From the 777 FCTM:

Leaving the MDA(H), be prepared to disengage the autopilot in accordance with
regulatory requirements. Turn both F/Ds OFF, then place the PM’s F/D ON. This
eliminates unwanted commands for the PF and allows continued F/D guidance for
the PM in the event of a go-around when pitch or roll mode is changed. Complete
the landing.

What could possibly go wrong huh?

B787 FCTM,verbatim

We all know from the 737's long history of rubbish cabin alt warnings that Boeing are loath to change procedures after accidents or incidents due to worries about a change being seen as an admission of liability.

My airline trains both on or both off at command of the PF.

In the event of a go around, they teach and we brief:

Positive rate - gear up, flight directors on