This is a hotfix update that addresses a few bugs in previous 2.5.14 release.
2.5.15 Changelog
Code (Text):
* Fix subdivisions not being able to be created.
* Fix resize issues due to new unclaimable feature.
* (Hybrid) Fix CME during GroupDataCalculateEvent.
* The 'unclaimable-block-radius' feature will now only check in wilderness. It no longer affects children claims.
* New setting 'unclaimable-allow-trust' has been added to control whether trusted users are affected by the 'unclaimable-block-radius' feature in wilderness.