Looks like the Adelaide change (787-10) starts a lot sooner than March 31st.  I've been changed to it in December this year.  Will be 2 x flights several days a week now.  The A350 will be a morning flight now with the 787-10 taking the A350's current evening/overnight slot.

The website has been a shambles since (at least) yesterday.  Those 500 errors are beyond annoying.  Having said that, I did manage to get a couple of business class rewards seats to Singapore (seats which were nowhere to be seen before today).  Plenty of pressing back, then refresh...