I'm on Ubuntu Beta 20.04 and I observe that smooth scrolling is not working in Firefox or Chrome, while it works well in other apps, like Nautilus/Files GNOME settings or within GNOME shell applications listing.
I tried with Firefox in safe mode (so without any extension) with the same result. I also tried with a completely new GNOME user account (without any customization), with the same result. I'm not so used to Chrome, but I tested with it also shows that smooths scrolling is not working.
Another test I did is to boot from a Fedora Workstation 32 Beta USB stick (with GNOME) and the smooth scrolling was working well in Firefox.
I'm on Ubuntu Beta 20.04 and I observe that smooth scrolling is not working in Firefox or Chrome, while it works well in other apps, like Nautilus/Files GNOME settings or within GNOME shell applications listing.
I tried with Firefox in safe mode (so without any extension) with the same result. I also tried with a completely new GNOME user account (without any customization), with the same result. I'm not so used to Chrome, but I tested with it also shows that smooths scrolling is not working.
Another test I did is to boot from a Fedora Workstation 32 Beta USB stick (with GNOME) and the smooth scrolling was working well in Firefox.