Unity 5.5.4

Select the runtime platforms of your choice from the list below (the desktop runtime is included as standard) or, to install the full complement of runtime platforms, use the download assistant installer above.
New to Unity? Get started


  • Added support for the 5th generation iPad.
  • AssetBundles: Reduced SerializedFile memory usage when reading streams inside AssetBundles.
  • Build Pipeline: Exceptions thrown during the build process (e.g. by user callbacks) are now treated the same as logged errors, from a reporting and StrictMode point of view.
  • Graphics: Added function to allow cube map textures to be compressed from script like their Texture2D counterparts
  • Networking: Added a timeout property to UnityWebRequest. This gives coarse grain control over timeouts for webrequests. (900900)
  • Unity Ads: Updated native binaries to 2.1.0
  • VR: Updated Oculus to version 1.14.


  • VR: You can enable GPU skinning for Android VR. This is experimental, and you should verify behavior and performance on the target devices.


  • 2D: Fixed an issue with texture compressions when using SpritePacking with '[TIGHT]' texture packing and high quality compression. (871871)
  • Android: AndroidJava returns null instead of throwing exceptions on functions which return an object, class or array. (839005)
  • Android: Disabled Debug markers on PowerVR Series 5 devices. (780958)
  • Android: Fixed a rare crash on application exit due to UnityWebStreams not getting cleaned up properly. (867508)
  • Android: Fixed an issue where a Unity application could stop responding after starting a screen recording. (833158)
  • Android: Fixed an unnecessary internet permission requirement in empty projects. (892203)
  • Android: Fixed Android application building with the latest Android SDK. (888859)
  • Android: Fixed Ctrl+B shortcut pushing app package even if it failed to build. (894074)
  • Android: Fixed manifest merging with new Android SDK tools. (898978)
  • Android: Fixed use of presentation display. (852582)
  • Android: Fixed WebCamTexture crash with denied permissions. (877837)
  • Android: Fixed SoftInput input field being hidden under keyboard when translucent flag is set.
  • Android: Webcam - Fixed issue where the wrong orientation was returned on first frames. (875247)
  • Animation: Changing Animator.Speed during an animation transition now correctly affects the cross-fade speed. (898504)
  • Animation: Fixed a crash when activating/deactivating GameObject in the Animation Window. (886335)
  • Animation: Fixed a crash in PrepareFrame that occurred due to Animator being Deactivated in Script (896659)
  • Animation: Fixed IK on Feet not working properly when interrupting transitions. (892043)
  • Animation: Fixed incorrect animated color values when in linear color space. (893042)
  • Animation: Fixed the mesh distortions during animation if the "Optimize Game Objects" option was selected. (880724)
  • Animation: Improved build and AssetBundle data determinism for Human components.
  • Asset Pipeline: Fixed an issue when importing Assets with name changes that could cause a timestamp mismatch in the database. (896185)
  • AssetBundles: Fixed a performance regression when building many small AssetBundles. (849376)
  • Build Pipeline: Fixed AssetBundle statistics that are printed to the editor log when building AssetBundles. (890644)
  • Build Pipeline: Fixed issue with Scene AssetBundles that would cause multiple builds with the same Scene that generated different results. (895452)
  • Buildpipeline: Fixed an issue with reported texture size being smaller than actual size. (885258)
  • Cluster Rendering: VRPN works in Editor now.
  • Editor Analytics : Added fix to stop sending Editor analytics events when disabled from Unity preferences (Pro only).
  • Editor: Added fix to attempt to identify and use the Cancel option for dialogs that are launched on worker threads, because they can otherwise soft-lock or force-quit the Editor. (896794)
  • Editor: Fixed an issue that prevented the creation of GameObjects with a RectTransform component. (902580)
  • Editor: Fixed an issue where locking the Inspector on sub-Scene GameObjects caused their disappearance, coupled with a group of 'Failed to unpersist' error messages. (875845)
  • Editor: Fixed the issue where 'Build and Run' attempted to push a build to device even if an error was encountered during the build. (894074)
  • Editor: Fixed Xcode project; queueDebuggingEnabled is now included. (908965)
  • Fixed editor crashes when an error is made in a custom Deferred Shader. (869729)
