[mobweb]

I just tested this because ST has notified me in the past when an item was changed, see: http://i.minus.com/jVzFslpF9xhuo.png

BUT it seems that this doesn't always work. I just tested with a newly created file and for some reason there was no warning, it just reloaded the file.

[jackmoore]

I believe you can undo the update with ctrl+z