This has gotten some attention, especially about a week ago, but I really hope more people will continue to try it and, if interested, support it. It is Firefox, but heavily modified to please a different audience that prefers a slightly different UI than Firefox. It has some of the appeal of Arc, Vivaldi, and the Sidebery extension.
In my view, it is very promising, and all competition in this space is good. Here it is on Github, also.
You really shouldn’t be using software that is in alpha stage of development, as the only browser.
There may be bugs and vulnerabilities no one has run into yet and bork your browser data.
Oh no not my data!
arrest me