The next significant version of WSJT-X is expected to contain variation which will allow digital mode users to better use that mode for contests. It's been named FT4.
The ARRL says "FT4 is an experimental digital mode designed specifically for radio contesting that -- like FT8 -- uses fixed-length transmissions, structured messages with formats optimized for minimal contacts, and strong forward-error correction. Transmit-receive sequences are 6 seconds long, making it 2.5 times faster than FT8 and about the same speed as conventional RTTY for radio contesting. FT4 can work with signals 10 dB weaker what would be required to decode RTTY while using much less bandwidth."
Read the paper on FT4 at Preliminary FT4 Information
Something to look forward to in July 2019, by the sound of it.
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