In C10.5 when I make adjustments to the Tempo Track, the editing is very slow. There’s a big lag when clicking and dragging the line (even when the transport is stopped). Any thoughts why? (Cubase runs fine otherwise).
I experienced this when the Score Editor was open. Try closing all unnecessary windows. Does the lagging go away?
Indeed you are right! I use score editor all the time, so that tip helps, I’ll make sure to close the score window. I wonder if the problem persists in C11?
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Duno. Do you? 
Well, if you wonder, yes. The problem persists in C11 also.
(Video)
Just been having this problem in Cubase 12 also!
Has there been any proper acknowledgement of this problem?
Reported to Steinberg.
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