After you enter email, it says you signed up for "Cloud beta", not Local beta, but it's the same thing (you get free access for both for now). There seem to be about 2 minute delay in e-mail delivery right now.
There's an issue with the History API, clicking from the posted link to another one on the navbar replaces the state instead of pushing it, making it impossible to go back
Seems I cannot install this Local version though...
> TabNine Local is unavailable because your CPU does not support FMA instructions.