When using rulers, they are displayed in the bottom console too. I don't think that should be the case.

I use the the OS X automator plugin UnicodeIt in order to allow me to type LaTeX amsmath macros to produce unicode characters that are difficult to type otherwise. Attempting to produce a character which uses a combining diacritic (e.g. an accent) in Sublime Text does not work correctly: for instance converting

\overline{\epsilon}

which should produce ε̅ instead produces:

This problem is not actually caused by UnicodeIt as far as I can tell, as attempting to paste any of the characters with combining diacritics from this test page causes the same issue. Pasting these characters into a terminal, or TextEdit, produces the desired result:

I think this is related to this forum post on display of accents on greek characters in tab titles - the rendering problem looks the same, where the diacritic is separated from the character it is intended to combine with. I notice that if I create a file named ε̅.txt and open it with sublime text, it renders correctly in the tab title:

I am using Version 2.0.1, build 2217.

I wasn't able to track down a nodejs auto completion module. The only node.js textmate bundle I found doesn't have a .tmLanguage