For the best part of a year now, if I withdraw before around 3:30-4pm, it'll hit my account by around 6-6:30pm that evening.

The past couple of weeks, there have been a bunch of occasions where it's taken an additional 24 hours for a withdrawal to hit that same account.

I wonder if PP are deliberately slowing the regular withdrawal to try to up-sell this fast withdrawal option? I personally haven't seen it offered in my PP account, and the feature doesn't interest me anyway.