My test just now was on Windows, but I use it regularly on Mac and Linux as well, and I'm pretty sure I would have noticed if it silently clobbered changes like

My test just now was on Windows, but I use it regularly on Mac and Linux as well, and I'm pretty sure I would have noticed if it silently clobbered changes like that. You're sure you had unsaved changes to the Sublime buffer for the file when you conducted your test?