WSJT-X 2.1.0

The WSJT Development Group is pleased to announce the general availability (GA) release of WSJT-X Version 2.1.0.

WSJT-X 2.1 is a major upgrade that introduces FT4, a new protocol for HF contesting.

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.

We now provide a separate installation package for 64-bit Windows, offering significant improvements in decoding speed.

A more detailed list of program changes since WSJT-X 2.0.1 can be found in the cumulative Release Notes: http://physics.princeton.edu/pulsar/k1jt/Release_Notes.txt

Upgrading from earlier versions of WSJT-X should be seamless. There is no need to uninstall a previous version or move any files.

Please do not continue to use any release candidate — that is, any beta release with “-rc#” in the version name.

Links to installation packages for Windows, Linux, and Macintosh are available here:
http://physics.princeton.edu/pulsar/k1jt/wsjtx.html

You can also download the packages from our SourceForge site:
https://sourceforge.net/projects/wsjt/files/

It may take a short time for the SourceForge site to be updated.

WSJT-X is licensed under the terms of Version 3 of the GNU General Public License (GPL). Development of this software is a cooperative project to which many amateur radio operators have contributed. If you use our code, please have the courtesy to let us know about it. If you find bugs or make improvements to the code, please report them to us in
a timely fashion.

We hope you will enjoy using WSJT-X Version 2.1.0.

— 73, Joe, K1JT, for the WSJT Development Group

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