About 20-30min ago, new pages suddenly started rendering in 'Modern Dark' theme rather than Classic, with no apparent cause (I was refreshing the 'Problems loading pages' thread). I'll continue poking around to see if I can find the setting to change it back.
ETA: (seems to be) OK now, needed to scroll down on the 'Preferences for Listings Pages' to see the controls - I was expecting a drop-down menu. Still no idea what caused the change, which happened just before 26/04/2025, 11:27:24 ( PlaysWithWires reply in the 'Problems loading pages' thread ).