Function: Detect a change in post type status, and initiate an activity update if necessary.

Function: Should we use Heartbeat to refresh activities?

Function: Fetch an activity item’s cached embeds.

Function: Set an activity item’s embed cache.

Function: When a user clicks on a “Read More” item, make sure embeds are correctly parsed and shown for the expanded content.

Function: Clean up ’embed_post_id’ filter after comment recursion.

Function: Cache full oEmbed response from oEmbed.

Function: Set up activity oEmbed cache while recursing through activity comments.

Function: Set up activity oEmbed cache during the activity loop.