They allude it at the end by talking about faster iteration but the real, legitimate reason to fork Helix is that it is essentially inactive at this point
Yeah, and these features are very needed. People have been asking for a new release for half a year. There haven't been a lot of changes in the past 8 months, majority of them are grammar and theme updates.
BTW, if you compile helix from the main branch, source code indentation will be broken.