I ran into the exact same issues with the installation constantly failing at 90% of the process. Personally, I respect the developer for hustling like crazy, but I’m not a Waves guy myself. If you are into Waves, you probably have a better understanding of the specifics than I do. To update to V12, you will either have your licenses covered by your Waves Update Plan (which means the update is free), or you will have to renew your coverage to update. But some of the user feedback so far is not exactly positive. This is probably still a worthwhile update for some users, perhaps the newer ones. So V12 is a bit of hit and miss so far, judging by the reports in forums like KVR.

– Update fees could reach as high as EUR 250, depending on the number and kind of Waves plug-ins you own. This makes for a slightly blurred look, even on Retina displays. – The GUI graphics are upscaled, not re-drawn.

– V11 of Waves plug-ins still remain installed, taking up space – DAW rescans all Waves plug-ins, which may take quite a while As welcome as the changes are, some Waves users report the following issues: So far, reactions to the update seem mixed. Free plug-ins – owners of Platinum, Horizon, and Diamond bundles get LoAir, Smack Attack, and Submarine for zilch.Compatibility improvements – Waves promises “full ongoing compatibility” with current DAWs and operating systems.They also benefit from optimized GPU performance. Retina Graphics – Waves plug-ins now look sharper on modern Macs and other high-resolution screens.The new preset browser aims to ease them in with text-based searching and preset auditioning. Preset Browser – Waves has so many plug-ins out there that finding the exact right one is outright daunting for newcomers.Resizable GUIs – Waves pluggos now have 5 adjustable sizes for their user interfaces.

V12 sees the following key areas of focus:

Waves v12 complete