"In order to support our continued growth, both in scale and global coverage, we are in the process of doing some cleanup and reorganization in the way the Programs, Locations, DX Entities, and Parks are stored in the database."
What this means to us in VE7-land is that our parks will now be called CA-nnnnn where they used to be called VE-nnnnn.
Our American friends will soon be changing their parks to US-nnnnn where they used to be called K-nnnnn.
Check out: https://docs.pota.app/docs/changes.html for more details.