Problem
In MacOS, when connected to an external non-Apple mouse the scrolling seems to be jittery and laggy, instead of the smooth scrolling experience the macbook trackpad or Apple Mouse provides
Solution
- Download an utility called Mos from here.
- Install it and add it to start at login.
- Open the app and turn on smooth scrolling.
Conclusion
It’s done, you can now scroll smoothly on MacOS with external mouse.