### Known Issues in 2021.1.26f1

*   Asset Bundles: Building process of the AssetBundles is slow when the file count is huge ([1358059](https://issuetracker.unity3d.com/issues/building-process-of-the-assetbundles-is-slow-when-the-file-count-is-huge))
    
*   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))
    
*   Global Illumination: Crash while sculpting Terrain and Baking Lightmaps ([1266511](https://issuetracker.unity3d.com/issues/crash-while-sculpting-terrain))
    
*   Global Illumination: \[Enlighten\] Fatal Error when closing the Editor while Generating Lighting ([1354238](https://issuetracker.unity3d.com/issues/fatal-error-when-closing-the-editor-while-generating-lighting))
    
*   Global Illumination: \[LightProbes\] Probes lose their lighting data after entering Play mode when Baked and Realtime GI are enabled ([1052045](https://issuetracker.unity3d.com/issues/light-probes-lose-their-lighting-data-after-entering-play-mode-when-baked-and-realtime-gi-are-enabled))
    
*   IL2CPP: \[Android\] \[IL2CPP\] Old build artifacts are used when ARMv7 and ARM64 build follows a ARM64 only build from different git branch ([1347245](https://issuetracker.unity3d.com/issues/android-il2cpp-old-build-artifacts-are-used-when-armv7-and-arm64-build-follows-a-arm64-only-build-from-different-git-branch))
    
*   Input: Input.GetKey does not trigger when the mouse cursor is outside the Game window ([1358134](https://issuetracker.unity3d.com/issues/input-dot-getkey-does-not-trigger-when-the-mouse-cursor-is-outside-the-game-window))
    
*   Input: Scrolling is jumping when scrolling in the Input Manager ([1362327](https://issuetracker.unity3d.com/issues/scrolling-is-jumping-when-scrolling-in-the-input-manager))
    
*   Inspector Framework: Long Layer names are not fully visible in the drop-down list when selecting it in the Inspector window from Script component ([1366623](https://issuetracker.unity3d.com/issues/long-layer-names-are-not-fully-visible-in-the-drop-down-list-when-selecting-it-in-the-inspector-window-from-script-component))
    
*   Mobile: \[Android\] App stops due to OnPixelCopyFinishedListener not being supported on devices with lower than 24 SDK ([1331290](https://issuetracker.unity3d.com/issues/app-stops-due-to-onpixelcopyfinishedlistener-not-being-supported-on-devices-with-lower-than-24-sdk))
    
*   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))
    
*   Profiling: Profiler's timeline view loses context frames when frames go out of Frame Count bounds ([1367470](https://issuetracker.unity3d.com/issues/timeline-view-looses-context-frames-when-frames-go-out-of-frame-count-bounds))
    
*   Scene Management: Instantiated FBX through code throws error after leaving Play Mode ([1363573](https://issuetracker.unity3d.com/issues/instantiated-fbx-through-code-throws-error-after-leaving-play-mode))
    
*   Scripting: Unity does not execute code weavers when the project is opened for the first time ([1350116](https://issuetracker.unity3d.com/issues/unity-does-not-execute-code-weavers-when-its-opened-for-the-first-time))
    
*   uGUI: Poor performance when loading or unloading a large Scene ([1360901](https://issuetracker.unity3d.com/issues/poor-performance-when-loading-or-unloading-a-large-scene))
    
*   Video: Crash on WindowsVideoMedia::StepAllStreams when reimporting a .m4v file ([1340340](https://issuetracker.unity3d.com/issues/crash-on-windowsvideomedia-stepallstreams-when-reimporting-a-m4v-file))
    
*   Vulkan: \[Editor\] The Scene's GameObjects textures are seemingly random and change colours depending on the Scene's Camera pos. ([1337772](https://issuetracker.unity3d.com/issues/vulkan-editor-the-scenes-gameobjects-textures-are-seemingly-random-and-change-colours-depending-on-the-scenes-camera-pos))
    
