### Known Issues in 2018.4.12f1 * AI: Performance of NavMeshBuilder.UpdateNavMeshData spike up to 10 times ([1183826](https://issuetracker.unity3d.com/issues/performance-of-navmeshbuilder-dot-updatenavmeshdata-spike-up-to-10-times)) * Asset Importers: Crash on Marshalling::OutMarshaller when TextureImporter.ReadTextureSettings argument is null ([1187147](https://issuetracker.unity3d.com/issues/crash-on-marshalling-outmarshaller-when-textureimporter-dot-readtexturesettings-argument-is-null)) * Graphics - General: Editor crashes at MaterialScripting::Lerp when Renderer.material.Lerp() has a null material ([1117775](https://issuetracker.unity3d.com/issues/editor-crashes-at-materialscripting-lerp-when-renderer-dot-material-dot-lerp-has-a-null-material)) * Physics: Crash in physics PhysicsManager::Simulate ([1122684](https://issuetracker.unity3d.com/issues/crash-in-physics-physicsmanager-simulate)) * Profiling: "Other" category is not shown in the player Profiler graph if a sample is not selected ([1165477](https://issuetracker.unity3d.com/issues/other-category-is-not-shown-in-the-player-profiler-graph-if-a-sample-is-not-selected)) * Scene Management: Duplicated child nested prefab is not created in the same position ([1157320](https://issuetracker.unity3d.com/issues/duplicated-child-nested-prefab-is-not-created-in-the-same-position)) * Scene Management: Enabled Prefab is disabled after upgrading to Improved Prefabs ([1138224](https://issuetracker.unity3d.com/issues/enabled-prefab-is-disabled-after-upgrading-to-improved-prefabs)) * Scene Management: Transform::GetWorldToLocalMatrix crash during first import when accessing Components in Prefabs ([1159905](https://issuetracker.unity3d.com/issues/transform-getworldtolocalmatrix-crash-during-first-import-when-accessing-components-in-prefabs)) * Scripting: \[IL2CPP\] Development build fails with "il2cpp.exe didn't catch exception: System.IndexOutOfRangeException" ([1131053](https://issuetracker.unity3d.com/issues/il2cpp-development-build-fails-with-il2cpp-dot-exe-didnt-catch-exception-system-dot-indexoutofrangeexception)) * Serialization: Kaydara FBX Binary becomes a YAML file when Editor serializes changes ([1169079](https://issuetracker.unity3d.com/issues/kaydara-fbx-binary-becomes-a-yaml-file-when-editor-serializes-changes)) * iOS: \[iOS 13\] UnityWebRequest.SendWebRequest() crashes when opening local file with "file:///" prefix ([1183600](https://issuetracker.unity3d.com/issues/ios-13-unitywebrequest-dot-sendwebrequest-crashes-when-opening-local-file-with-file-slash-slash-slash-prefix)) ### 2018.4.12f1 Release Notes #### Fixes * Android: Fixed application crash when application is installed on SD card, and was built using app bundles, gradle.properties will contain new entry 'android.bundle.enableUncompressedNativeLibs=false'. ([1181365](https://issuetracker.unity3d.com/issues/android-crash-in-java-dot-lang-dot-unsatisfiedlinkerror-when-application-location-is-changed-to-sd-card-on-android-device), 1186613) * Asset Import: Fixed issue where curves and metaballs are not imported from .blend files. ([1173931](https://issuetracker.unity3d.com/issues/unity-blendertofbx-dot-py-is-missing-object-types-property-other-in-line-38), 1176203) * Asset Import: Fixed Produce a warning and prevent warnings spamming when trying to insert menu item when the insertion limit is reached. ([1181898](https://issuetracker.unity3d.com/issues/assertion-failed-failed-to-insert-item-name-xxx973-command-script3218), 1186710) * Audio: Fixed audio playing even when there is no Audio Listener in the scene. ([1087981](https://issuetracker.unity3d.com/issues/audio-is-playing-even-when-there-is-no-audio-listener-in-the-scene), 1188163) * Cache Server: Fixed video clip failing to upload to Cache Server when upgrading an old project to a newer version of Unity. ([1087082](https://issuetracker.unity3d.com/issues/video-clip-fails-to-upload-to-cache-server-when-upgrading-an-old-project-to-a-newer-version-of-unity), 1172067) * Editor: Added a mechanism for displaying an error message when any of the recent projects contain an invalid or missing Project Version file. ([1002683](https://issuetracker.unity3d.com/issues/merge-conflict-in-projectversion-dot-txt-causes-unable-to-parse-file-error-on-any-project-opened), 1173320) * Graphics: Ensure correct topology is set before rendering HDR split. (1178259, 1186864) * Graphics: Fixed shader compiler crash on some tessellation shaders without proper target pragma. ([1162342](https://issuetracker.unity3d.com/issues/shader-compiler-errors-are-occurring-when-using-hull-shader), 1175187) * IL2CPP: Support the latest Xcode version installed on the host computer when a Standalone OSX player is built. ([1188330](https://issuetracker.unity3d.com/issues/macos-project-with-scripting-backend-set-to-il2cpp-fails-to-build-after-installing-xcode-11)) * Scripting: Fixed bug where editor would fail to load correctly when an invalid or missing timezone was set in the windows registry. ([1169719](https://issuetracker.unity3d.com/issues/editor-window-is-black-when-timezonekeyname-is-invalid), 1185237) * Scripting: Fixed file handle/memory leak when loading Asset Bundles through UnityWebRequest. ([1152567](https://issuetracker.unity3d.com/issues/macos-dot-net-4-dot-x-unity-editor-crashes-when-trying-to-use-custom-cache-cleaner), 1186935) * UI: Fixed dragging when using multiple displays for Sliders, Scrollbars and InputField. ([1146233](https://issuetracker.unity3d.com/issues/ui-sliders-on-secondary-screens-do-not-respond-correctly-when-using-multiple-displays), 1183705) * UI: Fixed Input Field not functioning after restoring app with Win+D shortcut. ([1165961](https://issuetracker.unity3d.com/issues/input-field-editing-is-disabled-in-a-built-project-when-navigating-in-and-out-of-desktop-using-win-plus-d), 1189841) * UTR: In PlayerConnection and EditionConnection added TrySend(...) and changed Send(...) so it always deliver data. (1160182, 1181134) * WebGL: Fixed WebGL Brotli compression subdirectory "python" lacking permissions for Group and Other. ([1042108](https://issuetracker.unity3d.com/issues/macos-slash-linux-webgl-brotli-compression-subdirectory-python-lacks-permissions-for-group-and-other), 1162668) * XR: Added device name for HoloLens 2. (1161756, 1188263) * XR: Fixed an issue that was causing the depth buffer to lag the color buffer in Windows MR. ([1191487](https://issuetracker.unity3d.com/issues/unity-is-submitting-the-depth-buffer-to-a-the-next-frame-isntead-of-the-current-one), 1191494) * XR: Fixed SPI shader issue that was causing the right depth buffer to have the left depth buffer data. ([1190927](https://issuetracker.unity3d.com/issues/unity-submits-the-left-eyes-depth-buffer-for-both-eyes))