Release: WSJT-X 2.1 July 15, 2019
WSJT-X 2.1 is a major update that introduces FT4, a new protocol targeted at HF contesting. Other improvements have been made in the following areas:
– FT8 waveform generated with GMSK, fully backward compatible
– user options for waterfall and spectrum display
– contest logging
– rig control
– user interface
– UDP messaging for inter-program communication
– accessibility
There are numerous minor enhancements and bug fixes.
We now provide a separate installation package for 64-bit Windows 7 and later, with significant improvements in decoding speed.
http://www.physics.princeton.edu/pulsar/k1jt/wsjtx.html