I've been using WSPR for a long time, using V2.0.0. I upgraded to V2.3.0, but find that the power output on transmit is a negligibly small amount, even with all the PC settings set to maximum.

I'm using Windows 10 home, interfaced to an IC-7300 via USB
Receive seems to work fine, just no transmit - the rig goes to TX at the appropriate time, just there is no power output.

I've gone back to V2.0.0 and all is well again.

Any ideas?

Alastair G3ZHZ