My other character is Renown 11 and has had a few WQs with ilevel 148 gear up for a few days. I was holding off on them trying to see if/when they would scale up. No luck. Finally went and did them last night, and when I flew into Revendrath they all suddenly changed to ilevel 155. I got the drop from the WQ there and it was 155, but when I flew back to Maldraxxus the remaining WQs suddenly listed at 148 again and the gear they dropped was 148.