These AU plugs are working in V3 Build 1

[doctorvague]

I checked the following:
Camel Audio CA5000
G-Force M-Tron Pro and String Machine
BFD2
Drumaxx
Saxlab
Absynth 4
B4II
FM8
Reaktor
Stylus RMX
Trilogy
Soundtoys effects
Stillwell effects
PSP effects
UAD effects

I didn't check everything but all appears to be working other than Volta.

[amsonx]

i've checked
FilterBank by Tone2 work
Ultra Analog VA-1 work