User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b4pre) Gecko/20100805 Minefield/4.0b4pre Build Identifier: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b4pre) Gecko/20100805 Minefield/4.0b4pre When you have two or more app tabs pinned than after going to Private Browsing and getting back, the firs two app tabs are overlapping. Reproducible: Always Steps to Reproduce: 1. Make two or more app tabs. 2. Go to Private Browsing mode. 3. Get back from Private Browsing mode. Actual Results: First two app tabs overlapping. Expected Results: They should not be overlapping.
Yep, I've seen this too. --> CONFIRMED