### Known Issues in 2021.2.0b6

*   AI: Fixed crash caused by the NavMesh builder code in very rare and specific configurations of the world geometry. ([1329346](https://issuetracker.unity3d.com/issues/crash-with-computetilemeshjob-when-generating-navmesh))  
    _Fixed in 2021.2.0b7._
    
*   Asset Importers: Editor crashes on UnityEditor.Unsupported:IsDestroyScriptableObject when applying changes to a custom asset ([1353925](https://issuetracker.unity3d.com/issues/editor-crashes-on-unityeditor-dot-unsupported-isdestroyscriptableobject-when-applying-changes-to-a-custom-asset))
    
*   Asset Importers: \[MacOS\] Second Unity instance in Activity Monitor is "not responding” after importing ([1331736](https://issuetracker.unity3d.com/issues/macos-second-unity-instance-in-activity-monitor-is-not-responding-after-importing))
    
*   Audio: Crash on AudioMixer\_CUSTOM\_FindSnapshot when passing null as an argument to FindSnapshot() ([1341752](https://issuetracker.unity3d.com/issues/crash-on-audiomixer-custom-findsnapshot-when-passing-null-as-an-argument-to-findsnapshot))
    
*   Audio: Error is thrown when Audio Clip is selected in the Project Browser ([1345239](https://issuetracker.unity3d.com/issues/error-is-thrown-when-audio-clip-is-selected-in-the-project-browser))
    
*   Customer QA Onboarding: Crash on AudioCustomFilter::GetOrCreateDSP when recompiling scripts while in Play Mode ([1354002](https://issuetracker.unity3d.com/issues/crash-on-audiocustomfilter-getorcreatedsp-when-recompiling-scripts-while-in-play-mode))
    
*   Global Illumination: Crash while sculpting Terrain and Baking Lightmaps ([1266511](https://issuetracker.unity3d.com/issues/crash-while-sculpting-terrain))
    
*   Graphics - Analysis Tools: (Frame Debugger) Clear events constantly appear and disappear ([1341163](https://issuetracker.unity3d.com/issues/frame-debugger-clear-events-constantly-appear-and-disappear))
    
*   Graphics Device Backends: CommandBuffer native plugin events hang in the Editor ([1308216](https://issuetracker.unity3d.com/issues/commandbuffer-native-plugin-events-hang-in-the-editor))
    
*   HD RP: HDRP Template fills the Console with "Shader error...couldn't open include file" messages after building the project ([1342989](https://issuetracker.unity3d.com/issues/hdrp-template-fills-the-console-with-shader-error-dot-dot-dot-couldnt-open-include-file-messages-after-building-the-project))
    
*   IL2CPP: \[Mono Upgrade\] Il2CPP player fails to start on Windows 7 ([1340258](https://issuetracker.unity3d.com/issues/il2cpp-player-fails-to-start-on-windows-7))
    
*   Input: Touch Input doesn't work in Play Mode when running an Editor on a Touchscreen device ([1341159](https://issuetracker.unity3d.com/issues/touch-input-doesnt-work-in-play-mode-when-running-an-editor-on-a-touchscreen-device))
    
*   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))
    
*   Metal: Unity does not use dedicated graphics card when graphics API is set to Metal ([1352465](https://issuetracker.unity3d.com/issues/activity-monitor-application-does-not-show-that-the-dedicated-gpu-is-being-utilised-when-graphics-api-is-set-to-metal))
    
*   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))
    
*   Mobile: \[Android\] Using TouchScreenKeyboard.Open with a non-empty placeholder multiple times causes the app to crash ([1347370](https://issuetracker.unity3d.com/issues/android-using-touchscreenkeyboard-dot-open-with-a-non-empty-placeholder-multiple-times-causes-the-app-to-crash))
    
*   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))
    
*   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))
    
