• New official Ubuntu PPA and Mac OS X app bundle.
• Allow using audio output devices other than the default.
• Automatic I/Q phase and gain correction (requires gr-iqbal).
• Qt 5 support.
• Added GNU Radio 3.7 support.
• Added HackRF Jawbreaker support.
• Added Funcube Dongle Pro+ support.
• Added option to select antenna connector on e.g. USRP devices.
• Configuration option to choose location of WAV recordings.
• Added command line option to remove configuration file.
• Added command line option to launch I/O device editor before application.
• Fixed broken frequency control widget with recent Qt.
• Bug that caused audio FFT data to be leaked into the I/Q FFT.
• Audio recording & playback.
• Implemented proper handling of frequencies above 2147483647 Hz.
• Y-axis panning (click-and-drag).
• Rescale waterfall when resizing the main window.
• Added gr-audio support on Linux.
• Audio gain setting no longer has impact on WAV recording.