Super+T

? Whykey could not inspect Desktop compositor.

Route
  1  Remapper            v  none detected
  2  Desktop compositor  ?  no read-only adapter is available
  3  Terminal            -  not inspected
  4  TTY driver          -  not inspected
  5  Input method        -  not inspected
  6  Multiplexer         -  not inspected
  7  Shell               -  not inspected

Confidence  incomplete: Desktop compositor could not be inspected, and no other layer reported a binding.

To confirm
  whykey listen --window  press the shortcut in the probe window to see if it arrives

More  whykey super+t -v
