• Remove a patch that is no longer needed
• Change an instance of Firefox to Thunderbird [1]
• Workaround a potential crash with JavaScript pop-ups [2]
• Use Xvfb to initialize the extensions datastore as root

[2] https://bugzilla.mozilla.org/show_bug.cgi?id=264557

Sbumitted by: Radek Kozlowski <radek@raadradd.com> [1]