I use it all the time and have for years. Just seems like a weird feature to lock behind about.config and say it’s not supported while they still support things like Pocket.
I use it all the time and have for years. Just seems like a weird feature to lock behind about.config and say it’s not supported while they still support things like Pocket.
Search for “compact” in about:config
Then on the “edit toolbar” page, bottom left, a new “UI density” appears and you can choose it.