Trackpad gesture to switch desktops stopped working.
Seemingly out of nowhere, the left/right swipe gesture to switch between desktops has stopped working.
I've rebooted a few times and tried changing the Trackpad settings in System Preferences, but nothing has fixed this.
All other gestures seem to be fine.
Any ideas on where to begin troubleshooting, or is this perhaps a known bug?
A google search showed a handful of reports of this issue but I couldn't find a solution.