No specific info about version 4.0. Please visit the main page of WaveLab on Software Informer.
Good software.
A collection of more than 5000 presets from the 17 modeled vintage keyboards.
WaveLab Elements is a complete audio editing and mastering program.
A powerful audio recorder to create WAV files from any source.
WaveLab Studio 6 - Audio Editing and Mastering Suite
A program designed to help users develop the skill of Absolute Pitch.
The Pitch Pipe Bagpipe Tuner is real-time pitch detection tuning app.
Good software.