News in Gqrx 2.12:
- GNU Radio 3.8 support.
- Mute button in audio panel.
- Google Turbo and Plasma color maps.
- Set/get device gains via remote control.
- FFT display sometimes disappears.
- Crash on startup when using HackRF.
- dB scale disappears when zooming to 1 dB per grid line.
- Fixed Raw I/Q output missing one channel.
- Trap exceptions and show a message instead of crashing.
- Prevent zooming out too far.
- Make unlit digits slightly visible.
- Only show sample rates supported by both models of BladeRF.