### Known Issues in 2019.3.11f1

*   2D: Editor crashes/freezes on a broken project when editing a Scene using Tilemap ([1221127](https://issuetracker.unity3d.com/issues/editor-freezes-on-a-broken-project-when-editing-a-scene-using-tilemap))
    
*   Asset Import Pipeline: Editor is stuck compiling or crashes when importing prefab referencing scripts from precompiled libraries ([1217707](https://issuetracker.unity3d.com/issues/editor-crashes-when-importing-prefab-referencing-scripts-from-precompiled-libraries))
    
*   Audio: Editor crashes on changing 'System Sample Rate' when Audio track preview is being played in Timeline window ([1232743](https://issuetracker.unity3d.com/issues/audio-editor-crashes-on-changing-system-sample-rate-when-audio-track-preview-is-being-played-in-timeline-window))
    
*   Audio: \[Windows\] Editor uses one CPU Logical Processor at 100% while the game is in Pause Mode ([1219619](https://issuetracker.unity3d.com/issues/editor-uses-one-cpu-logical-processor-at-100-percent-while-the-game-is-paused))
    
*   Global Illumination: Unity crashing when baking lights and generating light UV ([1118524](https://issuetracker.unity3d.com/issues/unity-crashing-when-baking-lights-and-generating-light-uv))
    
*   Global Illumination: \[OSX\]\[GPUPLM\]OS Kernel Panic crash with 'Thread may have been prematurely finalized' after baking the scene with AMD GPU ([1160419](https://issuetracker.unity3d.com/issues/osx-gpuplm-kernel-panic-slash-editor-crash-with-thread-may-have-been-prematurely-finalized-after-baking-the-scene-with-amd-gpu))
    
*   Global Illumination: \[PLM\] Baking stalls after disabling/enabling static gameobject ([1144403](https://issuetracker.unity3d.com/issues/plm-baking-stalls-after-disabling-slash-enabling-static-gameobject))
    
*   Global Illumination: \[macOS\] BugReporter doesn't get invoked when the project crashes ([1219458](https://issuetracker.unity3d.com/issues/macos-bugreporter-doesnt-get-invoked-when-the-project-crashes))
    
*   Global Illumination: gi::InitializeManagers() takes 0.6s during Editor startup ([1162775](https://issuetracker.unity3d.com/issues/gi-initializemanagers-takes-0-dot-4s-during-editor-startup))
    
*   Graphics - General: 'task.rasterData.vertexBuffer == NULL' errors when using a Particle System ([1226357](https://issuetracker.unity3d.com/issues/task-dot-rasterdata-dot-vertexbuffer-equals-equals-null-errors-when-using-a-particle-system))
    
*   IAP: Disabling and re-enabling IAP in services window throws multiple errors about failing to find assemblies ([1193774](https://issuetracker.unity3d.com/issues/disabling-and-re-enabling-iap-in-services-window-throws-multiple-errors-about-failing-to-find-assemblies))
    
*   IAP: Unity purchasing gives error on project upgrade due to failing to find UnityEngine.UI assembly ([1193773](https://issuetracker.unity3d.com/issues/unity-purchasing-fails-to-load-due-to-failing-to-find-unityengine-dot-ui-assembly))
    
*   MacOS: Editor is leaking memory when Aura Camera component is attached to a GameObject in the scene and Aura preview is enabled ([1229502](https://issuetracker.unity3d.com/issues/macos-editor-is-leaking-memory-when-aura-camera-component-is-attached-to-a-gameobject-in-the-scene-and-aura-preview-is-enabled))
    
*   MacOS: \[Mac\] Build support modules fail to install when downloading them using "Open Download Page" button in Builds Settings ([1219284](https://issuetracker.unity3d.com/issues/mac-build-support-modules-fail-to-install-when-downloading-them-using-open-download-page-button-in-builds-settings))
    
*   MacOS: \[macOS\] Editor crashes when trying to access audio capture devices ([1227607](https://issuetracker.unity3d.com/issues/macos-editor-crashes-when-trying-to-access-audio-capture-devices))
    
*   Mobile: \[Android\]\[IL2CPP\] App crashes after executing Application.Quit ([1233578](https://issuetracker.unity3d.com/issues/android-app-crashes-after-executing-application-dot-quit))
    
*   Mobile: \[iOS\] Debug .pdb files are added to iOS release builds ([1232798](https://issuetracker.unity3d.com/issues/ios-debug-pdb-files-are-added-to-ios-release-builds))
    
*   Package: Errors are Constantly thrown when Active Input Handling is set to Input System Package ([1176974](https://issuetracker.unity3d.com/issues/urp-errors-are-constantly-thrown-when-active-input-handling-is-set-to-input-system-package))
    
*   Profiling: Missing Profiler.EndSample errors appear after switching profiling target ([1181306](https://issuetracker.unity3d.com/issues/missing-profiler-dot-endsample-errors-appear-after-switching-profiling-target))
    
