Initial release. Supported features include:

• High-level API for sending and receiving unencrypted packets and voice streams
• Soundmodem with sound card integration
• Serial port PTT integration
• KISS TNC
• RTL-SDR input via rtl_fm
• Input from and output to RRC files
• Adapters for Codec2 input and output

Known issues:

• Demodulator is not very sensitive, especially when receiving on an analogue FM receiver rather than an SDR.