TBD (status page link)
* {{bug|669999}} - Add a library for parsing and consuming source map files to Firefox
* {{bug|670002}} - Use source maps in the web console
* [https://bugzilla.mozilla.org/show_bug.cgi?id=568142 Bug 568142: Expand source notes to carry column information] - Bug to add line/col information to be available to debuggers.