this segwit2x is new software.bitcoin communitymay see the protocol Segregated Witness Segwit activated as the mining community has begun to signal BIP91. The proposal BIP91 is a combination of Segwit2x and BIP148. The version 1.14.4 code has been pushed to the repository by the Segwit2x working group, and a few mining pools have already started running the protocol. this is new one so we have to see it.