I can tell you it doesn't work for any of mine (Waves, Soundtoys, Universal Audio). I've seen the claim before that AfxP was intended to work with 3rd party plugins. The anticipative fx processing doesn't need special support from the plugins involved, it works just the same for the plugins that are included in Reaper or 3rd party VST plugins.Īnticipative fx processing must be disabled for any track with a 3rd party plugin inserted or you can get system crippling performance. Well, I guess if they're selling that plugin bundle stand-alone that kinda seems obvious in hindsight. vst extension and file system locations) just to restrict them from other DAWs? Hmmm. So they are not strictly "standard" VST plugins, but very close. They are plain old VST2 plugins with things in them that disable them from being used in other hosts than Reaper.