In order to expedite this as much as possible, p2pool.org is now running this code on Mainnet, cuurently downloading the share chain.
I posted the
segwit PR in November last year. Jtoomim has now included it without modifications (except for the version number change) in his 1MB fork. It has been running on
vertcoin for months with great success.
Why are you testing jtoomim's fork now when the exact same code has been available since last year?