I'm not an expert of bitcoin but look likes very necessary to do the fork.
if you are not an expert how do you know "it is necessary to fork"?!!~ to buy some time for a proper decision,~
then i guess you haven't heard the word: https://bitcointalk.org/index.php?topic=1833761.0
https://www.youtube.com/watch?v=2WNrx2jq184
