DShell will be open sourced soon.
FOR AN UPDATED STANDALONE PROJECT: https://github.com/ShankarBUS/ModernFlyouts
Replace the Volume/SMTC UI with a custom one. Only for Windows 10 17763+
This repo is an example of how you shouldn't code. Code readibility is "wontfix".
Follow this guide (I haven't made an installer... yet.): Guide