Originally Posted by
AKBasqUkr
However, she thought that the 10 kg limit would still be in place. Go figure, we'll find out tomorrow.
That was never in doubt; you don't get the BA generous (2 * 23kg) carry-on allowance on any other airline, even when connecting to/from BA flights where they are the "most significant carrier".
And on all connecting itineraries, you get the carry-on allowance.