Install this version with Unity Hub.
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.
Known Issues in 2019.3.14f1
2D: Entering / leaving Play mode results in long wait times when a specific prefab with Grid / Tilemap components is in the scene (1240640)
Animation: [macOS] Inconsistent crash in objc_msgSend/objc_retain when previewing Animations with Animator window open (1242026)
Asset Import Pipeline: Importing project freezes on 'Initial Asset Database Refresh' when there's a meta file containing big amount of user data (1241933)
Asset Import Pipeline: Unity YAML Upgrading project to 2019.3 Asset Database V2 makes the project crash on startup (1228192)
Asset Importers: It is possible to select "None (Object)" from the Material list in Model Importer Material Editor and Apply it (1243020)
Audio: Editor crashes on changing 'System Sample Rate' when Audio track preview is being played in Timeline window (1232743)
Audio: [Windows] Editor uses one CPU Logical Processor at 100% while the game is in Pause Mode (1219619)
Global Illumination: Unity crashing when baking lights and generating light UV (1118524)
Global Illumination: [OSX][GPUPLM]OS Kernel Panic crash with 'Thread may have been prematurely finalized' after baking the scene with AMD GPU (1160419)
Global Illumination: [PLM] Baking stalls after disabling/enabling static gameobject (1144403)
Global Illumination: [PLM] Progressive Lightmapper stuck in an infinite loop with Progressive Updates and Auto-Generate On (1245087)
Global Illumination: [macOS] BugReporter doesn't get invoked when the project crashes (1219458)
Global Illumination: gi::InitializeManagers() takes 0.6s during Editor startup (1162775)
Graphics - General: Mesh API calls causes slowdown in Play Mode (1233944)
Graphics - General: [Performance Regression] AssetBundleLoadAllAssets - Load_Prefabs_AllAssets is significantly slower than 18.4 (1203512)
Graphics - General: [Performance Regression] AssetBundleLoadSingleAssets : LoadAsync_Prefabs_SingleAssets is significantly slower than 18.4 (1203511)
IAP: Disabling and re-enabling IAP in services window throws multiple errors about failing to find assemblies (1193774)
IAP: Unity purchasing gives error on project upgrade due to failing to find UnityEngine.UI assembly (1193773)
IL2CPP: CIL Linker fails when there are many Scenes in build (1240780)
IMGUI: Editor crashes on StageUtility::IsGameObjectRenderedByCameraAndPartOfEditableScene when calling Undo.PerformUndo() method (1242926)
Linux: [Editor] Input.GetAxis("Mouse ScrollWheel") always returns 0 when Cursor.lockState is set to CursorLockMode.Locked (1219781)
Linux: Editor freezes when capturing a Player snapshot through Memory Profiler (1244421)
Linux: Selection frame drawn in Scene view when a GameObject is selected while Alt and left mouse buttons are pressed (1239227)
MacOS: Editor is leaking memory when Aura Camera component is attached to a GameObject in the scene and Aura preview is enabled (1229502)
MacOS: Unity kernel crashes Mac with OpenGL when only Intel Graphics are present (1225380)
MacOS: [HDRP][macOS] Unity crashes when changing Device to Use setting from Automatic to Intel GPU (1242057)
MacOS: [Mac] Build support modules fail to install when downloading them using "Open Download Page" button in Builds Settings (1219284)
MacOS: [macOS] Editor crashes when trying to access audio capture devices (1227607)
MacOS: [macOS] Mac crashes when opening the project with m_APIs under WindowsStandaloneSupport with only integrated Iris GPU (1232673)
Mono: Crash with various stack traces when exiting Play Mode after recompiling scripts (1238859)
OpenGL: Crash on BufferManagerGLES::AcquireBuffer when in Play Mode (1230566)
Package: Errors are Constantly thrown when Active Input Handling is set to Input System Package (1176974)
Profiling: Standalone profiler doesn't draw properly (1244345)
Scene Management: Prefab Variant Transform fileId changes (1238280)
Scene Management: Prefabs lose their values if scripts are removed then reintroduced (1216914)
Scripting: [SerializeReference] non-serialized Initialized fields lose their values when entering and during play mode. (1193322)
Scripting: [SerializedField] fields produce "Field is never assigned to..." warning (1080427)
Shaders: ShaderUtil.GetAllShaderInfo() function doesn't return errors from Surface shader functions (1248017)
Themes: Components of a gameObject are not displayed in Inspector if its tag is deleted (1240105)
WebGL: Using XElement.Load(string uri) causes an uncaught abort exception when using dlopen() dynamic linking in Emscripten (1192963)
WebGL: VideoPlayer is not rendered in WebGL builds when the video is loaded via URL (1188316)
Windows: Cannot activate license within a docker container (1193364)
2019.3.14f1 Release Notes
2D: (com.unity.2d.animation) Fixed bone name field in weight slider does not display bone name (1226249)
2D: (com.unity.2d.animation) Fixed SpriteResolver's Inspector not updated when GameObject is disabled
