v2.2.1

FreeDV 2.2.1 has been released, containing bugfixes for issues discovered since the release of 2.2.0 along with a change to ensure continued operation of the FlexRadio integration. These changes are outlined below:

1. Bugfixes:
   • Fix UBSan/TSan errors from 2.2.0 build. (PR #1200, #1208)
   • Fix compile error when trying to use Hamlib 5.0-git. (PR #1202)
   • Fix bug causing PTT input to be initially ignored until pushing the PTT button. (PR #1203)
   • FlexRadio: Fix command format for UDP port. (PR #1205; thanks @amcdermond!)
   • Cache PTT response time to minimize first TX reporting issues. (PR #1207)
   • Hamlib: Add checking prior to retrieving minimum/maximum baud rates. (PR #1209)
   • Autosize columns in main window drop-down list. (PR #1213)
   • PulseAudio/pipewire: Use fixed wait time between processing cycles. (PR #1216)
   • Slow down waterfall display when waterfall is small (i.e. displayed with other plots). (PR #1216)
   • FlexRadio: Terminate on SIGHUP to avoid hangs on exit. (PR #1214)
2. Build system:
   • macOS: Fix dylibbundler call for compilation. (PR #1204)
   • macOS: Add /Applications shortcut to generated DMG. (PR #1206)

Available binary releases (click Assets to expand the section and retrieve download links):

• FreeDV-2.2.1-windows-x86_64.exe (64 bit Windows for Intel/AMD)
• FreeDV.dmg (ARM/Intel macOS, Big Sur/11.0 or later required)
• FreeDV-2.2.1-x86_64.AppImage (AppImage for Linux for Intel/AMD)
• FreeDV-2.2.1-aarch64.AppImage (AppImage for Linux for ARM systems, e.g. Raspberry Pi 5+)
• FreeDV-FlexRadio-2.2.1-x86_64.AppImage (AppImage for experimental FlexRadio support, Intel/AMD systems)
• FreeDV-FlexRadio-2.2.1-aarch64.AppImage (AppImage for experimental FlexRadio support, needs Raspberry Pi 4+)
• FreeDV-KA9Q-2.2.1-x86_64.AppImage (AppImage for RX-only web SDR support, Intel/AMD systems)
• FreeDV-KA9Q-2.2.1-aarch64.AppImage (AppImage for RX-only web SDR support, needs Raspberry Pi 4+)`