Before opening a new issue, please be sure to check out list of already open issues here so we can prevent having duplicates. Extension is mainly developed in Windows version of Brackets but should work on Mac and Linux too. Fixing OS specific errors if they appear might take more time though.
Always try to get as much relevant information from Brackets console (F12) as possible.
This extension is developed in Brackets and pull requests always need to avoid any JSLint/JSHint errors. Feel free to modify /*jslint settings in the particular file if needed. Please check for errors before opening any pull requests.