I did the update and i have the same issue with kemper head.
I did many restarts to both rig manager and kemper head but the issue remains.
Also the version shown in the kemper head is 8.5.4 beta but i did not had loaded the beta release before.
I did the update and i have the same issue with kemper head.
I did many restarts to both rig manager and kemper head but the issue remains.
Also the version shown in the kemper head is 8.5.4 beta but i did not had loaded the beta release before.
I had the same issue , just uninstall and reinstall the RM. This solved it for me on windows.
Had the same problem but after going to the skipping performance and play a little bit left - right with the slots seems to be ok now.