Sorry for the delay - this work is on our active list of work. Unfortunately, we are struggling through some winter illness at the moment which is why I'm jumping in to reply for the lead who's out at present unwell.
Once he's back on board, I'll have him provide an update on the progress. As I understand it, the issue has been reproduced and an approach has been planned for the resolution.
Appreciate the patience, sorry to have you chasing up.