*   Window Management: Broken layout stops panels located in the top left corner of the Editor from rendering in the Karting Microgame project ([1367783](https://issuetracker.unity3d.com/issues/broken-layout-stops-panels-located-in-the-top-left-corner-of-the-editor-from-rendering-in-the-karting-microgame-project))
    
*   XR SDK: \[XR\]\[Linux\] Scene View doesn't render when opening new AR or VR Template project or pressing "Show Tutorials" ([1362435](https://issuetracker.unity3d.com/issues/xr-linux-scene-view-doesnt-render-when-opening-new-ar-or-vr-template-project-or-pressing-show-tutorials))
    

### 2021.1.26f1 Release Notes

#### Features

*   Version Control: Added light and dark mode versions of avatar icon.
    
*   Version Control: Added notification status icons.
    
*   Version Control: Workspace migration from Collab to Plastic which can be done with or without Plastic installed.
    

#### Improvements

*   Scripting: Add GameObject link to Warning message: "SendMessage cannot be called during Awake, CheckConsistency, or OnValidate.".

#### Changes

*   Version Control: Improved usage analytics around Editor and Plugin version.
    
*   Version Control: Workspace Migration Adjustments.
    

#### Fixes

*   Android: Fixed an issue where Display.systemWidth, Display.systemHeight and Screen.resolutions\[\] were not updated when folding/unfolding a Galaxy Fold device. ([1345508](https://issuetracker.unity3d.com/issues/android-display-dot-systemwidth-slash-height-value-isnt-updated-when-the-phone-is-folded-slash-unfolded))
    
*   Android: Fixed an issue where Java local reference was leaking in UnityWebRequest, VideoPlayer. ([1297185](https://issuetracker.unity3d.com/issues/android-using-videoplayer-dot-prepare-and-calling-10000-unitywebrequests-causes-the-app-to-crash-at-android-7-dot-0-or-lower))
    
*   Animation: Fixed a potential crash when generating asset previews, if destructive methods were called in user callbacks. ([1343886](https://issuetracker.unity3d.com/issues/crash-on-mustremovefromobject-when-reimporting-a-prefab))
    
*   Animation: Fixed an issue where the animation curve editor was swapping unintentionally when curves were edited in two different inspectors. ([1308938](https://issuetracker.unity3d.com/issues/animationcurves-start-to-change-in-the-edit-window-without-selecting-any-options-when-editing-curves-in-two-different-inspectors))
    
*   Asset Pipeline: Fixed an issue with fields with default values not being set to default value, if field was removed from assets. (1337405)
    
*   Asset Pipeline: Fixed an issue where the artifact dependency would get ignored. ([1318602](https://issuetracker.unity3d.com/issues/artifact-dependency-not-setup-when-used-with-lazyloadreference))
    
*   Audio: Fixed an issue where exposing multiple send levels in the audio mixer were not working correctly. Previously created mixers with exposed send levels will cause a warning to be logged on editor startup and the send levels will have to be re-exposed. ([1285638](https://issuetracker.unity3d.com/issues/audio-mixer-unable-to-expose-other-send-level-parameters-when-one-is-already-exposed))
    
*   Documentation: Fixed an incorrect measurement units for ArticulationDrive.forceLimit. (1369825)
    
*   Editor: Fixed a null reference exception when opening a popup window in some cases (when a previous popup window got somehow saved into a window layout). ([1295445](https://issuetracker.unity3d.com/issues/nullreferenceexception-is-thrown-in-the-console-when-trying-to-change-the-aspect-ratio-in-the-game-window))
    
*   Editor: Fixed an issue when launching a Linux standalone player whose folder was in $PATH. ([1339398](https://issuetracker.unity3d.com/issues/linux-build-executable-fails-to-start-when-being-run-through-an-environment-variable))
    
*   Editor: Fixed an issue where preset for ThemeStyleSheet was not disabled. ([1298540](https://issuetracker.unity3d.com/issues/ui-toolkit-nullreferenceexception-errors-are-thrown-on-selecting-tss-theme-file-preset-asset))
    
