Changes
* A bug in handling NULL values for properties of type double and having a unit was fixed. Clients will receive null values (for empty properties) instead of "0.0" now.
* Solved a concurrency issue when several clients created new objects under the same owner.
* Solved a bug when creating new instance of system relations: Relaton Data instances ended up without a connection to their inheritance owner.
= 2.4.4 =
=== New features ===
* UBIK supports a new Classificatoin for Map Overlays: [[SYSCLS_MAPOVERLAY]].
=== Bugfixes ===
* Solved a bug when creating new instance of system relations: Relaton Data instances ended up without a connection to their inheritance owner.
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