From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.9) Gecko/20020310 BuildID: 2002031008 Sidebar will not stay shown in mail/news after it is exited. Reproducible: Always Steps to Reproduce: 1.Show sidebar in mail/news 2.exit mail/news 3.reopen mail/news 4.note no sidebar Actual Results: Sidebar is not there Expected Results: Sidebar is there as it was before Currently with my setup, I only have the address book showing in the sidebar in mail/news. I've tried having the sidbar shown in the browser and then try the above steps, but it still wont work. This has been broken in every build that I've tried over the last 2 weeks or so.

*** This bug has been marked as a duplicate of 121215 ***

Verified duplicate.