Enable SmoothScroll
MacOS Mojave 10.14 and above
- Select Privacy tab inside
System Preferences / Security & Privacy pane
- Select Accessbility from left menu
- Click + (plus) button and browse SmoothScroll.app
(likely inside Applications folder)
- Make sure the checkbox is enabled next to SmoothScroll
- Quit and relaunch SmoothScroll again
(to make the changes you may need to unlock the preferences
first with the Lock icon at the bottom left)