It all depends on this new update. Upgrading 9.3.3 to 12.2 is like upgrading a 1918 Ford model T to 2018 Tesla.
Big words. I hope so. But how do you know? Are you one of the devs?
I don't have to be a dev to know a difference between 1918 Ford model T and 2018 Tesla.
Here is the link for the test version so you can build it and see for yourself:
https://github.com/chaincoin/chaincoin/commits/0.12.XJust don't do it on the same machine where you have current CHC version installed since this is still experimental version.