If you have version 11 plugins installed but are using a version 12 or 13 Waveshell, they may not talk to each other. Always use the version of Waves Central that matches your plugin versions. DAW Blocklist:
If the DAW sees the WaveShell but no individual plugins, you must ensure the Waves Central application has properly licensed and installed the "V11" versions. Vst Plugin Waveshell1-vst3 11.0-x64 -vst3-