Steinberg stopped licensing VST2 development in 2018. Waves has officially deprecated VST2 support in recent updates. If you buy a new Waves plugin today, it will install the VST3 version (and AU for Mac). This means Waveshell1-vst3 is the only way forward.
V14 introduced several workflow enhancements compared to previous versions: Vst Plugin Waveshell1-vst3 14.0-x64 -vst3-
Version 14.0 represents a major architectural leap for Waves. Key features of V14 include: Steinberg stopped licensing VST2 development in 2018