For the keyword -vst3- , it is important to understand why you might not want the VST3 version.
The version number. (released late 2020/early 2021) was a seismic shift. vst plugin waveshell1-vst3 13.0-x64 -vst3-
Keyboard focus. Many users report that VST3 versions of Waves plugins (especially H-Comp and CLA-76) steal keyboard focus in Ableton Live, preventing spacebar play/stop. Rolling back to VST2 fixes this. For the keyword -vst3- , it is important
. Instead of each plugin being its own file, Waves uses this "WaveShell" as a software gateway to access the actual plugin data stored in a central folder. Key Details for Version 13.0 Version 13 Release For the keyword -vst3-