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A comment on All extensions disabled due to expiration of intermediate signing cert. Parent comment

Re:All extensions disabled due to expiration of intermediate... by minetest2048 on Friday May 03, 2019 @10:17PM (#19823913)
Talking about vertical tabs, I was in the middle of studying for an upcoming exam, then when I alt-tabbed back into Firefox, all of my tabs are missing with that unsupported addon error. Fortunately refreshing Firefox gave me back normal tabs, at a cost of uninstalling all of my addons.

The problem is that Tree Style Tabs relies on userchrome.css edit to hide the tab bar, and when TST is forcibly removed there is no way to access the tabs, because that edited userchrome.css is still there. This is very disruptive. At least with the pre WebExtension addon TST itself hides the tab bar, so if TST is removed then the original tab bar comes back on automatically

[ Parent | on HN ]
Re:All extensions disabled due to expiration of intermediate... by frosted-flakes on Friday May 03, 2019 @10:27PM (#19823951)
I have it set up so that the tab bar is only displayed if the menu bar is visible, and I can use the Alt key to toggle them together.

https://github.com/eoger/tabcenter-redux/wiki/Custom-CSS-Twe...

  #toolbar-menubar[inactive="true"] + #TabsToolbar {
    visibility: collapse !important;
  }
[ Parent | on HN ]