Clem Schmidt has just released QIRX 4.2.3 with some bugs fixed and support for RSP1B and RSPdxR2.
QIRX 4.2.3 is a maintenance release.
It’s important to have SDRplay Service V3.15 installed when using RSP1B or RSPdxR2.
QIRX does not install the API.
More details about this new 4.2.3 can be found on the QIRX history page.
Download the excellent QIRX 4.2.3 here.