The support site is alive and kicking:
There are no announcements of note relating to this from WWDC 2019 through September 2019. That could change tomorrow, of course.
I’ve moved almost all my work devices over to VMware Fusion FWIW. There are plenty of reasons to not virtualize, so I encourage everyone still in the ...
I tried to find the /System/Library/PreferencePanes/Trackpad.prefPane file from macOS 10.13.5 and all the settings worked again. You just need to rename the file, for example by adding 1 at the end of the name, and open :)