FreeDV v1.9.9.1 released

This release contains the following content:

1. Bugfixes:
   • Cache PortAudio sound info to improve startup performance. (PR #689)
   • Fix typo in cardinal directions list. (PR #688)
   • Shrink size of callsign list to prevent it from disappearing off the screen. (PR #692)
   • Clean up memory leak in FreeDV Reporter window. (PR #705)
   • Fix issue causing delayed filter updates when going from tracking band to frequency. (PR #710)
   • Fix hanging issue with footswitch configured. (PR #707)
2. Enhancements:
   • Add additional error reporting in case of PortAudio failures. (PR #695)
   • Allow longer length user messages. (PR #694)
   • Add context menu for copying messages to the clipboard. (PR #694)
3. Documentation:
   • Remove broken links in README. (PR #709)
4. Build system:
   • Add ability to build without LPCNet in preparation for potential future deprecation of 2020/2020B. (PR #711)

More information and download links can be found here.

Note: v1.9.9.1 has been released due to a Windows-only bug caused by PR #689. This PR has been partially reverted in PR #712 and this post subsequently edited to point to the new release.