It is evident that Bitcoin Core developers would like nothing more than to activate Segregated Witness on the network. Unfortunately, they are facing a lot of opposition from the mining community. A new plan has been put in place to give SegWit another fighting chance if the “traditional” means of activating this solution fails. BIP149 provides another way to activate the software, assuming the user-activated soft fork doesn’t do so first. Time to take a closer look at what BIP149 has to offer.
Read more here: https://themerkle.com/what-is-bip149/