Just spotted this on TR1 Support page:
https://support.bang-olufsen.com/hc/en-us/articles/360041404192-Beolab-Transmitter-1
No changelog provided other than some versions:
wpl_tx: 1.1.7.7159 (FEP: 1.19a), (DSP: 0.60a), (SUMMIT: 0208-02)
BeoLab17: 1.1.7.7195 (FEP: 1.91a), (DSP: 1.96j), (SUMMIT: 0208-03)
BeoLab18: 1.1.7.7195 (FEP: 1.91a), (DSP: 1.96j), (SUMMIT: 0208-03)
BeoLab19: 1.1.7.7195 (FEP: 1.91a), (DSP: 1.96j), (SUMMIT: 0208-03)
BeoLab20: 1.1.7.7195 (FEP: 1.91a), (DSP: 1.96s), (SUMMIT: 0208-03)
BeoLabR1: 1.0.1.7196 (FEP: 1.00a), (SUMMIT: 0208-03)
For comparision, does someone have the previous WPL zip from 2018 ?