*   Scene Management: Redoing Apply nestee prefab crashes Editor ([1348899](https://issuetracker.unity3d.com/issues/redoing-apply-nestee-prefab-crashes-editor))
    
*   Scene/Game View: Unity crashes when selecting objects in Scene using rectangular selection ([1351135](https://issuetracker.unity3d.com/issues/unity-crashes-when-selecting-objects-in-scene-using-rectangular-selection))
    
*   Scripting: DomainReloadTests performance tests have regressed due to removal of built-in support for Visual Studio as a code editor ([1336648](https://issuetracker.unity3d.com/issues/domainreloadtests-performance-tests-have-regressed-due-to-removal-of-built-in-support-for-visual-studio-as-a-code-editor))
    
*   Scripting: Increased Script Assembly reload time ([1323490](https://issuetracker.unity3d.com/issues/increased-reload-time))
    
*   Scripting: Internal package modules that are not used in a project do not get stripped from player builds. ([1332465](https://issuetracker.unity3d.com/issues/internal-package-modules-that-are-not-used-in-a-project-do-not-get-stripped-from-player-builds))
    
*   Serialization: Prefab property override blue line have disepeared from HDRP's custom passes ([1348031](https://issuetracker.unity3d.com/issues/prefab-property-override-blue-line-have-disepeared-from-hdrps-custom-passes))
    
*   Shader System: Pass.CompileVariant crashes the shader compiler when using a target platform that is not installed ([1348875](https://issuetracker.unity3d.com/issues/pass-dot-compilevariant-crashes-the-shader-compiler-when-using-a-target-platform-that-is-not-installed))
    
*   uGUI: Performance degradation when activating or deactivating uGUI GameObject ([1348763](https://issuetracker.unity3d.com/issues/performance-degradation-when-activating-or-deactivating-ugui-gameobject))
    
*   UI Toolkit: \[Shadergraph\] "Transform" node no longer appears in searcher when typed ([1344825](https://issuetracker.unity3d.com/issues/shadergraph-transform-node-no-longer-appears-in-searcher-when-typed))
    
*   Video: Video player fails to start playing and null handle errors are thrown when running Unity Editor/Build with specific hardware ([1237818](https://issuetracker.unity3d.com/issues/video-player-fails-to-start-playing-and-null-handle-errors-are-thrown-when-running-unity-editor-slash-build-with-specific-hardware))
    
*   Vulkan: Linux Editor using Vulkan crashes at " GfxDeviceVK::EnsureValidBackbuffer" when showing tooltips for ProBuilder buttons ([1335846](https://issuetracker.unity3d.com/issues/linux-editor-using-vulkan-crashes-at-gfxdevicevk-ensurevalidbackbuffer-when-showing-tooltips-for-probuilder-buttons))
    
*   WebGL: WebGL fails building on Windows 7 ([1340260](https://issuetracker.unity3d.com/issues/webgl-fails-building-on-windows-7))
    
*   Windows: Editor crashes when exiting and keeping a tutorial project ([1338299](https://issuetracker.unity3d.com/issues/editor-crashes-when-exiting-and-keeping-a-new-micrograme-project))
    

### New 2021.2.0b6 Entries since 2021.2.0b5

#### Improvements

*   Android: Bump Android Logcat package to 1.2.3
    
*   Asset Pipeline: Improved upload and download path
    
*   Editor: (Dynamic Hints) If the target window of a Dynamic Hint is available but unfocused, it becomes focused before the Dynamic Hint is shown
    
*   Package: Update Addressables to 1.18.13
    
*   Scripting: Allow user code to build against .NET Standard 2.1 and .NET Framework 4.8
    
*   UI Toolkit: TransitionEvents are now collapsed when relevant.
    

#### Fixes

*   2D: Fixed OnDrawGizmos not being called for Tile Palette when Draw Gizmos are enabled. ([1348123](https://issuetracker.unity3d.com/issues/2d-tilemap-gizmos-do-not-appear-in-tile-palette-window-when-toggling-on-the-button))  
    _This has already been backported to older releases and will not be mentioned in final notes._
    
*   Android: Il2cpp resources will be extracted during player launch only when needed, for ex., changes in scripts. Previously they would be extracted each time you make a new build from Unity.
    
