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how to fix opposite scroll directions for mouse and trackpad in firefox

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firefox doesn't respect windows 10 scroll direction. I set trackpad to natural scrolling in the win settings. I also went through the process of adjusting the registry to invert my mouse wheel scrolling behavior. It works in every app I've tried except firefox. one fix I found for scrolling direction in firefox is to change mousewheel.default.delta_multiplier_y to -100 (from 100) in about:config but this only applies to the mouse so my trackpad and mouse scroll in opposite directions(!). How do i set the scrolling direction in firefox to be the same as in my system for both the trackpad and mouse wheel? thanks

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I can't believe firefox on windows is such a disaster with respect to scrolling. I'm now noticing that the scroll direction isn't always consistent in new tabs. sometimes it respects my settings, sometimes not.

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You can revers the scroll direction by setting related delta_multiplier_y pref to -100 on the about:config page.

See Preferences for customizing delta values and default action:

You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.

Modified by cor-el

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i already changed the delta_multiplier_y value as i pposted in my question. It only applies to the mouse wheel and not the trackpad. it also doesnt work consistently.

Modified by dschneiderch

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