What changed: Country and Region service operations now enforce the virtual instance (company) scope during permission checks.
Why: Previously a user holding the MANAGE_COUNTRIES permission on one virtual instance could modify or delete countries and regions belonging to other instances through crafted API requests. The permission was validated but the record's scope was not.
Who is affected: Multi-instance deployments where non-Omniadmin users hold country and region management permissions.
How to update: Apply the patched release. After the upgrade these operations are limited to the user's own instance. Any process that relied on cross-instance country or region changes must be reworked to run per-instance, or under an Omniadmin context.