*   Profiling: Native object references for some object types are always 0 in the memory profiler ([1234714](https://issuetracker.unity3d.com/issues/native-object-references-for-some-object-types-are-always-0-in-the-memory-profiler))
    
*   Profiling: \[Profiler\] Any dropdown list in Profiler Window doesn't expand the second time once collapsed until the mouse cursor is moved ([1223087](https://issuetracker.unity3d.com/issues/profiler-any-dropdown-list-in-profiler-window-doesnt-expand-the-second-time-once-collapsed-until-the-mouse-cursor-is-moved))
    
*   Scene Management: Prefab Variant Transform fileId changes ([1238280](https://issuetracker.unity3d.com/issues/prefab-variant-transform-fileid-changes))
    
*   Scene Management: Prefabs lose their values if scripts are removed then reintroduced ([1216914](https://issuetracker.unity3d.com/issues/prefabs-lose-their-values-if-scripts-are-removed-then-reintroduced))
    
*   Scene Management: Unity Editor freezes/crashes when opening a specific Scene ([1228147](https://issuetracker.unity3d.com/issues/unity-editor-freezes-slash-crashes-when-opening-a-specific-scene))
    
*   Scripting: ManagedJobIndexPool runs out of indices when using a processor with a large amount of cores, crashes on exit ([1204885](https://issuetracker.unity3d.com/issues/managedjobindexpool-runs-out-of-indices-when-using-a-processor-with-a-large-amount-of-cores-crashes-on-exit))
    
*   Shuriken: Crash on CreateDirect3D11SurfaceFromDXGISurface when calling DrawRenderer with a Trail Renderer ([1216216](https://issuetracker.unity3d.com/issues/crash-on-createdirect3d11surfacefromdxgisurface-when-calling-drawrenderer-with-a-trail-renderer))
    
*   Themes: Components of a gameObject are not displayed in Inspector if its tag is deleted ([1240105](https://issuetracker.unity3d.com/issues/themes-components-of-a-gameobject-are-not-displayed-in-inspector-if-its-tag-is-deleted))
    
*   WebGL: Built project causes an uncaught abort exception when using dlopen() dynamic linking in Emscripten ([1192963](https://issuetracker.unity3d.com/issues/webgl-built-project-causes-an-uncaught-abort-exception-when-using-dlopen-dynamic-linking-in-emscripten))
    
*   WebGL: VideoPlayer is not rendered in WebGL builds when the video is loaded via URL ([1188316](https://issuetracker.unity3d.com/issues/webgl-videoplayer-is-not-rendered-in-webgl-builds-when-the-video-is-loaded-via-url))
    
*   Windows: TDR Crash when opening a project with Image Sharpening enabled ([1238022](https://issuetracker.unity3d.com/issues/tdr-crash-when-opening-a-project-with-image-sharpening-enabled))
    

### 2019.3.11f1 Release Notes

#### Fixes

*   2D: Editor crashes during Sprite Atlas baking when not enough disk space is available ([1228614](https://issuetracker.unity3d.com/issues/editor-crashes-during-sprite-atlas-baking-when-not-enough-disk-space-is-available))
    
*   2D: Fixed a crash that might happen when a Sprite Renderer in Sliced/Tiled Draw Mode was rendered with the Universal Render Pipeline. ([1217696](https://issuetracker.unity3d.com/issues/editor-crashes-in-nvapi-thunk-on-entering-play-mode-when-additional-lights-option-in-the-render-asset-is-enabled))
    
*   2D: Fixed unable to select second created Sprite after the first created Sprite has been renamed. ([1223096](https://issuetracker.unity3d.com/issues/sprite-is-anchored-to-another-sprite-in-sprite-editor-when-sprite-is-created-after-another-sprite-is-created-and-named))
    
*   Animation: Fixing a crash when assigning an invalid AnimatorOverrideController to the Animator field. ([1229421](https://issuetracker.unity3d.com/issues/crash-on-mecanim-createvaluearray-when-setting-animators-controller-to-override-controller-with-no-controller-to-override))
    
*   Asset Import: Fixed issue where selecting a Material from the list in Model Importer Material Editor locks choice and ignore other selected Materials ([1238878](https://issuetracker.unity3d.com/issues/selecting-a-material-from-the-list-in-model-importer-material-editor-locks-choice-and-ignore-other-selected-materials))
    
*   Asset Import: Fixed issue where shadows appear segmented at specific angles when using physical camera with a large difference between sensor aspect ratio and screen aspect ratio. ([1211431](https://issuetracker.unity3d.com/issues/shadows-appear-segmented-in-the-game-view-when-using-link-fov-to-physical-camera))
    
*   Audio: Fixed unassigned AudioSource game object from causing a memory leak which would eventually result in a crash. ([1225987](https://issuetracker.unity3d.com/issues/crash-on-stackallocator-walkallocations-when-theres-a-memory-leak-in-play-mode))
    
*   Build Pipeline: Fix cache miss due to non-deterministic hash generation for BuildReferenceMap and BuildUsageTagSet classes. ([1227574](https://issuetracker.unity3d.com/issues/scriptable-buildpipeline-buildusagetagset-unionwith-order-results-in-non-deterministic-gethash128))
    
