想做遊戲但不知從哪開始，Unity能幫你什麼

What's new in this version:

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 serialisation and serialisation 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 serialisation 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.
- Graphia's 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 behaviour.
- 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.
- MecanimFixed 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 initialisation. 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 serialising array of generic types
- Scripting Fixed step-out in debugger behaving as continue in some scenarios.
- Scripting Reduce spam from serialisation 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 serialisation 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".
- ShadersFixed GLES3 shader compiling failure on non-const global initialisation.
- 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 serialisation when SerializableAttribute is not specified in base classes.
- Windows Phone 8/ Windows Store Apps Unity will now correctly recognise 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

Known Issues

- Android Continue to look for JDK if JAVA_HOME points to too old JDK
- Graphics Shader error when building and playing Bootcamp project on Windows XP.
- Scripting Double-clicking a C# script will open MonoDevelop instead of Visual Studio.
- If Visual Studio is already open with another project, it will still fail. However, it will work when Visual Studio is closed.