User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.2) Gecko/20090803 Fedora/3.5.2-2.fc11 Firefox/3.5.2 Build Identifier: 3.0b3 If you have filled in your Personal addressbook with secondary addresses (ie you know people who have more than one email address - eg home and work), then when composing an email, you should be able to autocomplete from any address associated with them - not just their primary address. Reproducible: Always Steps to Reproduce: 1.compose email 2.start typing the beginning of their secondary email address 3. Actual Results: no autocompletion occurs Expected Results: TB should scan the Addressbooks and see that the string matches secondary addresses just as easily as primary addresses I'm sure this worked under TB2?