@B.Minor sorry to read you’re having difficulties - so I re-tested Cubase Pro 14.0.20 with SV2 2.0.7 and found no difficulty with tempo changes on Windows 10 Pro 19045.5737…
Here’s what it sounds like:
I think SV2 makes an educated guess at ramped tempos and just averages it - would be nice if it offered to average it out over a given division, ie 1/4 notes / 1/8 notes, etc… so we don’t have (as in this case) Nyl singing too fast and then too slow against the ramped tempo change. Cubase doesn’t offer ramp to step conversion at the moment - if it ever will ???