Install gammaray-plugin-bluetooth by entering the following commands in the terminal:
sudo apt update sudo apt install gammaray-plugin-bluetooth
Description:
QtBluetooth type support for GammaRay
This plugin adds support for QtBluetooth types into GammaRay.
Homepage: http://www.kdab.com/gammaray
Version: 2.7.0-1ubuntu8
Section: universe/devel