They are not visible in the addons manager. I've reinstalled most of them in the meantime because I needed them, but they were present in the addons.sqlite file. For those that I didn't reinstall yet, they are not listed under "Extensions" on "about:support". They have also been removed from the extensions subdir of the profile, as a cursory look indicates, but are (were?) still present in addons.sqlite.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to thunderbird in Ubuntu. https://bugs.launchpad.net/bugs/861664 Title: Upgrading Firefox/Thunderbird when an add-on update is waiting to be installed hides the add-on Status in The Mozilla Firefox Browser: Fix Released Status in “firefox” package in Ubuntu: Fix Released Status in “thunderbird” package in Ubuntu: Fix Released Status in “firefox” source package in Oneiric: Fix Released Status in “thunderbird” source package in Oneiric: Fix Released Bug description: This affects users by temporarily hiding their addon until another addon update/install prompts the addon manifest to be rebuilt. To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/861664/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