*   Editor: Layer settings are set and saved per project in the project Library folder instead of being set globally. ([1191057](https://issuetracker.unity3d.com/issues/layer-dropdown-settings-are-persistent-through-projects))
    
*   Editor: Raise a warning when exporting a .unitypackage, including dependencies, when some dependencies are in Package Manager packages and cannot be included ([1218448](https://issuetracker.unity3d.com/issues/no-warning-is-shown-when-trying-to-export-package-from-the-packages-folder))
    
*   GI: Added API for StitchLightmapSeams and ScaleInLightmap on Mesh Renderer. (1228109)
    
*   GI: Fixed incorrect handling of HDR values for the gradient sky environment while baking. ([1222747](https://issuetracker.unity3d.com/issues/hdr-values-are-not-taken-into-account-when-using-baked-gradient-environment))
    
*   Graphics: Errors appear when modifying a directional light with a reflection probe when HDRMode is R11G11B10 ([1217364](https://issuetracker.unity3d.com/issues/readpixels-errors-appear-when-modifying-a-directional-light-with-a-realtime-reflection-probe))
    
*   Graphics: Resolved graphics tiers HDR format not taken into account within the editor. ([1205975](https://issuetracker.unity3d.com/issues/rendertextureformat-dot-defaulthdr-uses-rgba16f-in-the-editor-even-when-hdr-mode-is-set-differently))
    
*   Graphics: Tree Billboard textures now only update when they are used in the scene. ([1198821](https://issuetracker.unity3d.com/issues/in-profiler-terrain-dot-updatetreebillboardtexture-call-takes-up-performance-even-when-no-billboard-models-in-the-scene-are-present))
    
*   IL2CPP: Add support for SendTo and RecvFrom socket calls on Windows with IPv6. (1208806)
    
*   iOS: Fixed an issue where a custom storyboard might not be found at runtime ([1225171](https://issuetracker.unity3d.com/issues/2018-dot-4-a-grey-screen-fades-in-between-the-storyboard-launch-screen-and-the-first-unity-scene))
    
*   iOS: \[iOS\] `Swift Language Version` is not set in Xcode Build Settings when a .swift source plugin is added to an Unity Project ([1176139](https://issuetracker.unity3d.com/issues/ios-swift-language-version-is-not-set-in-xcode-build-settings-when-a-swift-source-plugin-is-added-to-an-unity-project))
    
*   Kernel: AlignOf<T> returns C# required structure alignment, instead of 4. ([1214853](https://issuetracker.unity3d.com/issues/unity-dot-collections-dot-lowlevel-dot-unsafe-dot-unsafeutility-dot-alignof-always-returns-4))
    
*   Linux: Read /etc/os-release instead of running lsb\_release to be more platform agnostic and resolve issue with Stadia certification. (1231988)
    
*   macOS: Fixed issue where plugins were not being placed and loaded from the correct location ([1216171](https://issuetracker.unity3d.com/issues/macos-native-plugins-not-detected-or-misplaced-in-builds))
    
*   macOS: Fixes a bug that prevented the Game Center UI from showing on macOS ([1215479](https://issuetracker.unity3d.com/issues/macos-calling-social-dot-showachievementsui-does-nothing-on-macos-standalone))
    
*   Package Manager: Fix nullreference exception (backport) ([1218765](https://issuetracker.unity3d.com/issues/exceptions-when-dragging-window-tabs-next-to-package-manager))
    
*   Profiler: Fix Editor crashes when loading corrupted profiler data ([1131782](https://issuetracker.unity3d.com/issues/editor-crashes-when-loading-profiler-file-with-memcpy-stacktrace))
    
*   Scripting: Fixed batch mode issue, where a repeating or infinite loop coroutine does not resume execution after a period of time. (1201708)
    
*   XR: Fix a crash when executing Application.Quit on Oculus device ([1222826](https://issuetracker.unity3d.com/issues/xr-legacy-sdk-oculus-quest-oculus-go-app-crashes-when-executing-application-dot-quit))
    
*   XR: Fix for lack of vulkan support for additional graphics queue in graphics device. ([1221658](https://issuetracker.unity3d.com/issues/xr-vulkan-graphics-device-lacks-support-for-additional-graphics-queue-when-using-oculus-xr-provider))
    
*   XR: Fixed Vulkan multiview renderpass mismatch
    

#### Improvements

*   Android: Update Screen.currentResolution.refreshRate in case the display refresh rate changes
    
*   Kernel: Fix crash when empty filename is passed to AsyncReadManager.Read API
    
*   UI: Add the ability to toggle maskable option from the inspector (property has always been there for API only) ([1227645](https://issuetracker.unity3d.com/issues/improve-gc-allocation-of-maskablegraphic))
    

#### Features

*   iOS: Make it possible to tweak xcode frame-capture and metal-validation option from editor scripts

#### System Requirements

##### For development

**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:

*   Desktop:
    
    *   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