### Known Issues in 2020.2.1f1

*   Asset Import Pipeline: Prefabs are reimporting every time a code change is made ([1294785](https://issuetracker.unity3d.com/issues/prefabs-are-reimporting-every-time-a-code-change-is-made))
    
*   Asset Importers: \[Performance Regression\] Importing an fbx model is noticeably slower when the model contains Animations ([1265275](https://issuetracker.unity3d.com/issues/performance-regression-importing-an-fbx-model-is-noticeably-slower-when-the-model-contains-animations))
    
*   Audio: \[editor\]\[fmod\]\[macOS\] Editor is preventing Mac OS from entering sleep mode automatically ([995866](https://issuetracker.unity3d.com/issues/editor-is-preventing-mac-os-from-entering-sleep-mode-automatically))
    
*   Build Pipeline: \[Cache Server\] Building process freezes on compiling shader variants when connected to Accelerator ([1296800](https://issuetracker.unity3d.com/issues/cache-server-building-process-freezes-on-compiling-shader-variants-when-connected-to-accelerator))
    
*   Cloth: Skinned Mesh Renderer's Bounds Extent is set to half of the Transform's Scale when using a Cloth Component ([1209765](https://issuetracker.unity3d.com/issues/skinned-mesh-renderers-bounds-extent-is-set-to-half-of-the-transforms-scale-when-using-a-cloth-component))
    
*   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))
    
*   Installer: WindowsInstallerSet builder calculates compressed install sizes ([1297868](https://issuetracker.unity3d.com/issues/windowsinstallerset-builder-calculates-compressed-install-sizes))
    
*   Linux: InputSystem's Mouse delta values do not change when the Cursor lockState is set to Locked ([1248389](https://issuetracker.unity3d.com/issues/linux-inputsystems-mouse-delta-values-do-not-change-when-the-cursor-lockstate-is-set-to-locked))
    
*   Linux: Linux Editor tooltip shows up in the window switcher as a separate window ([1287440](https://issuetracker.unity3d.com/issues/linux-editor-tooltip-shows-up-in-the-window-switcher-as-a-separate-window))
    
*   Packman: Package Manager doesn't start anymore on Windows 7 ([1298330](https://issuetracker.unity3d.com/issues/package-manager-doesnt-start-anymore-on-windows-7))
    
*   Physics: A hard stack overflow happens when raycasting vs a dense mesh in BV4\_ProcessStreamKajiyaOrderedQ ([1297721](https://issuetracker.unity3d.com/issues/editor-crashes-when-raycasting-a-mesh-with-a-lot-of-triangles-located-very-close-to-each-other-or-opening-the-physics-debugger))
    
*   Profiling: Once paused, the Profiler does not resume recording when profiling WebGL player ([1271012](https://issuetracker.unity3d.com/issues/once-paused-the-profiler-does-not-resume-recording-when-profiling-webgl-player))
    
*   Profiling: \[Profiler\] Hierarchy randomly hides parts of the sample hierarchy if Editor Only Samples are present and set to be Collapsed ([1297955](https://issuetracker.unity3d.com/issues/profiler-hierarchy-randomly-hides-parts-of-the-sample-hierarchy-if-editor-only-samples-are-present-and-set-to-be-collapsed))
    
*   Project Browser: Icon size slider is missing in Project Browser in One Column Layout ([1295227](https://issuetracker.unity3d.com/issues/icon-size-slider-is-missing-in-project-browser-in-one-column-layout))
    
*   Scene Management: Crash on EditorUserSettings::UpdateRecentSceneConfigValues when opening multiple Scenes several times one by one through Script ([1294937](https://issuetracker.unity3d.com/issues/editor-crashes-after-opening-multiple-scenes-several-times))
    
*   Shader System: Freeze or crash with various stack traces when opening a project while connected to a VPN service ([1025558](https://issuetracker.unity3d.com/issues/editor-freezes-slash-crashes-when-connected-to-nordvpn))
    
*   Shadows/Lights: Skybox lighting is not rendered after creating gameobjects in the new scene until the lighting is rebaked ([1250293](https://issuetracker.unity3d.com/issues/skybox-lighting-is-not-shown-after-creating-new-gameobjects-in-the-new-scene))
    
*   Terrain: Normals don't appear around terrain holes ([1301214](https://issuetracker.unity3d.com/issues/terrain-normals-dont-appear-around-terrain-holes))
    
*   Terrain: Paint Holes Undo Action will corrupt Terrain Objects ([1299939](https://issuetracker.unity3d.com/issues/paint-holes-undo-action-will-corrupt-terrain-objects))
    
*   WebGL: \[Linux\] WebGL build always fails and throws a FileNotFoundException ([1268262](https://issuetracker.unity3d.com/issues/linux-webgl-build-always-fails-and-throws-a-filenotfoundexception))
    
*   XR: \[XR SDK\]\[Oculus\] EarlyUpdate.XRUpdate spikes inconsistently ([1262597](https://issuetracker.unity3d.com/issues/xr-sdk-oculus-earlyupdate-dot-xrupdate-spikes-inconsistently))
    

### 2020.2.1f1 Release Notes

#### System Requirements Changes

#### Fixes

*   Documentation: Fixed an issue with the editor documentation redirect links. (1300346)
    
*   Editor: Fixed an issue where the Asset Store tools were no longer working. ([1299815](https://issuetracker.unity3d.com/issues/asset-store-tools-do-not-work-in-2020-dot-2-unity-version))
    
*   WebGL: Fixed an audio clip autoplay regression in WebGL builds. ([1276713](https://issuetracker.unity3d.com/issues/audio-no-longer-plays-in-build))
    

#### 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 9.0 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