### Known Issues in 2021.1.6f1

*   Terrain: All the textures are cleared when creating Texture array ([1323870](https://issuetracker.unity3d.com/issues/all-the-textures-are-cleared-when-creating-texture-array))
    
*   Global Illumination: Performance regression when baking light probes with a light cookie in the scene ([1323393](https://issuetracker.unity3d.com/issues/performance-regression-when-baking-light-probes-with-a-light-cookie-in-the-scene))
    
*   Animation: AnimationEvent is fired late or isn't fired at all when Animation's 'Motion Time' value is set manually ([1324763](https://issuetracker.unity3d.com/issues/animationevent-is-fired-late-or-isnt-fired-at-all-when-animations-motion-time-value-is-set-manually))
    
*   DirectX12: Editor crashes on GfxDeviceD3D12Base::DrawBuffersCommon when switching between Scenes ([1329083](https://issuetracker.unity3d.com/issues/editor-crashes-on-gfxdeviced3d12base-drawbufferscommon-when-switching-between-scenes))
    
*   AI: Crash with ComputeTileMeshJob when generating Navmesh ([1329346](https://issuetracker.unity3d.com/issues/crash-with-computetilemeshjob-when-generating-navmesh))
    
*   Global Illumination: Reflection probes don't contain indirect scene lighting after the on-demand GI bake from the Lighting window ([1324246](https://issuetracker.unity3d.com/issues/reflection-probes-doesnt-contain-indirect-scene-lighting-after-the-on-demand-gi-bake-from-the-lighting-window))
    
*   Animation: \[Performance Regression\] AnimationWindowState:get\_allCurves takes approximately 5000ms to load animation in the Animation window ([1320250](https://issuetracker.unity3d.com/issues/perfomance-regression-animationwindowstate-get-allcurves-takes-approximately-5000ms-to-load-animation-in-the-animation-window))
    
*   IL2CPP: Build fails when using a combination of messages, SyncVars and SyncList in a project ([1328966](https://issuetracker.unity3d.com/issues/il2cpp-build-fails-when-using-a-combination-of-messages-syncvars-and-synclist-in-a-project))
    
*   Metal: Performance in Game View is significantly impacted by Gfx.WaitForPresentOnGfxThread when a second monitor is connected ([1327408](https://issuetracker.unity3d.com/issues/performance-in-game-view-is-significantly-impacted-by-gfx-dot-waitforpresentongfxthread-when-a-second-monitor-is-connected))
    
*   Scene Management: Crash on BuildPrefabInstanceCorrespondingObjectMap when overriding nested prefab inside AssetDatabase.StartAssetEditing() block ([1324978](https://issuetracker.unity3d.com/issues/crash-on-buildprefabinstancecorrespondingobjectmap-when-overriding-nested-prefab-inside-assetdatabase-dot-startassetediting-block))
    
*   Linux: Linux Editor crashes at "\_XFreeX11XCBStructure" when loading tutorials ([1323204](https://issuetracker.unity3d.com/issues/linux-editor-crashes-at-xfreex11xcbstructure-when-loading-tutorials))
    
*   Packman: User can't easily configure location of both UPM and Asset Store package local cache ([1317232](https://issuetracker.unity3d.com/issues/user-cant-easily-configure-location-of-both-upm-and-asset-store-package-local-cache))
    
*   Serialization: Crash in SerializedProperty::IsValid when reordering a SerializedProperty list ([1320319](https://issuetracker.unity3d.com/issues/crash-in-serializedproperty-isvalid-when-reordering-a-serializedproperty-list))
    
*   Global Illumination: \[GPUPLM\] Crash in RadeonRaysMeshManager::RemoveGeometry while baking Terrain game object with 4k lightmaps on certain GPU ([1255993](https://issuetracker.unity3d.com/issues/global-illumination-editor-crashes-while-baking-terrain-game-object-using-progressive-gpu-lightmapper))
    
*   Terrain: Terrain Lit Opacity as Density option causes alpha'd areas on the 5th layer or greater to appear with artifacts ([1283124](https://issuetracker.unity3d.com/issues/terrain-lit-opacity-as-density-option-causes-alphad-areas-on-the-5th-layer-or-greater-to-appear-with-artifacts))
    
*   Physics: OnTriggerEnter gets called after reparenting a RigidBody ([1323883](https://issuetracker.unity3d.com/issues/onentertrigger-gets-called-after-reparenting-a-rigidbody))
    
*   Asset Import Pipeline: Prefab script field reference is lost when project is upgraded ([1328724](https://issuetracker.unity3d.com/issues/prefab-script-field-reference-is-lost-when-project-is-upgraded))
    
*   WebGL: "SharedArrayBuffer will require cross-origin isolation as of M91" warning is thrown when launching Player on Chrome ([1323832](https://issuetracker.unity3d.com/issues/webgl-sharedarraybuffer-will-require-cross-origin-isolation-as-of-m91-warning-is-thrown-when-launching-player-on-chrome))
    
