We often find that if we change the official layout of a page (e.g. adding a new tab to the Shot detail page, or a new column to a list view) the users don't realise this, and start asking "where's that new column you added?" - they need to explicitly click "Revert page" to get back the official layout. It would be good if there could be a big "THE OFFICIAL PAGE LAYOUT HAS CHANGED" sign at the top alerting them to this.
Official Layout Changed notification