FreeDV v1.9.1 released

[Mooneer Salem]

Hi all,

FreeDV v1.9.1 has been released, which contains the following content:

1. Bugfixes:
    * Revert BETA back to prior 1.9.0 value for waterfall. (PR #503)
    * Optimize FreeDV Reporter window logic to reduce likelihood of waterfall stuttering. (PR #505)
    * Fix intermittent crash during FreeDV Reporter updates. (PR #505)
    * Fix intermittent crash on exit due to Hamlib related UI update code executing after deletion. (PR #506)
    * Fix serial port contention issue while testing PTT multiple times. (PR #506)
2. Enhancements:
    * Add support for monitoring voice keyer and regular TX audio. (PR #500)
    * Add background coloring to indicate that the voice keyer is active. (PR #500)

More information and download links can be found at https://github.com/drowe67/freedv-gui/releases/tag/v1.9.1.

Thanks,

-Mooneer K6AQ