Changes since version 4.2.11

    Video Button
      * Move TX timer display to status bar
      * add Video light button on/off to menu bar

    Reverse set with flrig
      * flrig changes in LSB/USB modes not correctly setting reverse flag

    XMIT text color
      * fix bug which caused XMIT text to not save when changed

    dxcc query
      * suppress debug strings

    QRSS mode
      * ultra slow continuous wave MORSE mode
        . transmit using either audio CW or DTR/RTS keying
          with RigCAT
        . receive using Sliding Fast Fourier Transform with
          horizontal waterfall extending over hours of reception.
        . transform values saved to comma separated value, CSV, for
          either replay by fldigi, or off-line data analysis.
        . New horizontal widget, 'video-stream'
          . displays frequency vertical, time horizontal, frequency
            bin amplitude in color / intensity.
          . +/- view expansion over selectable time duration.
          . color rendition, gain and level controls similar to waterfall
        . separate QRSS Rx/Tx dialog.

    wf click
      * add action upon release of CONTROL right mouse button
        on waterfall
        . set new tracking point to cursor position
        . execute QSY to the new tracking frequency

    CW debug
      * suppress all debug lines

    Wayland incompatibility
      * remove code causing segfault