重新安装浏览器，用着用着想起还有你没有安装 哈哈 很依赖了。和Tree Style Tab这个插件起冲突了。两者选一我还是选你了

Simple, great add-on. I use Vivaldi as my daily driver, and this is a feature, it should be in Firefox too.

Your addon after update was deleted./Twój dodatek po aktualizacji został usunięty.

many thanks

thanx for pointing to the procedure in quantum