*   HD RP: The camera doesn't rotate in HDRP Template with the SimpleCameraController.cs script ([1326816](https://issuetracker.unity3d.com/issues/the-camera-doesnt-rotate-in-hdrp-template-with-the-simplecameracontroller-dot-cs-script))
    
*   Mobile: \[Android\] Build fails when there are 680 or more files in the Streaming Assets folder ([1272592](https://issuetracker.unity3d.com/issues/android-build-fails-when-there-are-680-or-more-files-in-the-streaming-assets-folder))
    
*   IMGUI: Contents of a ModalUtility window are invisible when it is launched from a Unity Context Menu ([1313636](https://issuetracker.unity3d.com/issues/error-displaying-showmodalutility-window))
    
*   Settings Window: Editor freezes when FixedTimestep value in the Preferences is set to 0/0 ([1326481](https://issuetracker.unity3d.com/issues/editor-freezes-when-fixedtimestep-value-in-the-preferences-is-set-to-0-slash-0))
    
*   2D: \[Skinning Editor\] Vertex can't be created after modifying Vertexes weight and when Sprite is from the .psb file ([1322204](https://issuetracker.unity3d.com/issues/skinning-editor-vertex-cant-be-created-after-modifying-vertexes-weight-and-when-sprite-is-from-the-psb-file))
    
*   Terrain: Crash on TreeRenderer::WillRenderTrees when being in Play Mode for several seconds ([1317966](https://issuetracker.unity3d.com/issues/crash-on-treerenderer-willrendertrees-when-being-in-play-mode-for-several-seconds))
    
*   Scripting: Increased Script Assembly reload time ([1323490](https://issuetracker.unity3d.com/issues/increased-reload-time))
    
*   Scripting: Crashes on mono\_class\_init when entering Play Mode after recompiling scripts ([1262671](https://issuetracker.unity3d.com/issues/crashes-on-mono-class-init-when-entering-play-mode-after-recompiling-scripts))
    
*   MacOS: \[macOS\] "build is damaged and cannot be opened" error when downloading Unity build from internet ([1323501](https://issuetracker.unity3d.com/issues/macos-build-is-damaged-and-cannot-be-opened-error-when-downloading-unity-build-from-internet))
    
*   Asset Importers: Wintermute::Geometry::Verify errors are spammed when baking a Mesh with Mesh Compression set to Medium/High ([1313968](https://issuetracker.unity3d.com/issues/wintermute-geometry-verify-errors-are-spammed-when-baking-a-mesh-with-mesh-compression-set-to-medium-slash-high))
    
*   2D: \[URP\] The Camera renders black screen when Post Processing is enabled in the 2D Renderer and in the Camera Component ([1318500](https://issuetracker.unity3d.com/issues/urp-the-camera-renders-black-screen-when-post-processing-is-enabled-in-the-2d-renderer-and-in-the-camera-component))
    

### 2021.1.6f1 Release Notes

#### Features

*   Package: Polybrush 1.1.2.

#### Improvements

*   Editor: Added new devices to the Device Simulator:  
    *   Apple iPad Air 2  
        
    *   Apple iPad Air (4th generation)  
        
    *   Apple iPhone 12 mini  
        
    *   Apple iPhone 12  
        
    *   Apple iPhone 12 Pro  
        
    *   Apple iPhone 12 Pro Max  
        
    *   Apple iPhone SE (2nd generation)  
        
    *   Google Pixel 5  
        
    *   Huawei P40 Pro  
        
    *   OnePlus 7 Pro  
        
    *   Samsung Galaxy Z Fold2 5G  
        
    *   Samsung Galaxy Note10  
        
    *   Samsung Galaxy Note10+ 5G  
        
    *   Samsung Galaxy Note20 Ultra 5G  
        
    *   Samsung Galaxy S8  
        
    *   Samsung Galaxy S9  
        
    *   vivo NEX 3 5G  
        
    *   Xiaomi Mi A3.

#### Changes

*   Graphics: Updated SRP templates to 11.0.0.

#### Fixes

*   Android: Fixed AutoRotation not working on dual screen devices. ([1259295](https://issuetracker.unity3d.com/issues/android-screen-orientation-is-not-working-on-second-display-of-lg-v50-after-the-initial-screen-rotation))
    
*   Android: Fixed black Unity view after pausing the app when in-app purchase dialog is shown. ([1249179](https://issuetracker.unity3d.com/issues/android-black-screen-on-android-when-switching-app-during-in-app-purchase))
    
*   Asset Import: Allow materials to be extracted into packages. ([1282867](https://issuetracker.unity3d.com/issues/couldnt-create-asset-file-error-is-thrown-when-extracting-materials-inside-packages-folder))
    
*   Asset Pipeline: Fixed a crash/assert when building and uploading shaders. (1314042)
    
*   Asset Pipeline: Fixed for crash that could occur when downloading assets from cache server. (1319521)
    
