### Known Issues in 2021.3.0f1

*   Asset - Database: Texture size increased on first build when 'Compress Textures/Assets on Import' is enabled ([1397965](https://issuetracker.unity3d.com/issues/texture-size-increased-on-first-build-when-compress-textures-slash-assets-on-import-is-enabled))
    
*   Asset Bundles: Textures are not compressed when building bundles ([1412557](https://issuetracker.unity3d.com/issues/textures-not-compressed-when-building-bundles))
    
*   Asset Bundles: Spaces and symbols of the Project name are changed to hyphens causing "Invalid characters" warning in the Bundle Identifier ([1412412](https://issuetracker.unity3d.com/issues/spaces-and-symbols-of-the-project-name-are-changed-to-hyphens-causing-warnings-in-the-bundle-identifier))
    
*   Editor: Tooltips are not shown when hovering over name of the value in the Inspector ([1415921](https://issuetracker.unity3d.com/issues/tooltips-are-not-shown-when-hovering-over-name-of-the-value-in-the-inspector))
    
*   Dedicated Server: Data from mesh colliders are stripped in dedicated server builds ([1399961](https://issuetracker.unity3d.com/issues/dedicated-server-data-from-mesh-colliders-are-stripped-in-dedicated-server-builds))
    
*   DirectX11: Crash on GfxDeviceD3D11Base::ResolveDepthIntoTexture when opening the project ([1408785](https://issuetracker.unity3d.com/issues/crash-on-gfxdeviced3d11base-resolvedepthintotexture-when-opening-the-project))
    
*   Metal: Consistent EditorLoop 5-10ms spikes when using Metal API ([1378985](https://issuetracker.unity3d.com/issues/consistent-gfx-dot-waitforpresentongfxthread-5-10ms-spikes-when-using-metal-api))
    
*   Mono: \[Android\] "Found plugins with same names" error is thrown when building on Android with duplicate .dll files ([1373388](https://issuetracker.unity3d.com/issues/found-plugins-with-same-names-error-is-thrown-for-the-microsoft-extensions-logging-package-when-building-on-android-platform))
    
*   Scene/Game View: Camera resolution is set to default when opening the Editor ([1378321](https://issuetracker.unity3d.com/issues/camera-resolution-is-set-to-default-when-opening-the-editor))
    
*   Serialization: Editor crash when deserializing an array of a type with a nested fixed-size buffer field ([1400774](https://issuetracker.unity3d.com/issues/editor-crash-when-deserializing-an-array-of-a-type-with-a-nested-fixed-size-buffer-field))
    
*   Shader System: Editor crashes in Play mode when Groupshared memory and a constant buffer value is used in a compute shader on OpenGLES3 ([1413012](https://issuetracker.unity3d.com/issues/editor-crashes-in-play-mode-when-groupshared-memory-and-a-constant-buffer-value-is-used-in-a-compute-shader-on-opengles3))
    
*   Shadows/Lights: Scene is brighter in Standalone player if it was open in the Editor at build time ([1375015](https://issuetracker.unity3d.com/issues/scene-is-brighter-in-standalone-player-if-it-was-open-in-the-editor-at-build-time))
    
*   uGUI: Prefab is glitchy while editing in Prefab Mode when parent Canvas Render Mode is set to Screen Space - Camera ([1394756](https://issuetracker.unity3d.com/issues/prefab-is-glitchy-when-editing-in-prefab-mode-in-a-custom-ui-environment))
    
*   Vulkan: \[HDRP\] \[Vulkan\] Crash on vk::DataBuffer::CreateResource on opening Shader Graph Sample Project with Vulkan API ([1225488](https://issuetracker.unity3d.com/issues/hdrp-vulkan-crash-on-vk-databuffer-createresource-on-opening-shader-graph-sample-project-with-vulkan-api))
    
*   WebGL: WebGL Input System interactions are delayed or played preemptively when the project is built ([1405517](https://issuetracker.unity3d.com/issues/webgl-input-system-interactions-are-delayed-or-played-preemptively-when-the-project-is-built))
    

### 2021.3.0f1 Release Notes

#### Fixes

*   Universal Windows Platform: Fixed an issue where builds would hang on startup on HoloLens. ([1414288](https://issuetracker.unity3d.com/issues/app-doesnt-launch-on-hl2-uwp-after-update-to-2020-dot-3-32f1))