On 7/3/2011 11:59 PM, Steven Stern wrote: > Just FYI, I downloaded Thunderbird 5 from Mozilla.com into ~/bin and > it's working just fine on F15. Unfortunately, not all Thunderbird > extensions are supporting the new version. Use this extension "Add-on Compatibility Reporter 0.8.5" <https://addons.mozilla.org/en-US/thunderbird/addon/add-on-compatibility-reporter/> -- David