  • Fixed Texture Importer to allow newly-imported Textures to have their AssetBundle name/variant set. (905640)
  • GI: Fixed a crash when creating reflection probes from OnWillRenderObject. (873206)
  • GI: Fixed lightmap texture inspector preview being too bright when using linear color space. (885492)
  • Graphics: Behavior of the VFACE semantic on DX12 is now consistent with the editor. (895474)
  • Graphics: Fixed buggy Android Adreno chipset frame buffer invalidation appearing as if rendering has frozen. (860724)
  • Graphics: Fixed a crash if Texture.GetPixels or Texture.SetPixels is used with invalid input parameters. (771031)
  • Graphics: Fixed a crash in GetBuildUsageTagFromAssets that was triggered by project that had ShaderVariants. (889138)
  • Graphics: Fixed a periodic crash in shadow culling job code (GenerateCombinedDynamicVisibleListJob). (882704)
  • Graphics: Fixed an editor crash on old OpenGL drivers. (888339)
  • Graphics: Fixed an issue on PS Vita causing the default sky to be black. (833583)
  • Graphics: Fixed clear artifacts on metal, if only the UI camera is used in the Scene. (909608)
  • Graphics: Fixed generating invalid raycasts causing "Invalid AABB b0" error appears in console. (884547)
  • Graphics: Fixed Render Texture not being cleared on stop for Windows. (884057)
  • Graphics: Fixed SceneView GUI elements being very bright when HDR and Linear mode were enabled. (878724)
  • Graphics: When graphics jobs are enabled, CommandBuffers are no longer executed multiple times upon LightEvent.AfterShadowMap. (880716)
  • IL2CPP: Added fix to allow more deeply nested generic recursion for method metadata. A managed exception is now thrown when the recursion is too deep. (889446)
  • IL2CPP: Applied a fix to prevent the following exception occurring during runtime for some projects: 'NotSupportedException: IL2CPP encountered a managed type which it cannot convert ahead-of-time. The type uses generic or array types which are nested beyond the maximum depth which can be converted'. (905659)
  • IL2CPP: Corrected an error in the byte code stripper which looked like this: "Member'' is declared in another module and needs to be imported. (894071)
  • IL2CPP: Corrected an error in UnusedBytecodeStripper2 which could occur in some projects: "Member 'System.Type' was declared in another module and needed to be imported.” (894071)
  • IL2CPP: Fixed memory snapshot profiler not showing multidimensional arrays. (888796)
  • IL2CPP: Implemented RegionInfo. (891471)
  • IL2CPP: Modify the implementation of the IL Switch opcode to workaround a possible C++ compiler bug in Xcode 8.3. (898861)
  • iOS: Fixed a crash that could occur in callbacks for Social.localUser.Authenticate when the error parameter was read. (868697)
  • iOS: Fixed framework search paths in Xcode project being incorrectly quoted if they contained spaces. (866673)
  • iOS: Fixed inclusion of ReplayKit framework in plugins. (882013)
  • iOS: Fixed some icons not getting copied into Xcode project when Target Device was set to iPhone Only. (888370)
  • iOS: Added fix so that local notifications are now cleared on iOS10. (885096)
  • Kernel: Fixed a crash when undoing a revert would cause components to be removed. (870498)
  • Kernel: Fixed an issue in JSON parsing that could cause a deserialized box collider to change size. (898787)
  • Lines: Reintroduced missing texture mapping mode, to restore pre-5.5 functionality. (903466)
  • Metal: Fixed unnecessary half to float casts in generated shaders. (898788)
  • Mono: Corrected the handling of C# compiler errors in a column that were more than 255 characters wide. (902758)
  • MonoDevelop: Applied fix to allow breakpoints to properly load in MonoDevelop in some situations where they did not load before. (889998)
  • Particles: Fixed an issue where scripted emission could fail to emit the correct number of particles. (892278)
  • Particles: Fixed an issue where sub-emitters with a constant seed would not be identical on each subsequent play. (882685)
  • Particles: Fixed scripted emission crash when using the Trigger Module. (893476)
  • Particles: Fixed sub-emitter crash when using Prefabs. (893838)
  • Particles: Applied fix so that skinning info is only used if it's valid when emitting from a skinned Mesh Renderer shape. (895898)
  • Particles: Reinstated random emission modes.
  • Physics 2D: Fixed a crash and infinite loop when triangulating Polygon2D. (880353, 891305, 905608)
  • Physics: Applied a fix so that Collider AABB gizmo is not drawn if it is attached to a Rigidbody2D with the 'simulated' property set to false. (843507)