*   Android: Logcat 1.2.3 version fixes 'The type or namespace name 'NUnit' could not be found' error when test framework package is removed. ([1343006](https://issuetracker.unity3d.com/issues/android-android-logcat-throws-the-type-or-namespace-name-nunit-could-not-be-found-when-removing-test-framework-package))  
    _This has already been backported to older releases and will not be mentioned in final notes._
    
*   Asset Pipeline: Duplicating folders and assets now invokes OnWillCreateAsset callbacks on the duplicated items. ([949423](https://issuetracker.unity3d.com/issues/assetmodificationprocessor-is-not-notified-when-an-asset-is-duplicated))
    
*   Asset Pipeline: Fixed issue with some FBX models being imported with a scale of 0 when 'Remove Constant Scale Curves' is enabled. (1348264)
    
*   Editor: (Dynamic Hints) Fixed: NullReferenceException when a prefab with a missing script is hovered in the ProjectBrowser
    
*   Editor: Added support for duplicate component names to UnityEvent selection popup. ([1309997](https://issuetracker.unity3d.com/issues/unityevents-cant-differentiate-between-components-that-have-equal-names))
    
*   Editor: Fixed a crash in ReorderableList while ensuring a valid array SerializedProperty ([1320319](https://issuetracker.unity3d.com/issues/crash-in-serializedproperty-isvalid-when-reordering-a-serializedproperty-list))
    
*   Editor: Fixed an issue to avoid asserts when opening gradient editor ([1344785](https://issuetracker.unity3d.com/issues/vfx-graph-assertion-failed-on-expression-didinsert-when-opening-gradient-editor))  
    _This has already been backported to older releases and will not be mentioned in final notes._
    
*   Editor: Fixed File->Open Recent Scene menu entries not working correctly after upgrading project from versions earlier than 2021.2.0a5. ([1338322](https://issuetracker.unity3d.com/issues/recent-scenes-break-after-upgrading-project))
    
*   Editor: Fixed Inspector ignoring NonReorderable attribute when a class implementing it is assigned to an interface or other abstract field ([1320158](https://issuetracker.unity3d.com/issues/nonreorderable-attribute-is-ignored-when-an-object-that-has-an-array-field-is-of-parent-type))  
    _This has already been backported to older releases and will not be mentioned in final notes._
    
*   Editor: Fixed lists inside lists not rendering elements after interaction ([1332688](https://issuetracker.unity3d.com/issues/elements-in-the-deepest-level-disappear-when-editing-list-size-while-using-reorderable-lists-and-the-deepest-list-is-expanded))  
    _This has already been backported to older releases and will not be mentioned in final notes._
    
*   Editor: Fixed NonReorderable attribute being ignored on derived class variables ([1331091](https://issuetracker.unity3d.com/issues/nonreorderable-attribute-is-ignored-when-the-list-is-in-inherited-class))
    
*   Editor: Fixed not being able to expand ReorderableLists while in inspector debug mode ([1316226](https://issuetracker.unity3d.com/issues/cannot-expand-a-private-list-of-variables-when-using-the-debug-inspector-mode))  
    _This has already been backported to older releases and will not be mentioned in final notes._
    
*   Editor: The progress bar in the status bar no longer gets stuck in an empty state. The progress bar in the status bar no longer shows instantaneous progresses. (1341616)
    
*   GI: Editor crashes on EnlightenSceneMapping::GetTerrainChunkUVST when loading scene with corrupt Lighting Data Asset. ([1325758](https://issuetracker.unity3d.com/issues/editor-crashes-on-enlightenscenemapping-getterrainchunkuvst-when-loading-scene-with-corrupt-lighting-data-asset))
    