*   Editor: Fixed an issue where Reorderable list null item were not displayed correctly. ([1339759](https://issuetracker.unity3d.com/issues/controls-in-the-ui-debugger-overlap-when-inspecting-an-element-that-has-a-label-with-null-value))
    
*   Editor: Fixed an issue where ReorderableList elements when reordering would disapear. ([1353883](https://issuetracker.unity3d.com/issues/elements-of-large-2d-slash-3d-arrays-disappear-when-reordering))
    
*   Editor: Fixed an issue where the Avatar Stage editing closed on clicking anywhere in the Scene view or Hierarchy when two Inspector windows were used. ([1330120](https://issuetracker.unity3d.com/issues/avatar-mapping-tab-closes-when-trying-to-select-anything))
    
*   Editor: Fixed an issue where the gradient picker closed when clicking on the gradient field. ([1285035](https://issuetracker.unity3d.com/issues/gradient-window-opens-and-immediately-closes-when-double-clicking-the-gradient-field))
    
*   Editor: Fixed an issue where there was missing tooltips to the buttons of the _Simulator view Control Bar_. ([1288711](https://issuetracker.unity3d.com/issues/simulator-tooltips-are-missing-for-simulator-control-bar-buttons))
    
*   Editor: Fixed an issue where variables were not resolved before reading style values. (1297227)
    
*   Graphics: Fixed a Metal enforce depth clearing issue when "Don't care" load action was used, to avoid potential subtle issues later on. ([1330613](https://issuetracker.unity3d.com/issues/ios-ui-elements-are-invisible-on-ios-devices-when-using-additionaluirenderer))
    
*   Graphics: Fixed a crash when loading really large (more than 2GB size) meshes. ([1319594](https://issuetracker.unity3d.com/issues/untitled-7))
    
*   Graphics: Fixed a Mac Standalone Player memory leak issue that came with the change to presenting with CVDisplayLink. ([1365570](https://issuetracker.unity3d.com/issues/port-count-never-stops-increasing-in-standalone-build-on-mac-standalone))
    
*   Graphics: Fixed an alpha dilation filtering issue when a 16 bit-per-component texture with transparent pixels was imported. ([1355265](https://issuetracker.unity3d.com/issues/edge-artifacts-are-not-fixed-when-alpha-is-transparency-parameter-is-enabled-on-the-texture))
    
*   Graphics: Fixed an issue where frames were being unnecessarily dropped before presenting on Metal OSX when using CVDisplayLink. ([1363963](https://issuetracker.unity3d.com/issues/stuttering-movement-when-changing-gameobject-transforms-position))
    
*   Graphics: Fixed an issue where memory would leak from mesh due to mismatching memory labels. ([1362505](https://issuetracker.unity3d.com/issues/memory-leak-occurs-in-player-as-sharedgeometrybuffers-mismatches-memory-labels-for-new-and-delete))
    
*   Graphics: Fixed an issue where MeshRenderer was rendering a mesh when the MeshFilter had been removed while editing the prefab in context. ([1251154](https://issuetracker.unity3d.com/issues/prefab-instance-is-rendered-with-removed-mesh-filter-in-the-prefab-asset))
    
*   IL2CPP: Fixed a conversion issue on methods with ref readonly return values. (1367462)
    
*   IL2CPP: Fixed a possible crash in the GC code when the mark stack overflows while script debugging was enabled if many threads were created. ([1361799](https://issuetracker.unity3d.com/issues/build-crashes-with-unexpected-mark-stack-overflow-error-when-building-with-il2cpp))
    
*   IL2CPP: Fixed build issue with Linux player on Windows where builds would fail when the logged in user has a space in their username. ([1336012](https://issuetracker.unity3d.com/issues/linux-il2cpp-building-for-linux-with-il2cpp-from-windows-fails-if-your-system-username-contains-a-space))
    
*   iOS: Fixed an issue where erroneous ads were enabled.
    
