BuddyPress.org

Hi folks,
(sorry only noticed yesterday this went into wrong forum section – would edit but clicking that option put me back on the home page?)
Could someone tell me if there is a delay or check system in posts to groups within Buddypress or what would cause intermittent delays.

Scenario:
Posted group updates for the past hour from 3 accounts intermittently. For the first hour the only posts visible on each users group activity view was their own posts (and any historical from last month).

Then after 45- 60 minutes all posts became visible (i.e. expected behaviour) and all new posts posted after that point were visible.

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I can’t see how there would be a delay and then no delay, the activity feed I used was the base code with all customizations removed. I’m at a loss to figure it out and it’s so strange I’m doubting myself but this isn’t the first time this has happened (hence the testing that revealed this anomoly).