AutoScroll
AutoScroll is a plugin for BetterDiscord that brings the mouse wheel button autoscroll feature to the GNU/Linux and macOS client. This plugin is a fork of the AutoScroll extension made by Pauan, licensed under the X11/MIT License.
Installation
If you don't have BetterDiscord installed, follow this guide.
Once you have BetterDiscord, download the plugin and move it to the plugins folder.