Ok, I have verified this myself. With all settings remaining the same. There is a definitely tracking issue with the upper register in the rev 3 filter vs the 1/2 filter. Very weird. This is beyond just difference in characteristics. You can hear that too within the keys that sound good between them both, but once you hit the high register, all hell breaks loose on the rev3 filter option and it sounds out of tune, ugly, etc..
I'd say this is official, unless they did this on purpose. I never owned a vintage rev3, so I can not say if thats its normal character. That said, this issue only rears its head up when the settings are as Quatschmacher said - Res maxed is the main thing.