It looks to me like there will be a replacement as the development progress has slowed to a crawl. Not to mention Diffie-Hellman elliptic Curve25519 is considered not safe.
I no longer trust the constants. I believe the NSA has manipulated them through their relationships with industry
Bruce Schneier
Should I continue?
This is exactly backwards. Schneier was referring to the constants of the NIST curves. Curve25519 is
not a NIST curve, which is precisely why it's been very popular among cryptographers in recent years.