*   Asset Pipeline: Initialise Sprite Vertex Data during import to fix uninitialised memory causing non-deterministic imports. (1244086)
    
*   Asset Pipeline: Objects loaded during import in initial script refresh, are now unloaded. ([1296506](https://issuetracker.unity3d.com/issues/urp-scriptableobject-serializefield-value-set-to-default-during-the-first-import))
    
*   Build Pipeline: Make build fail faster when strict mode build option is used. ([1191481](https://issuetracker.unity3d.com/issues/build-callbacks-build-is-not-failing-when-buildfailedexception-is-thrown-in-the-postprocessscene-callback))
    
*   DX12: Fixed D3D12 memory leak with RenderTexture.enableRandomWrite (mostly happens when using SRPs with multiple cameras). (1329472)
    
*   Editor: Fixed an issue where exceptions are thrown while selecting specific console messages. ([1317216](https://issuetracker.unity3d.com/issues/argumentoutofrangeexception-error-is-thrown-when-selecting-a-message-printed-in-the-console-with-specific-string))
    
*   Graphics: A CopyDepth pass was previously included which allowed users script access to \_CameraDepthTarget but this has been removed on the metal GPU families that use Tile-based renderers (iOS, Silicon-GPU), fixing the performance decrease that this was causing. ([1298799](https://issuetracker.unity3d.com/issues/ios-copydepth-pass-is-present-in-the-legacy-deferred-render-pipeline-and-results-in-extra-render-target-memory-and-gpu-time))
    
*   Graphics: Fixed crash caused by using a compute pipeline object after it has been destroyed in Vulkan. (1327421)
    
*   Graphics: Fixed missing buffer binding through Shader.SetGlobalBuffer after dispatching compute. ([1313736](https://issuetracker.unity3d.com/issues/urp-metal-mac-project-crashes-on-launch-when-binding-compute-buffer-to-shader))
    
*   IL2CPP: Fixed possible crash when attaching a debugger or setting breakpoints. ([1327376](https://issuetracker.unity3d.com/issues/crash-when-attaching-script-debugging-process-to-device))
    
*   iOS: Fixed an issue where you are unable to combine the last input character in Text Input Field when character limit exists in some languages. ([1321661](https://issuetracker.unity3d.com/issues/ios-unable-to-combine-the-last-input-character-in-text-input-field-when-character-limit-exists))
    
*   iOS: Fixed Time.unscaledDeltaTime getting wrong after the screen was locked. ([1319890](https://issuetracker.unity3d.com/issues/ios-time-dot-unscaleddeltatime-becomes-high-when-locking-the-screen-when-using-ondemandrendering))
    
*   iOS: Fixed `verticalOrientation` deprecation warning text by adding missing information about `ScreenOrientation.PortraitUpsideDown`. ([1307839](https://issuetracker.unity3d.com/issues/ios-verticalorientation-deprecation-warning-is-missing-information-about-screenorientation-dot-portraitupsidedown))
    
*   Linux: Reduced log spam when loading lots of assets. ([1320406](https://issuetracker.unity3d.com/issues/linux-platformimageforiconforextension-editor-log-spam-when-closing-the-editor-after-importing-a-project))
    
*   Physics: Fixed a bug where tweaking ArticulationBody drive parameters would re-initialise anchors. ([1315525](https://issuetracker.unity3d.com/issues/articulationbody-anchors-are-repositioned-even-when-any-unrelated-property-is-changed-in-the-inspector))
    
*   Physics: Fixed Articulation Body Components not responding to changes in the Inspector window at runtime. ([1325234](https://issuetracker.unity3d.com/issues/articulation-body-immovable-and-usegravity-toggles-do-not-work-at-runtime))
    
*   Prefabs: Instantiating, duplicating or updating prefabs no longer disables and re-enables the whole hierarchy, just the prefab instance. ([1269686](https://issuetracker.unity3d.com/issues/duplicating-a-prefab-instance-in-the-scene-will-cause-instances-of-the-same-prefab-to-be-disabled-and-re-enabled))
    
*   Profiler: On Mac, restoring defaults in the Profiler modules dropdown list now closes the dropdown list. ([1323673](https://issuetracker.unity3d.com/issues/profiler-order-of-modules-fails-to-reset-on-using-the-restore-defaults-option-from-the-profiler))
    
*   Serialization: Fixed SerializedProperty::arraySize when multiple objects are selected and the array has been resized. ([1327027](https://issuetracker.unity3d.com/issues/invalidoperationexception-is-thrown-when-attempting-to-delete-a-color-element-from-multi-selected-arrays))
    
*   UI Toolkit: Fixed 1297002: \[GraphView\] Graph Inspector window sticks to the mouse cursor on changing any dropdown value in Node settings. ([1297002](https://issuetracker.unity3d.com/issues/hdrp-graph-inspector-window-sticks-to-the-mouse-cursor-on-changing-any-dropdown-value-in-node-settings))
    
*   XR: World space UI will now render in secondary cameras. (1326167)