Does anyone know where this new feature is located/activated?
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Itâs just there by default, if you zoom in youâll see theyâre smoother.
aaahhh, missed that! Thanks:) 12 is great and working flawlessly here.
It isnât there by default.
It is activated with Interpolate Audio Waveforms in Preferences > Event Display > Audio.
Before Cubase 12, it was simply joining the samples with a curve instead of flat steps when you would zoom high enough to see them.
Now it also adds anti-aliasing to the waveform edges so the pixels arenât sharp. This isnât related to the zoom level.
Unfortunately thereâs quite a bunch of issues with this new functionality, including making silences thicker, graphical and performance issues in the editor, and MAC users cannot disable it.
Itâs a default setting, so you donât need to activate it. Much like how âShow Waveformsâ doesnât need activating.
The overall rendering of waveforms is overall cleaner/smoother, anti-aliasing being a part of the new routine.
Well, for me it was disabled by default.
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Hit the âdefaultsâ button it should look like my screenshot:
You can cancel afterwards so those changes donât get saved.
Waveform Interpolation is an option thatâs at least 10 years old, so if youâve updated Cubase from older versions, carrying your prefs over I expect that accounts for it. At some point it was probably considered a performance hit and started life disabled?! 
So yes, any longterm users reading this, check that option for sure!
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