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Migration from v5.1 to v5.2
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* Some method signatures have evolved. Essentially in Scalable Server callbacks you will find new parameters to add.

* `InterfaceSkin <skinuserinterface.html>`_: if you have provided your own InterfaceSkin asset, you will have to reference new prefabs. You may use the prefabs used in InterfaceDefaultSkin.asset.
    * Toaster Prefab
    * Validated Account Popup Prefab

* `CommunityHubSkin <communityhub.html#skinning>`_: if you have provided your own CommunityHubSkin asset, you will have to reference new prefabs and sprites. You may use the prefabs used in CommunityHubDefaultSkin.asset.
    * Console Content Prefabs
    * Console Content Icons
    * Online Command Room Content Prefabs
    * Online Command Room Content Icons
    * Scalable Server Log Content Prefabs
    * Scalable Server Log Content Icons
    * Analytics Log Content Prefabs
    * Analytics Log Content Icons

* `CoreApplication <coreapplication.html>`_: you may want to reference a CoreApplicationData asset if you want to use `InfrastructureStatusMonitor <infrastructurestatusmonitor.html>`_ service.

* `CoreApplicationDelegate <coreapplication.html#extending-with-your-own-elements>`_: you may want to reference a DebugToolsParameters asset if you want to use `debug tools <debugtools.html>`_.