BUG: Evolution Stratosphere, MUTE is 1/2 step sharp vs FULL/HALF PALM MUTE

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While double tracking Evolution Rock Standard and Evolution Stratosphere, I have come across a intonation issue during MUTE on the Stratosphere.

I'm muting note D2 on both the Rock Standard and Stratosphere. During the MUTE (KEYSWITCHED) on the Stratosphere, the pitch of note is noticeably sharp to the point that the pitch is approaching -if not hitting- D#2.

It's obvious when compared to the properly-muted Rock Standard played in the exactly the same manner. It also seems to be doing it on other notes on the Stratosphere.

I also tried to use pitch bend automation to flatten it but it has no effect on the pitch.

Can anyone confirm this is happening to them? Just need a sanity check.