Here is a list of all related documentation pages:

Frequently Asked Questions	Provides some answers to some common questions
VST 3 Licensing Issues	This developer use case guide will help you to decide which VST 3 licensing model to choose
Other Copyrights/Trademarks
Test Applications	Some Host Applications showing how to use VST 3
VST 3 Version History	All released Versions with changes and dates
VST 3 - AAX Wrapper	Helper Class wrapping a VST 3 Plug-in to a AAX Plug-in
VST 3 - Audio Unit Wrapper	Helper Class wrapping a VST 3 Plug-in to a Audio Unit v2 Plug-in
VST 3 - Audio Unit v3 Wrapper	Helper Class wrapping a VST 3 Plug-in to a Audio Unit v3 Plug-in
iOS Inter-App Audio support	IOS InterApp-Audio Application out of your VST 3 Plug-in
VST 3 - VST 2.x Wrapper	Helper Class wrapping a VST 3 Plug-in to a VST 2.4 Plug-in