The Commands page of the site has been updated, many of the changes were just to tidy it up and include some variants however some commands have been removed and some new ones have been added, here's a brief summary of the changes:
/stack - has been officially added.
/hat - has been added for Member rank or above.
Most /region commands have been removed for VIPs, all the Protection Stones equivalent commands can now be used for your VIP region instead which are far simpler and easier to remember.
There have been significant changes to the flags available for players to set on their regions, these changes affect all ranks.
For more details check out the Commands page!