### Known Issues in 2017.4.37f1

*   Android: 64 bit Build with Physics.Processing runs at a very low FPS ([1186295](https://issuetracker.unity3d.com/issues/a-build-runs-at-a-very-low-fps-from-3-to-5-fps-on-huawei-mate-20-pro-when-the-project-is-built-with-64-bit-architecture))
    
*   Asset Bundles: Loading.LockPersistentManager object lock impacts performance during AssetBundle.LoadAssetAsync operation ([827299](https://issuetracker.unity3d.com/issues/loading-dot-lockpersistentmanager-object-lock-impacts-performance-during-assetbundle-dot-loadassetasync-operation))
    
*   iOS: Apps with UIApplicationExitsOnSuspend in info.plist failing to pass Apple Store validation ([1160614](https://issuetracker.unity3d.com/issues/ios-apps-with-uiapplicationexitsonsuspend-in-info-dot-plist-failing-to-pass-apple-store-validation))
    
*   uGUI: RectTransofrm resets it's coordinates to zero when selecting "Apply" on prefab even if no changes were made ([964111](https://issuetracker.unity3d.com/issues/recttransofrm-resets-its-coordinates-to-zero-when-selecting-apply-on-prefab-even-if-no-changes-were-made))
    

### 2017.4.37f1 Release Notes

#### Fixes

*   Android: Fixed bug where Input.GetKey returns false when S-Pen is being used on Samsung devices. ([1185531](https://issuetracker.unity3d.com/issues/android-input-dot-getkey-returns-false-when-when-s-pen-is-being-used-on-samsung-device))
    
*   Editor: Added flag kTypeIsEditorOnly trait to allow items to be pulled into build data depending on the situation. ([1190029](https://issuetracker.unity3d.com/issues/preview-animation-clip-are-included-in-the-asset-bundle-using-scripting-build-pipeline))
    
*   IL2CPP: Fixed Marshal.SizeOf not computing correct values for structs containing structs. ([1201175](https://issuetracker.unity3d.com/issues/il2cpp-marshal-dot-offsetof-returns-incorrect-offset-for-vector3))
    
*   iOS: Fixed crash when forcing Upside Down orientation on devices that don't support it. ([1192949](https://issuetracker.unity3d.com/issues/ios-build-crashes-when-orientation-is-set-to-portrait-upside-down-on-devices-without-home-button))
    
*   UI: Fixed nested canvases when using multiple display. ([1199299](https://issuetracker.unity3d.com/issues/dropdown-list-is-not-aligned-with-the-dropdown-field-in-standalone-build-when-using-multiple-screens-with-different-resolutions))
    
*   UI: Fixed sorting when rendering Camera and World space canvases on multiple displays. Screen space UI would cause Z testing to be disabled for any displays that were rendered after that display ([1199369](https://issuetracker.unity3d.com/issues/in-build-world-space-canvases-incorrectly-render-on-top-of-everything-when-multiple-displays-and-multiple-canvases-are-present))
    
*   WebGL: Fixed file access issues when using DownloadHandlerFile on WebGL. ([1189549](https://issuetracker.unity3d.com/issues/webgl-file-context-is-not-saved-when-downloading-it-with-webrequest-downloadhandlerfile-on-webgl-builds))
    
*   Windows: Fixed primary display leaving fullscreen when 2nd display activated. ([1207918](https://issuetracker.unity3d.com/issues/original-window-doesnt-enter-fullscreen-mode-when-launching-with-second-display-activated))
    
*   XR: Fixed stereo rendering on Gear VR and Oculus Go. ([1209695](https://issuetracker.unity3d.com/issues/stereoscopic-rendering-broken-on-2019-dot-2-14-plus-on-oculus-go))