A new Bitcoin improvement protocol (BIP) has surfaced from the Core mailing list which includes Barry Silbert’s scaling solution.

The yet unnumbered BIP proposes a user-activated soft fork (UASF) August 1, as was included in BIP148, with a two-megabyte hard fork locking in six months later.

https://cointelegraph.com/news/bitcoin-segwit-activation-august-1-new-bitcoin-improvement-protocol