You have to use libinput at the moment for Wayland, gnome and KDE are both transitioning to libinput. As far as configurability goes: its not meant to be as configurable. Synaptics exposed every possible control knob, despite the fact that some of them were completely untested / known to be broken. AFAIK, libinput is going the route of "Sane defaults, expose what we know works and what we actually support changing." Instead of "Change ALL THE THINGS!"
Yes there's still some teething problems but those are being worked out. Libinput's maintainer has been pretty good, I think anyway, about bug reports and communicating reasons / thought processes on his blog.
On Wed, Aug 19, 2015 at 2:33 PM, Rajeesh K V <rajeeshknambiar@gmail.com> wrote:
> Fedora 22 uses the newer libinput touchpad driver, you can uninstall
> it and install xorg-x11-drv-synaptics to configure as in Fedora 21.
Do we know why this transition was made from xorg-x11-drv-synaptics to
libinput? I've read from a number of users frustration over the fact
that libinput doesn't provide the level of configurability that
xorg-x11-drv-synaptics provided, which effectively makes using a
touchpad an exercise in frustration. In other words, this is a serious
regression. As an example, the KDE Settings contains many parameters,
almost all of which are grayed out when running with libinput.
-Adam Batkin
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