I that's it as far as new destinations in China are concerned.
On a more positive note since CTU launched, BA has gone double daily to PVG and Iberia has also launched MAD-PVG. BA also does have a codeshare arrangement with China Eastern so, overall, at an IAG level, its coverage of China has improved.
Chinese long haul secondary city air routes: BA's Chengdu exit does not reflect the broader market | CAPA - Centre for Aviation
If/when Finnair joins IAG then coverage will improve further.
As for MSY, I'm sure it will be quite a success. No doubt more 787 transatlantic routes will come as so many US cities seem to be lobbying BA hard for new routes:
British Airways to connect London, New Orleans with nonstop flights | NOLA.com