I reported that bug right after installing OS 1.20eli125 wrote:when volume link is ON the upper 1 dose not move up normal lets say upper 1 is set to 95 upper 2 set to 127 @upper 3 by 127 when moving down upper 2or upper 3 to 105 upper 1 will move to 40 on os 1.20 korg thanx for updates till now thanx for the recording what used to get corrupted on os 113 and some other good updates and lets see some more updates thanks

https://www.youtube.com/watch?v=ZAMyod7QMKk