  • Physics: Fixed Rigidbody2D interpolation losing precision with time.
  • Physics: Fixed an issue where infinite 2D raycast misses the edge of EdgeCollider2Ds. (895732)
  • Physics: Fixed issue where contacts between effectors are not correctly evaluated when effector collider masks are used. (901950)
  • Purchasing: Fixed an issue with Unity IAP emitting DuplicateTransaction failure for all non-consumable purchases when initialized. (889321)
  • Removed the extra call to CanvasRenderer.OnTransformChanged when the canvas is set to ScreenSpace.Camera render mode, and the Camera’s Transform is changed. (886258)
  • Scripting: Fixed parameter corruption and potential crashes for some delayed callbacks. (868697)
  • Shaders: Fixed a subtle metal shader generation bug in bit field insert operations.
  • Shaders: Fixed an incorrect translation from HLSL assembly for AND and OR operands. This fixes a crash when compiling shaders for GLCore. (883080)
  • Shaders: Fixed internal error on a GLSL shader compiling corner case. (881103)
  • Shaders: Fixed uint params on OpenGL. (893421)
  • SpeedTree: Fixed GPU instancing break when the trees come back into view. (883721)
  • Text: Fixed an issue where fonts created by script would fail to appear. (858645)
  • TextureImporter: Fixed a bug where the Texture Importer failed to detect the alpha channel properly in some types of PNG files. Please re-import the affected Assets to fix them. (891365)
  • UGUI: Fixed crash when reparenting inactive object. (898809)
  • UGUI: Fixed memory leak in UGUI.
  • Unity Ads: Prevent Unity Ads internal MonoBehaviours from showing in the inspector. (858540)
  • UnityWebRequest: Fixed a delay when the DNS could not resolve a given URL. (825679)
  • UnityWebRequest: Fixed a hang when using custom download handler script in the Unity Editor in Edit mode. (893302)
  • UnityWebRequest: Fixed getting Texture after a Scene reload. (884291)
  • UnityWebRequest: Fixed the nonReadable parameter working the opposite way in UnityWebRequest.GetTexture(). (876648)
  • VR: Fixed a potential crash when entering Play mode. (896314)
  • VR: Updated Oculus to version 1.13 and GearVR to version 1.13.1. Fixed plug-in loading issue in paths with non-ASCII characters.
  • Windows Store: Fixed a build error "Failed to resolve assembly: 'Windows.Foundation.UniversalApiContract, Version=, Culture=neutral, PublicKeyToken=null'"." which occurred when using default parameters of Windows Runtime types in method signatures and "C# projects" build option on .NET scripting backend. (884058)
  • Windows Store: Fixed a build error on .NET scripting backend when a method with name OnMouseDown was defined in a non-monobehaviour class. (869168)
  • Windows Store: Fixed a crash on certain devices in debug and release configurations when there was no internet connectivity (note: master configurations were unaffected). (855878)
  • Windows Store: Fixed a crash that could occur with D3D build type when the window is minimized or closed. (885964)
  • Windows Store: Fixed a crash when using SceneManager.UnloadSceneAsync on .NET scripting backend with .NET native enabled. (869407)
  • Windows Store: Fixed a rare build error "Failed to resolve assembly: 'System.Reflection.TypeExtensions, Version=, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'", which occurred on .NET scripting backend when using "C# projects" option. (885997)
  • Windows Store: Fixed a rare build error "Version not supported:", which occurred when using certain .winmd plugins and "C# projects" option on .NET scripting backend. (886049)
  • Windows Store: Fixed a System.TypeInitializationException on startup, which occurred with .NET scripting backend when a nested class was derived from a non-nested class and was overriding one of its methods. (872058)
  • Windows Store: Fixed an issue of not being able to switch to Windows Store platform when Windows 10 SDK is not installed. (890043)
  • Windows Store: Fixed non-alloc physics overlap functions causing a crash on .NET Scripting Backend. (888660)
  • Windows Store: Fixed Screen.SetResolution not accounting for DPI settings. (875849)
  • WWW: Fixed an issue where new WWW objects without internet connection did not set an Error field. (776552)

Revision: 8ffd0efd98b1


Third Party Notices

For more information please see our Open Source Software Licenses FAQ on the Unity Support Portal

Usamos cookies para brindarte la mejor experiencia en nuestro sitio web. Visita nuestra página de política de cookies si deseas más información.