After having removed some of my (many) tab groups, my problem with really bad performance was solved. Yesterday I did the following: I started Firefox I right-clicked a tab and wanted to move it to ...
I had about 200 tabs open in about 15 tab groups. Needless to say, Firefox wasn't lightning fast (even with the "don't load tabs until selected" option checked). The solution that dramatically ...
I have several tab groups (~ 20) in Firefox. I can start the browser without any problems. However, as soon as I … click at the "Group tabs" icon in the toolbar, or right-click on a tab and hover ...