User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0 Build ID: 20180329154119 Steps to reproduce: Add-ons name often won't show up on the menu. For this reason, I can't often change my add-on setting for that specific page. For example, I'm trying out uMatrix. If a page doesn't load properly, I need to access uMatrix for that page to change loading elements but often it won't be there. I mean not just uMatrix. No other add-ons won't be there on the menu. The only way in my case to fix this is to Force Stop the app. Then they appear again. It happens on a regular basis. Check the attached image.
Status: UNCONFIRMED → RESOLVED
Closed: Last year
Resolution: --- → DUPLICATE
Duplicate of bug: 1414084
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