I've installed an eprom with the new OS and had a play,
I'm noticing parameter value jumps rather than smooth counting through values and also the Matrix display not reflecting exactly what the editor/conmtroller software (OB6000) is showing.
I dont know if this is related to your update or not as i have not swapped back the eproms yet to try and reproduce or whether its something you were even looking at with your update.
Heres a video to show what i mean.
https://goo.gl/photos/JC4moyS92UPuZA9C6