This major release is due to the many backwards compatibility breaking and command structure changes to the source code. Its been awhile since last release so its overdue but it was worth it.

Biggest improvements in this release:

Added hardnested attack (@pwpiwi)
Improved low frequency functionality (@marshmellow42)
Improved mifare check keys functionality (@iceman1001)
Working Iso15693 r/w function again (@pwpiwi)
Improved lf graphing overlaying the demodulated data over raw wave (@marshmellow42)

Note: the old proxspace environment requires at least uic.exe from the proper qt library added to compile latest code, it is recommended to use a newer compile environment going forward.

Note: for windows ppl who needs a newer compile environment we suggest you read this thread on PM3 forum http:https://www.proxmark.org/forum/viewtopic.php?id=3975