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Substance: SubstanceImporter.ExportBitmaps is now public.Substance: Substance textures cached to disk/flash are now LZ4-compressed, old caches are discarded.SceneManagement: Added SceneManager.UnloadScene(Scene) making it easier to unload a scene if you already have a reference to it.RuntimeInitializeOnLoad now fires more consistently when entering playmode in the Editor and playing at Runtime. This is useful when running in single-player or offline mode, but as a Network Host. Networking: Added dontListen flag to NetworkServer.Networking: Added a warning for NetworkIdentity on child game objects.JsonUtility: Serialize Color32 fields as separate RGBA values instead of a binary blob.iOS: Use new Game Center APIs when possible.IL2CPP: Added support for the MethodImplOptions.NoInlining option to prevent methods in the generated C++ code from being inlined.Graphics: Added client/worker multithreaded rendering support to OS X Metal.This is mostly visible when using deferred rendering. Graphics: Optimized performance of setting up shader blend/depth/raster/stencil states.All VR Players are now forced to Run in the background. VR: Added support for VR Application Focus.Analytics: Added support for fetching GoogleAdsId via new API RequestAdvertisingIdentifierAsync.
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