*   macOS: Fixed an issue where the Xbox wireless gamepad triggers and DPAD were not working in the old Input. (1342338)
    
*   macOS: Fixed an issue where there was an inverted Y position of mouse cursor using New Input's Warp mouse. ([1311064](https://issuetracker.unity3d.com/issues/system-cursor-input-is-inverted-on-vertical-axis-when-using-a-gamepad))
    
*   Particles: Fixed a culling issue if a Particle System mesh had changed. ([1329097](https://issuetracker.unity3d.com/issues/particle-system-with-custom-mesh-culls-objects-incorrectly-when-the-meshes-should-be-partly-visible))
    
*   Particles: Fixed a stuttering slow-motion preview issue when using Custom Data. ([1365360](https://issuetracker.unity3d.com/issues/particle-system-is-stuttering-in-the-editor-when-using-custom-data-with-low-playback-speed))
    
*   Physics: Fixed an issue with edge selection when editing the PolygonCollider2D or EdgeCollider2D with large Transform scales. ([1361571](https://issuetracker.unity3d.com/issues/it-is-difficult-to-properly-edit-the-polygoncollider2d-collider-when-its-gameobject-scale-is-large))
    
*   Prefabs: Fixed Prefab sorting issue that re-arranged order of prefabs due to AddedComponents were not being handled properly. ([1252436](https://issuetracker.unity3d.com/issues/assetdatabase-dot-forcereserializeassets-modifies-data-when-used-on-a-prefab-with-a-nested-fbx-model))
    
*   Profiler: Fixed an issue where Profiler.GetTotalAllocatedMemoryLong reporting was increasing values while loading and unloading the same scene. ([1364643](https://issuetracker.unity3d.com/issues/profiler-dot-gettotalallocatedmemorylong-increases-when-scene-is-loaded-and-unloaded))
    
*   Scripting: Fixed errors that were appearing in console when using UI Toolkit package and opened the Profiler (Standalone Process). ([1346850](https://issuetracker.unity3d.com/issues/opening-the-profiler-standalone-process-causes-multiple-errors-when-the-project-has-the-ui-toolkit-package-installed))
    
*   Timeline: Fixed an issue where audio tracks did not respect audio listener pause state. ([1313186](https://issuetracker.unity3d.com/issues/audio-in-timeline-is-not-paused-when-the-audiolistener-dot-pause-is-set-to-true))
    
*   UI: Fixed an issue where calculation of size was incorrect for cameras that have a view rect set. ([1325324](https://issuetracker.unity3d.com/issues/viewport-rect-affects-ui-canvas-gameobjects-positions-when-canvas-render-mode-is-set-to-screen-space-camera))
    
*   UI: Fixed an issue where wrong aspect was used when a explicit aspect is assigned.
    
*   UI Toolkit: Fixed a wrong mouse position on events issue when a UI Toolkit element has mouse capture, the mouse was outside the element's editor window and that window did not 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: Fixed an exception thrown when repainting a panel that used a destroyed texture. ([1364578](https://issuetracker.unity3d.com/issues/uir-visualelement-drawn-with-a-destroyed-texture-throws-exception))
    
*   UI Toolkit: Fixed an issue where dragging on overlapping UIDocuments was broken when using EventSystem and StandaloneInputModule.
    
*   UI Toolkit: Fixed an issue where the pointer events were not working correctly when multiple UI Documents had 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))
    
*   Version Control: Fixed a CoreServices namespace naming conflict.
    
*   Version Control: Fixed an issue where there was a missing Enterprise login link.
    
*   Version Control: Fixed low resolution icons issue in light theme.
    
*   Version Control: Fixed some situations where the history window would be blank.
    
*   Windows: Fixed an issue where the Physics simulations and FixedUpdate was running while the splashscreen was being displayed on Windows Standlaone and Universal Windows Platform. ([1362362](https://issuetracker.unity3d.com/issues/gameobject-transform-position-changes-on-the-y-axis-when-running-a-build-of-the-project))