Win 10 64 bit, Live 12 (w Push 3 controller), Reaper 7. Valhalla DSP: Delay, UberMod, Supermassive, Spacemodulator, VintageVerb.
The issue I have is with automating (Live and Reaper), controlling Valhalla DSP plug-ins with Push 3 (Live), using the plug-ins within a macro-mapped rack (Live).
Here we go
Take a closer look at the "ms" values shown in Reaper and later how the "Modes" behave

Macro assignment is way off and buggy (never experienced that with any other VST)

Similar automation issues in Live (take a closer look at the "ms" values)

Compare how Sandman Pro (Mode parameter) behaves versus ValhallaDSP Delay

