A new update for GD Quantum Theme Pro brings many more styling improvements and some new features, including support for an upcoming new bbPress plugin to be announced later today.
New plugin GD Forum Manager for bbPress will be released later today, and Quantum theme is fully compatible and it includes few styling tweaks for this plugin.
Quantum theme 2.2 includes support for changing color for different topic statuses (spam, padding, and trash), and these 3 colors have been added to the Customizer too. Topics archive page now shows the notice with a count of all topics and replies. There are many other updates and fixes, including new version of the third party library SCSSPHP used to generate the custom styling files).