*   Graphics: Fixed ImageConversion.LoadImage and Texture2D.LoadImage always returning true even in case of a failure ([1336892](https://issuetracker.unity3d.com/issues/texture-texture2d-dot-loadimage-always-returns-true-and-sets-the-texture-to-question-mark-if-loading-failed))
    
*   Graphics: Reload inspector on srp type changed (1346694)
    
*   Graphics: Support undo of Global Settings assignation ([1342987](https://issuetracker.unity3d.com/issues/undo-is-not-working-in-global-settings))
    
*   iOS: Fixed crash when using external display connected with USB-C ([1321153](https://issuetracker.unity3d.com/issues/ios-player-crashing-when-connecting-external-display-via-usb-c-port))
    
*   iOS: Fixed query of Display native resolution ([1342424](https://issuetracker.unity3d.com/issues/ios-display-dot-main-dot-systemwidth-slash-height-displays-the-rendering-resolution-instead-of-system-resolution))
    
*   iOS: Fixed video becoming unplayable after resuming an app when video's audio output mode is set to API Only. ([1330901](https://issuetracker.unity3d.com/issues/ios-video-freezes-after-locking-and-unlocking-a-phone))
    
*   macOS: Fixed non-development IL2CPP builds crashing on startup on Apple silicon machines. ([1348307](https://issuetracker.unity3d.com/issues/standalone-universal-il2cpp-build-fail-when-run-on-apple-silicon-hardware))  
    _First seen in 2021.2.0a9._
    
*   Mono: Fixed issue where InvalidOperationException was thrown when a GCHandle was defined within a Job. ([1343011](https://issuetracker.unity3d.com/issues/having-gchandle-defined-in-a-job-throws-an-invalidoperationexception-when-the-job-is-executed))  
    _First seen in 2021.2.0a18._
    
*   Nintendo Switch: Fixed shader precision issue that could cause artifacts in Terrain rendering (1345800)
    
*   Package Manager: Fixed issue where user can't view assets in Package Manager (error 400) (1330334)  
    _This has already been backported to older releases and will not be mentioned in final notes._
    
*   Particles: Optimize Mesh data stripping vertex channels that are used by particle systems when the mesh is included in assetbundles. ([1313420](https://issuetracker.unity3d.com/issues/addressables-vertex-data-is-lost-when-mesh-is-marked-as-addressable-and-play-mode-script-is-set-to-use-existing-build-1))
    
*   Physics: Fixed a crash in "PhysicsScene2D::UpdateJoints()" ([1342152](https://issuetracker.unity3d.com/issues/crash-in-fixedjoint2d-when-playing-in-player))  
    _This has already been backported to older releases and will not be mentioned in final notes._
    
*   Physics: Fixed Articulation Bodies not showing up in the Physics Visualiser ([1343929](https://issuetracker.unity3d.com/issues/articulation-is-not-visible-when-using-the-physics-debugger))  
    _First seen in 2021.2.0b1._
    
*   Profiler: Invoking a domain reload with the Module Editor Window open no longer causes subsequent errors when making changes in the Module Editor. ([1347205](https://issuetracker.unity3d.com/issues/indexoutofrangeexception-raised-in-module-editor-when-updating-a-module-after-a-domain-reload))  
    _First seen in 2021.2.0a17._
    
*   Scene/Game View: Fixed Grid Axis field in the Grid Settings Overlay not accepting input. (1345036)
    
*   Scene/Game View: Fixing overlay placement when scene view is resizing (1341038)
    
*   Scene/Game View: Improved performance of Gizmo rebuilding ([1350835](https://issuetracker.unity3d.com/issues/editor-freezes-when-selecting-gameobjects-in-a-scene-that-contains-a-lot-of-gameobjects-and-has-gizmos-enabled))  
    _First seen in 2021.2.0a19._
    
