WSJT-X 2.1.0 has been released:

https://sourceforge.net/p/wsjt/mailman/message/36718281/

The main addition is the FT4 mode, but quoting the release message:

Improvements have also been made in the following areas:

  • FT8 waveform generation using GMSK, fully backward compatible

  • user options for low-sidelobe waterfall and spectrum display

  • UDP messaging for inter-program communication

  • accessibility

… as well as many minor enhancements and bug fixes.

Release notes at: http://physics.princeton.edu/pulsar/k1jt/Release_Notes.txt

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