Looks like Qubes 4.x uses libinput rather than synaptics for the touchpad 
driver (and probably other things, too).  I was able to speed things up by 
running the following command sequence:

xinput list

to get a list of my devices.  My touchpad has id=11.  To see its properties 
I run

xinput list-props 11

Hopefully you see settings you can change to get the behavior you want!

To spot most of the speed-related settings, try running

xinput list-props 11 | grep -ie constant -ie decel -ie accel

Unfortunately I only get

libinput Accel Speed (314):   -0.600000
libinput Accel Speed Default (315):    0.000000

so I've had to experiment around a lot with the "Coordinate Transformation 
Matrix (156)" setting to speed up my mouse.  At least for now I have 
settled on

xinput set-prop 11 156 5 0 0 0 5 0 0 0 1

Hope this helps!

--Steve


On Wednesday, March 20, 2019 at 1:05:07 PM UTC-7, cubit wrote:
>
> Hello Qubes-users
>
> I'm running an x230 with 4.0.1 and am trying to figure out how I can make 
> the two finger scroll gesture on the touchpad more responsive
>
> Under 3.2 this worked very well and scrolling was responsive,  so much you 
> could "flick" a page and it'd scroll for a little on its own.  Since 
> updating to 4.0.1 the responsiveness of two finger scroll gesture on the 
> x230 has become very slow where a full swipe of the touchpad will scroll 
> about a 12th of the screen at a time.  USB mouse works perfectly
>
> Does anyone experience the same thing or have suggestion on how to make it 
> more friendly?
>
> Cubit
>
>
>

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