11-12-2018, 10:00 AM
https://physics.princeton.edu/pulsar/k1jt/wsjtx.html
"The current General Availability (GA) release is WSJT-X 2.0.0
The FT8 and MSK144 protocols have been enhanced in a way that is not backward compatible with older program versions. The new protocols become the world-wide standards starting on December 10, 2018, and all users should upgrade to WSJT-X 2.0 by January 1, 2019. After that date, only the new FT8 and MSK144 should be used on the air
"The current General Availability (GA) release is WSJT-X 2.0.0
The FT8 and MSK144 protocols have been enhanced in a way that is not backward compatible with older program versions. The new protocols become the world-wide standards starting on December 10, 2018, and all users should upgrade to WSJT-X 2.0 by January 1, 2019. After that date, only the new FT8 and MSK144 should be used on the air