Over the last few days (since the last update?) the toolbar button keeps disappearing. I can get it back by enabling and disabling NoScript but it goes again soon after.
I'm on FF 76.0.1 64 bit on Windows 10
toolbar button disappears
toolbar button disappears
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0
Re: toolbar button disappears
This has sorted itself with the latest FF update to 77.0.1
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0