I wonder if QR will install Starlink in its narrowbody planes--those will be a game changer, especially since they fly all over the place including Europe.
Yes, QR will receive their A321s soon, but the current A320s are barely reaching their mid-life, so they have plenty of years left in them.
As for the A380s they tend to be odd-ball planes assigned randomly to different destinations, where the classic destinations of LHR, CGD, SYD, BKK and then you have randomly SIN and more fights to BKK. To me, I feel QR will retire them sooner than later once more A350-1000s arrive.