2D: (com.unity.2d.psdimporter) Fix crash on importing huge PSD files
2D: (com.unity.2d.psdimporter) Fix error when importing PSB files with 32-bit color
2D: (com.unity.2d.psdimporter) Fix metafile not updated when reimporting
2D: (com.unity.2d.psdimporter) Fix PSD import issues with PSD file without unique layer id
Asset Pipeline: Fixed issue where searching did find asset, when mono script class was renamed (either class name or namespace). Only fixed for asset database v2. (1068482)
Asset Pipeline: Fixed issue with current revision removed in initial script refresh (1236166)
Asset Pipeline: Fixes issue with sprite renaming and the UI not reloading to show the renaming (1215564)
Asset Pipeline: Optimized Project Browser in Two Column mode when a change happens to the AssetDatabase (added/removed/updated assets). (1228345)
Build Pipeline: Added support for baked collision mesh writing in the Scriptable Build Pipeline. (1234924)
CodeEditor: Built-in attributes for JetBrains Annotations have been modernized and include all new annotations (minus ASP/Razor attributes which have no relevance to Unity).For more info on these attributes, see https://www.jetbrains.com/help/resharper/Code_Analysis__Code_Annotations.html. (1208183)
Core: Graphics Reduced CPU spikes on mobile platforms in SkinMeshRenderer when GPU skinning is disabled
Editor: Fixed rare crash when closing down the editor or player showing (StackAllocatorPool::ClearMainThreadFallback) in the stack trace. (1241885)
Editor: Fixed the Dropdown null exception issue in Playmode. (1222714)
Editor: Optimize usage of player connection when transfering test results. (1229200)
Editor: Removed HideFlags.DontSaveInEditor or HideFlags.DontSaveInBuild restriction on Scene Visibility. (1217361)
Editor: The dll and project level of the tree view should now correctly show the results when running tests in a player. (1197026)
Graphics: Fixed 'task.rasterData.vertexBuffer == NULL' errors when using a Particle System (1226357)
Graphics: Closing the dialogue box instead of pressing a button now no longer discards the changes restart the editor when switching graphics API. (1240813)
Graphics: Fix a race condition when using Dynamic Batching and Graphics Jobs together. (1221653)
Graphics: Fixed issue where a Canvas in Screen space camera mode has a 0 height when a non standard custom projection matrix is set. (1203097)
Graphics: Fixed issue with Hash128.u64_1 returning an invalid value
Graphics: Fixed issue with transparent backfaces rendered in HDRP even when not requested. (1234662)
Graphics: Fixes an issue where graphics settings were written to boot.config incorrectly. (1236936)
Graphics: For StreamConnect, do not allow stream creation with Primary stream (1235981)
Graphics: Higher precision compressed normals for GPU lightmapper. (1205301)
iOS: Launch Images are no longer supported, as per new Apple guidelines (1194762)
iOS: Stop .pdb files being added to non development XCode builds. (1232798)
macOS: Fixed DllNotFoundException: libMonoPosixHelper.dylib in Mac Standalone build (1219335)
Package Manager: Fixed an issue where npm authentication configuration was ignored when there was an extraneous slash at the end of the configured registry URL (1240995)
Physics: Ensure that passing NULL to "Physics2D.GetIgnoreCollision()" issues an ArgumentNullException and not crash. (1239208)
Physics: Fix an issue where using huge numbers of vertex or paths in a PolygonCollider2D, EdgeCollider2D or CompositeCollider2D would cause a stack overflow. (1212015)
Profiler: Corrects errors when switching between connected player and editor due to unfinished profiler frame being processed. (1181306)
Profiler: Fixed 'Current Frame' button looking interactable when it's not. (1225682)
Profiler: Fixed alignment of sorting arrow being different on Overview vs Show Calls. (1226605)
Profiler: Fixed GPU Profiler Module Warning icon tool-tip not appearing. (1225376)
Profiler: Fixed inability to select reoccurring samples in Raw Hierarchy. (1093368)
Profiler: Fixed networking charts drawing out of bounds. (1058920)
Profiler: Fixed View Type Dropdown of the CPU Module disappearing when switching to Hierarchy View without data to display. (1223740)
Scripting: Remove overwritten ReferenceOutputAssembly from project reference for Visual Studio project generation (1243277)
Security: Fixed UNET vulnerabilities. (CVE-2020-12630, CVE-2020-12631)
Serialization: Fix complex values in map when writing json (1224760)
Serialization: Fix error message when error is found during load of serialized asset (1228574)
UI: Fix issue with Scrollbar::ClickRepeat that was using the same PointEventData over multiple frames. (1193571)
Version Control: Fix Checkout() APIs for non-asset-database-aware files (1241289)
Version Control: Fix context menu for Assets folder in Project window. (1233595)
Version Control: Fixed EditorSceneManager.SaveScene API in some cases overwriting files that are read-only (e.g. remote exclusive checkout in Perforce).
