Sightly OT: The main thing keeping me from switching away from Firefox is the lack of an extension-usable sidebar in Chromium, preventing a usable tree style ta

Sightly OT: The main thing keeping me from switching away from Firefox is the lack of an extension-usable sidebar in Chromium, preventing a usable tree style tab implementation. Chromium does have a sidebar displaying web content now (reading list/new side search feature), but they just won't let extensions use it.