Unity 4.5.2 Update Available

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Unity Engine

Unity 4.5.2 Released

Unity Technologies recently released Unity 4.5.2, which contains some bugfixes.

Bug Fixes

  • 2D : SpriteRenderers with a negative scale can now batch together with SpriteRenderers with a positive scale.
  • 2D : Sprite references will not break if sprites are renamed or deleted using the Sprite Editor.
  • Android : Fixed the build failure on latest Android SDK (v23)
  • Android : Switched to UTF encoding for compiling java resource files
  • Asset Management : Assets referenced by GUIStyle are no longer incorrectly collected by UnloadUnusedAssets
  • AI : NavMesh carving obstacles are spatially sorted for robustness.
  • Asset Import : Autodesk Maya 2015 not supported, MEL scripts need to be updated
  • Audio : Fixed regression with AudioClips that are flagged as streaming
  • Core : Added AssetBundle.CreateFromMemoryImmediate, to create AssetBundles from a byte array synchronously.
  • Core : Asset Bundle Export performance increase
  • Documentation : Updated documentation based on user feedback and minor bugs found
  • Documentation : Add a section on script serialization and serialization in general.
  • Documentation : Array doesn’t display methods twice anymore
  • Documentation : Fixed documentation layout on mobile browsers (as well as small doc improvements)
  • Editor : Fixed issue with prefabs not maintaining new position if moved in hierarchy.
  • Editor : Added preference setting to enable alphabetical hierarchy sorting.
  • Editor : Fixed performance issues with large & flat scene hierarchies (new hierarchy window in 4.5 was slower on them).
  • Editor : Fixed issue with object Transform being set to the origin when Prefab was dropped into hierarchy window.
  • Editor : Killed annoying cmd windows that was popping up during android deployment
  • Editor : Fixed Asset Store window showing up blank in DirectX 11 mode on some laptop graphics cards
  • Editor : Don’t show any blinking cmd windows while launching the dab server
  • Editor : Fixed erroneous “Mismatched serialization in the builtin class ‘Mesh'” errors when loading meshes imported with Unity 3.5.0.
  • Editor : Fixed security issues when trying to set Android SDK location under non-admin account
  • Editor : Fixed console not having a scroll bar for error detail
  • Graphics : Fixed light matrix (_LightMatrix0) not always being set to shaders in deferred lighting.
  • Graphics : Fixed Camera’s Depth & DepthNormals textures sometimes using the wrong filtering mode.
  • Graphics : Fixed light Halo not initially rendering, unless there is another Halo component in the scene.
  • Graphics : Particle Sub Emitter not playing after Pause()
  • Image Effects : Fixed CameraMotionBlurDX11 shader having a syntax error. Whoops!
  • Linux : Fixed regression in mouse look behavior.
  • Linux : Deploy more configuration metadata with standalone players
  • Mecanim : Fixed errors/crash when using Animator:GetCurrentAnimationClipState on layers
  • Mecanim : Fixed transitioning into empty state on a synced layer.
  • Mecanim: Fixed transition to self speed during AnyState transition.
  • Mecanim : Improved performance of activating the Animator.
  • Mecanim : Improved memory usage per instance.
  • Physics 2D : Display a warning against a 2D collider when it is unable to create a Box2D collision shape due to it not meeting Box2D constraints.
  • Physics 2D : Only update 2D rigid-body position and/or rotation as transform position/rotation changes respectively.
  • Physics 2D : Stop a crash when removing 2D rigid-body during a collision callback.
  • Physics 2D : Add missing “distance” property to RaycastHit2D.
  • Physics 2D : Ensure that reference angle is maintained for both HingeJoint2D and SliderJoint2D when a component change occurs.
  • Physics 2D : Fix occasional crash when unloading scenes with lots of 2D static colliders.
  • Physics 2D : Stop 2D colliders from being generated twice upon start-up.
  • Physics 2D : Fix how rotational inertia and centre-of-mass is calculated.
  • Rendering-Other : Clear back-buffer after resolution change on Windows.
  • Rendering-Other : Fixed GLES3 shader compiling failure on non-const global initialization. Note that this has been fixed only for Android in this patch.
  • Scripting : Fixed Socket.ExclusiveAddressUse using UDP to work on Linux
  • Scripting : Fixed support for serializing array of generic types
  • Scripting : Fixed step-out in debugger behaving as continue in some scenarios.
  • Scripting : Reduce spam from serialization depth warning to a single warning.
  • Scripting : Fixed double-clicking a C# script will open MonoDevelop instead of Visual Studio.
  • Serialization : Fixed GraphicsSettings reset on project open if using text serialization mode.
  • Shaders : Fixed preprocessor regressions in HLSL-to-GLSL translation (token pasting, macros with line continuations, other complex macros).
  • Shaders : Fixed surface shader regression with multiple spaces between “pragma” and “surface”.
  • Shaders: Fixed GLES3 shader compiling failure on non-const global initialization.
  • Substance : Fix rare semaphore-related error message.
  • Substance : Fix rare hangs/crashes when building user projects.
  • Substance : Decrease memory footprint after initial scene load
  • Substance : Fixed potential crash when baking ProceduralTextures to compressed formats
  • Webplugin : Fixed a crash where decompression threads were still working, even though the plugin was being closed.
  • Windows Phone 8/ Windows Store Apps : Fixed small memory leak in animation system.
  • Windows Phone 8/ Windows Store Apps : Fixed animating camera and 2D sprite properties.
  • Windows Phone 8/ Windows Store Apps : Unity will now properly post-process .winmd files.
  • Windows Phone 8/ Windows Store Apps : Unity will properly fix InternalsVisibleToAttribute on post-processing.
  • Windows Phone 8/ Windows Store Apps : Fixed MonoBehaviour serialization when SerializableAttribute is not specified in base classes.
  • Windows Phone 8/ Windows Store Apps : Unity will now correctly recognize System.Nullable <-> Windows.Foundation.IReference type alias when checking for unavailable APIs
  • Windows Phone 8/ Windows Store Apps : Shader depth bias (Offset) will now correctly work on DX11 feature level 9.x.
  • Windows Store Apps : Unity C# projects can be rebuilt multiple times without file copying errors.
  • Windows Store Apps : Fixed NullReferenceException when building with SDK 8.0

The full list of changes can be found in the Release Notes.

Unity 4.5.2p1 Patch

Not long after the release, a patch was made available to hotfix 4.5.2.

Bug Fixes

  • (588344) Editor : The swatches in the Color Picker tool are now gamma corrected when using linear colour space
  • (601727) Terrain: Fixed an issue where the physics material assigned to a terrain object was not saved.
  • (577782) Editor : Fixed a hang on quit issue.
  • (585694) Editor : Fixed an issue where by editor froze when trying to quit it after importing a Maya file.

Get It

As always, the latest version of Unity can be downloaded for free. The patch can be downloaded from the Unity forum.

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