As of 2024, Waves has moved past v12. You might be holding onto WaveShell2-VST3 12.0 because you own a "Perpetual License" that stopped receiving updates.
At first glance, this looks like random file nomenclature. However, for producers, sound designers, and engineers running Windows systems, this string represents a critical junction between legacy 32-bit plugins and modern 64-bit VST3-only environments. vst plugin waveshell2vst3 120x64 vst3