Video: Reorganized looping logic to avoid frame reordering that was leading to confusion when deciding what frame is closest to current player clock time. (1198586)
XR: Fix bug where XR will stop functioning after any new packages are installed or scripts are modified. (1223574)
XR: Fixes a perf issue when using vulkan and xr sdk. results in a perf gain of ~4 ms on the GPU. (1206999)
XR: Update XR Management verified package to 3.2.10. (1239046)
Mobile: Adaptive Performance - Fix Analytics system error with unloaded subsystem.
Mobile: Adaptive Performance Samsung Provider - GameSDK 3.2 has a different behaviour when setting frequency levels and warning level 2 (throttling) is reached and you are always in control of the CPU/GPU level.
Mobile: Adaptive Performance Samsung Provider - GameSDK 3.2 uses a wider range of temperature levels and maximum temperature level is changed to level 10.
2D: ((com.unity.2d.animation) Allow reordering of bone order in Bone Influence window. This is to allow fine tuning of bone order when shown in SpriteSkin's Inspector
2D: (com.unity.2d.animation) Improved deformation performance when Collection and Burst package is installed
2D: (com.unity.2d.psdimporter) Improve PSD file import performance
2D: (com.unity.2d.spriteshape) Added warning when a valid SpriteShape profile is not set.
Editor: Allow Hash128 parsing to be done in a managed thread.
Mobile: Update verified package Adaptive Performance and Samsung provider to 1.1.6
Profiler: Hierarchy and Timeline view no longer display frame data while profiling unless "Live" toggle is pressed, reducing the Editor Overhead while profiling Edit or Play Mode.
Shaders: UNITY_OLD_PREPROCESSOR macro is now defined for all shader stages except for ray tracing.
OS: Windows 7 SP1+, 8, 10, 64-bit versions only; macOS 10.12+. (Server versions of Windows & OS X are not tested.)
CPU: SSE2 instruction set support.
GPU: Graphics card with DX10 (shader model 4.0) capabilities.
The rest mostly depends on the complexity of your projects.
Additional platform development requirements:
iOS: Mac computer running minimum macOS 10.12.6 and Xcode 9.4 or higher.
Android: Android SDK and Java Development Kit (JDK); IL2CPP scripting backend requires Android NDK.
Universal Windows Platform: Windows 10 (64-bit), Visual Studio 2015 with C++ Tools component or later and Windows 10 SDK
For running Unity games
Generally content developed with Unity can run pretty much everywhere. How well it runs is dependent on the complexity of your project. More detailed requirements:
- OS: Windows 7 SP1+, macOS 10.12+, Ubuntu 16.04+
- Graphics card with DX10 (shader model 4.0) capabilities.
- CPU: SSE2 instruction set support.
iOS player requires iOS 10.0 or higher.
Android: OS 4.4 or later; ARMv7 CPU with NEON support; OpenGL ES 2.0 or later.
WebGL: Any recent desktop version of Firefox, Chrome, Edge or Safari.
Universal Windows Platform: Windows 10 and a graphics card with DX10 (shader model 4.0) capabilities
Exported Android Gradle projects require Android Studio 3.4 and later to build