User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 Build ID: 20170323105023 Steps to reproduce: 1. double click a message to enter full screen mode 2. press key B to display the previous message btw, I entered 45 branch but I'm not sure if that is correct. The release version is 45.8.0 though, hence 45 branch. Actual results: nothing Expected results: I would like to have seen the previous message :)
works for me using 52.0b4. please test in safe mode https://support.mozilla.org/t5/Troubleshooting/Safe-Mode-Thunderbird/ta-p/14020
After Wayne's comment, I drilled down on the add-ons. It was caused by the Conversations add-on.
Thanks for letting us know.
Status: UNCONFIRMED → RESOLVED
Last Resolved: a year ago
Resolution: --- → INVALID
Whiteboard: [add-on: Conversations]
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