In this page we post official release notes and changelogs related to AIDA64 Extreme Edition 5.20.3407 beta, if and as software developers make available these. However, if you need more info on AIDA64 Extreme Edition 5.20.3407 beta, or relases notes are not available yet, you can always consider to read its description as well.
Improved support for UAS devices, Intel Processor Number detection for Core i3-4170T, 4370T, Pentium G3460T, motherboard specific sensor info for Advantech AIMB-580, Asus Sabertooth X99, Kontron KTQM67 Series, and bug fixing.