It sometimes loses what I've just typed. I use it mostly for the specific task of annotating comments on a board post, so refreshing the page often is necessary. At the moment, if I type a sentence or two and refresh the page, it's a bit of a crap-shoot as to whether it will be saved or not.

It would also be nice if it had some basic formatting functionality. Perhaps markdown would be an option? I'd certainly add another star if it got that.