User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:2.0b9) Gecko/20100101 Firefox/4.0b9 Build Identifier: Mozilla/5.0 (Windows NT 5.1; rv:2.0b9) Gecko/20100101 Firefox/4.0b9 If you try to drag & drop an App Tab from one Firefox window to another, then the App Tab will transform into a classic tab. Not sure it's a bug but this behavior seems a bit strange. Reproducible: Always
Thanks for the report but this is a known issue.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 8 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 579482
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