Prevent installation of XPIs on about:addons via drag/drop.
Mark the CCK2 and generated XPIs as multiprocess compatible.
Remove an unused function.
Make sure we have no bad characters in the config name.
Don't use sync XHR to fix self signed certificates (caused hangs at startup).
Remove duplicate bookmarks if they match is exactly
Add an option to remove duplicate bookmarks if only the name matches
Add support for required addons - addons that can't be disabled or removed.
Workaround bugzilla 1338154 by always prefixing the resource path.
Turn off upgrade page.
Ignore errors when we try to turn off crash reporter.
Add support for using Hidden UI to hide elements on network error pages.
Add support for hiding about:profiles and about:support.
Use sync XHR for cert overrides so they work properly.
Check for duplicate bookmarks before adding.
Fixed a problem where folders couldn't be created (Regression from fixing bookmark URLs).
Made it so that even if a CCK2 package is somehow installed over itself, it deletes its own bookmarks so you don't get duplicate bookmarks.
This version contains the following things:
Hide the Start Conversation menu for Hello
Allow hiddenUI to work in the sidebar
Use a stylesheet for hiding add-ons in about:addons so it works more consistently
Add support for removing built in search engines
Add a deprecation message for server certificates
Add support for copying files from the default/profiles directory on Firefox 46+
A few changes for Firefox 48 compatibility