They are watching https://coin.dance/blocks statistics, we are 1826 Blocks away from Segregated Witness activation. BIP 141 locked in.
Unstoppable in regard that we now got everything. A fork of sorts happened. Segwit happens. Bigger blocks are out there as a great field experiment. More blocksize adjustments pending, but might arrive too.
And nothing harmed bitcoin in any way (besides the troublesome discussions sometimes).

Next year 2018 my forecast would be: Only one part of the above made it onto the pole position. The other concepts had to stay second place. I dont dare to guess which one ends up first.