Mozilla Firefox 46.0.1 is here to fix various bugs and security issues that have been either reported by users since Firefox 46.0 or discovered by Mozilla’s skilfull developers. Among these, we can mention better support for various locales in the search plugin, and improvements to the add-on signing certificate expiration. Moreover, an issue with the service worker has been fixed, a build issue that occurred when the JavaScript JIT (Just In Time) compiler was disabled has been addressed, and page loading issue reported by users because of certain antivirus software were fixed as well. Lastly, Mozilla Firefox 46.0.1 limits Sync registration updates.