It appears they like to keep it in early access forever?
Do you know reason?
I just finished talking to one of their staff and he/she mentioned that it'll go to the next phase in the very near future
[regardless of the time it has taken so far, a polished app is way better than using an unstable one]:
Btw, you might want to edit the subject field (Samourai) [it could lead to a phishing website in the future]!