version 4.0.1 for FF screwed a lot for me

Every time FF gets an update tons of add-on stop working and need to be MANUALLY updated to work again. I am starting to hate FF for that a lot now.

Now even the Xnotifier doesn't work after being updated to this all new fancy version.

1. advanced options tab is completely missing and those options are not available even through about:config, they're gone

2. right-clicking the icon to bring up the list of accounts is not functioning now and left-click will do that instead of opening the default mailbox

3. After setting up three of my accounts manually one of them worked once and never since, the second never opens (those are just spinning and spining forever more, no message, no nothing, no option to get in the mailbox. Credentials are correct.

How can you go full scale release and override perfectly fine design with this unfinished buggy alpha version?

Oh and the one account that works? Once clicked it opens actually the default account (while the default account entry won't) and once clicked second time it actually opens the right account.

Nice way to ask for help... "unfinished buggy alpha version".

Big changes in FF... means big change in X-N.

Did you try uninstalling and reinstalling?