Thanks for your try to help. I can automate and midi map the parameter. But they do not reflect the actual state of the plugins. It's happening within Live and Reaper so it's not a DAW problem. All my other plugins behave as expected.Funkybot's Evil Twin wrote: Thu May 29, 2025 3:52 pm That's weird because I use CSI in Reaper to control ValhallaDelay VST3 on my MIDI Fighter Twister and/or X-Touch and it works fine. It's basically tapping into the automation parameters/system via TrackFX_GetParamNormalized/SetParamNormalized APIs.
Can you create and share an otherwise empty .rpp project with ValhallaDelay VST3 on a track along with the automation lane(s) that reproduces the error? And if you can do that, then I'd also even suggest shooting an email to support@cockos.com with a link to said .rpp in case it's a Reaper thing. If they confirm it's not, Justin or Schwa may be able to respond with details about why it's happening that may be helpful for Sean.
Take a closer look at the values in the automation lane. They do not represent the actual state. This happens with Live and Reaper Here the VST2. The values are between 0 an 1 instead of the value of the plugin.
