Not a UK resident so never looking for ex UK flights. Hence my unfamiliarity as I fares bought exEU have very good flexibility. €350 + fare difference. I never realised you guys were having such a hard time in the UK.

It wasn't that long ago that several airlines limited upgrades from lower booking classes to/from Y+ or J. In the constant stream of enhancements it was not unreasonable to think BA had followed suit.

Pardon my confusion. I did search, but did not find. Better to stick to circular debates about carryons in the case of emergencies or comparing BA F to other airlines.