As I type this, I cannot scroll up/down with my mouse or trackpad in ST3. It worked fine yesterday. It broke for a few hours last week, and for a few days last month. It will start working again eventually, and I have no idea why. Closing and restarting the program has no effect on the problem. Scrolling works fine in other programs. Absolutely nothing apparent happens when I try to scroll.
… aaaand it just fixed itself. alt-tab four times between this post and the ST window and it didn’t work the first three and did just now.
I’d love to know what I can do while it’s failing next time, in order to troubleshoot it.