraform and Kafka threading improvements
• Stream Manager 2.0 destroys faulted nodes automatically

Bug Fixes

• Updated SDP to ensure recordings have proper resolution
• Websocket memory leak in some scenarios
• Opus transcoder could push CPU to 100% in some scenarios
• ABR transcoding leaks memory in some scenarios
• Reconnecting to Transcoder with WHIP could fail if the encoder sends a DELETE message without the nodeGroup id
• Stream Manager 2.0 subgroup routing fixed
• Stream Manager 2.0 capacity limits could be exceeded by one connection
• Stream Manager 2.0 could not delete a mixer event if the mixer node was already removed
• Stream Manager 2.0 could mark nodes as faulted if rapid reconnects occurred
• Stream Manager 2.0 restreamer could fail on multiple SRT reconnects

Known Issues

• iOS >=18.4.1 flv recordings may not play back properly

Conclusion

Red5 Pro v14.2.0 delivers a valuable new capability by introducing forensic watermarking support, built on Stream Manager 2.0, and presents other valuable improvements and bug fixes. This release further optimizes your live streaming development process, ensuring smooth and high-performance delivery across your applications.

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