*   UI: Reverting change that caused highlight to take precedence over selected. ([1325066](https://issuetracker.unity3d.com/issues/the-currentselectionstate-is-set-to-highlighted-when-hovering-over-the-selected-selectable))
    
*   UI Toolkit: Fixed issue where the layout of a document was getting corrupted after saved the document. (1348002)
    
*   UI Toolkit: Fixed pointer events not working correctly when multiple UI Documents have different Screen Match values. ([1341135](https://issuetracker.unity3d.com/issues/ui-toolkit-pointer-events-doesnt-work-correctly-when-multiple-ui-documents-has-different-screen-match-values))
    
*   UI Toolkit: Fixed rendering issue after clicking refresh in package manager. (1343188)  
    _First seen in 2021.2.0a19._
    
*   UI Toolkit: Fixed scrollview offset when Rebuild is called on a ListView. ([1344825](https://issuetracker.unity3d.com/issues/shadergraph-transform-node-no-longer-appears-in-searcher-when-typed))  
    _First seen in 2021.2.0b1._
    
*   UI Toolkit: Fixed scrollview offset when Reordering the contents in hierarchy is not visible. (1341758)
    
*   UI Toolkit: Fixed search option elements in shortcut window when a command is entered. ([1344699](https://issuetracker.unity3d.com/issues/shortcuts-manager-search-elements-will-not-be-visible-when-scrolling-down-and-searching-for-commands))  
    _First seen in 2021.2.0a19._
    
*   UI Toolkit: Fixed shortcut window rendering some extra whitespaces when the scrollview is down. (1342465)  
    _First seen in 2021.2.0._
    
*   UI Toolkit: Fixed the position of searcher in shadergraph when opening and closing a dropdown. ([1344830](https://issuetracker.unity3d.com/issues/shadergraph-opening-and-closing-dropdowns-in-the-searcher-shifts-your-position-strangely))  
    _First seen in 2021.2.0a19._
    
*   UI Toolkit: Fixed Toolbar turning white when loading certain native plugins ([1335430](https://issuetracker.unity3d.com/issues/toolbar-appears-over-play-slash-pause-slash-stop-buttons-when-using-csoundunity-package))
    
*   UI Toolkit: Fixed wrong mouse position on events when a UI Toolkit element has mouse capture, the mouse is outside the element's editor window and that window doesn't have the active mouse capture from the OS. ([1342115](https://issuetracker.unity3d.com/issues/mousemoveevent-returns-a-positive-position-when-the-cursor-leaves-the-window))
    
*   UI Toolkit: TransitionEvents reentrance is properly handled  
    _First seen in 2021.2.0a20._
    
*   VFX Graph: Fixed collision with depth buffer when using an orthographic camera ([1309958](https://issuetracker.unity3d.com/issues/vfx-teleports-to-the-camera-position-when-the-vfx-has-a-collide-with-depth-buffer-block-and-projection-is-set-to-orthographic))
    
*   WebGL: Fixed gamepad stick Y being inverted. ([1336005](https://issuetracker.unity3d.com/issues/webgl-input-system-vertical-axis-input-is-inverted-when-using-a-game-controller))
    
*   WebGL: Fixed handling of touch events. ([1349226](https://issuetracker.unity3d.com/issues/webgl-touch-events-do-not-work-when-in-built-player))
    
*   WebGL: Fixed Permission denied error during build ([1345412](https://issuetracker.unity3d.com/issues/webgl-build-fails-with-emscripten-permission-errors))
    
*   WebGL: Improved network bandwidth usage of VideoPlayer.Stop() API in WebGL builds by stopping the video stream from downloading further. (1348468)
    
*   Windows: Fixed for mouse deltas always being 0 when running Windows in a VM. ([1303445](https://issuetracker.unity3d.com/issues/function-input-dot-getaxis-mouse-x-and-y-axis-in-a-virtual-machine-always-returns-0))
    
*   XR: Updated XR Legacy Input Helpers to 2.1.8.