User Guide
Firmware 4.0.0 release notes
Firmware 4.0.0 is a maintenance release that fixes some minor issues and improves the memory allocation performance of the AV.io 4K.
Overview
AV.io 4K is the easiest
What's fixed
Improved image quality downscaling from 1080p to 720p
Improved the AV.io 4K image quality when downscaling from 1080p to 720p.
Stabilized audio capture
The audio capture using AV.io 4K is improved and audio no longer gets dropped during capture.