### Known Issues in 2018.4.13f1 * 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)) * Animation: Animator.Update CPU time spikes when multiple animations are playing ([1184690](https://issuetracker.unity3d.com/issues/animator-dot-update-cpu-time-spikes-when-multiple-animations-are-playing)) * 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: Shader is rendered incorrectly when loaded from an Asset Bundle made in Unity 2017.4 in a newer version ([1195750](https://issuetracker.unity3d.com/issues/shader-is-rendered-incorrectly-when-loaded-from-an-asset-bundle-made-in-unity-2017-dot-4-in-a-newer-version)) * Physics: Crash on PhysicsScene::ProcessTriggerEnterExits when splitting meshes that also exit a Trigger with OnTriggerExit ([1155827](https://issuetracker.unity3d.com/issues/crash-on-physicsscene-processtriggerenterexits-when-splitting-meshes-that-also-exit-a-trigger-with-ontriggerexit)) * 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)) * Shuriken: Semaphore.WaitForSignal causes a slow editor when entering Play mode ([1178300](https://issuetracker.unity3d.com/issues/semaphore-dot-waitforsignal-causes-a-slow-editor-when-entering-play-mode)) * uGUI: Upgrading the project results in missing System.Serializable UnityEvent function ([1196591](https://issuetracker.unity3d.com/issues/upgrading-the-project-results-in-missing-system-dot-serializable-unityevent-function)) ### 2018.4.13f1 Release Notes #### Fixes * 2D: Material and Sorting Layer fields of Sprite Renderer Component do not show Prefab Overrides in Inspector updated SortingLayerFields and SpriteRendererEditor to handle PrefabOverrides properly. ([1109376](https://issuetracker.unity3d.com/issues/material-and-sorting-layer-fields-of-sprite-renderer-component-do-not-show-prefab-overrides-in-inspector), 1169621) * Android: Added ability to disable symbols.zip generation when building apk or aab. * Android: Fixed an Android 10 video player bug, when playing local and external files. ([1168329](https://issuetracker.unity3d.com/issues/android-video-player-cannot-play-files-located-in-the-persistent-data-directory-on-android-10), 1190827) * Android: Fixed an Android video player crash. ([1166265](https://issuetracker.unity3d.com/issues/android-app-crashes-on-shutdown-when-freeing-resources-related-to-androidvideomedia), 1181383) * Android: Fixed Input.GetKey returning false when S-Pen is being used on Samsung device. ([1185531](https://issuetracker.unity3d.com/issues/android-input-dot-getkey-returns-false-when-when-s-pen-is-being-used-on-samsung-device), 1191907) * Android: Fixed the grab pass's temp texture output while in linear space to be of same color as the background and not brighter, given HDR is on. ([1088699](https://issuetracker.unity3d.com/issues/android-object-becomes-brighter-when-grabpass-is-used-and-color-space-is-set-to-linear), 1189764) * Animation: Fixed crash in AnimationClip when classID parameter hasn't been set for curve. ([1176555](https://issuetracker.unity3d.com/issues/macos-crashes-on-unityengine-animation-genericanimationbindingcache-creategenericbinding-while-importing-animation-asset), 1189725) * Apple TV: B' button ignores 'allowExitToHome' value on certain GamePads after the first suspend of the app. ([1179727](https://issuetracker.unity3d.com/issues/tvos-b-button-ignores-allowexittohome-value-on-certain-gamepads-after-the-first-suspend-of-the-app), 1181542) * Apple TV: Fixed crash on UnityGetJoystickName when calling GetJoystickNames and disconnecting/connecting controller. ([1181481](https://issuetracker.unity3d.com/issues/crash-on-unitygetjoystickname-when-calling-getjoysticknames-and-disconnecting-slash-connecting-controller), 1191408) * Asset Import: Fixed crashes handling corrupt prefabs. ([1131957](https://issuetracker.unity3d.com/issues/selecting-prefab-in-project-window-crashes-the-editor), 1154248) * Audio: Fixed mixing when an audio mixer playable is set as the source for an audio playable output without specifying a traversal port. ([1179486](https://issuetracker.unity3d.com/issues/playables-api-audiomixerplayable-plays-only-the-clip-from-first-input-when-crossfading-at-least-two-clips), 1194768) * Build Pipeline: 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), 1193004) * Editor: Corrected UTF8 clipping in truncate function, resolves occasional editor crash when changing variable fields with non-latin characters their name. ([1178558](https://issuetracker.unity3d.com/issues/macos-crash-when-setting-a-string-value-with-non-latin-letters), 1195140) * Editor: Default Native Resolution checkbox is ignored if custom resolution was set before. ([1183011](https://issuetracker.unity3d.com/issues/macos-default-is-native-resolution-checkbox-is-ignored-if-custom-resolution-was-set-before), 1191388) * Editor: Fixed a problem in the PersistentManager where it's global state can in some situations become corrupted. ([1178508](https://issuetracker.unity3d.com/issues/assetbundle-the-referenced-script-unknown-on-this-behaviour-is-missing-has-occurred-when-loading-assetbundle), 1193358) * Editor: Fixed crash when importing videos on a machine with more than 16 cores. * Editor: Fixed incorrect handling of Unicode characters that use 2 bytes in the application file name when building the Player. ([1169358](https://issuetracker.unity3d.com/issues/japanese-diacritic-symbols-are-missing-from-the-build-executable-file-when-building-the-project), 1173301) * Editor: Fixed play mode freezes for some time after pressing any hotkey. ([1185757](https://issuetracker.unity3d.com/issues/play-mode-freezes-for-some-time-after-pressing-any-hotkey), 1186916) * Graphics: Don't set the dirty state on LineRenderers when updating properties with identical values. ([1179048](https://issuetracker.unity3d.com/issues/onvalidate-is-called-every-frame-on-prefab-asset), 1189607) * Graphics: Fixed crash in VFXExpressionContainer::EvaluateExpressions when the Count of a Sequential Circle is 0 (and integer division by zero in general). ([1167222](https://issuetracker.unity3d.com/issues/visual-effect-graph-crash-on-vfxexpressioncontainer-evaluateexpressions-when-the-count-of-a-sequential-circle-is-0), 1175179) * Graphics: Fixed displayed color is lighter after calling Camera.Render() or RenderDontRestore(). ([1169586](https://issuetracker.unity3d.com/issues/mobile-displayed-color-is-lighter-after-calling-camera-dot-render-or-renderdontrestore), 1170436) * iOS: Fixed autocorrect not working with the touchscreen keyboard. ([1183034](https://issuetracker.unity3d.com/issues/autocorrect-is-not-shown-when-typing), 1192982) * iOS: Fixed crash on malformed file:// URI in UnityWebRequest. ([1183600](https://issuetracker.unity3d.com/issues/ios-13-unitywebrequest-dot-sendwebrequest-crashes-when-opening-local-file-with-file-slash-slash-slash-prefix), 1189511) * iOS: Fixed identification of iPad 6th (it used to be identified as iPadPro10Inch2Genor or iPadUnknown with iOS.Device.generation. ([1065983](https://issuetracker.unity3d.com/issues/ios-ipad-6th-generation-is-identified-as-ipadpro10inch2genor-or-ipadunknown-with-ios-dot-device-dot-generation), 1144363) * iOS: Fixing an issue where the keyboard could not be dismissed and keyboard input stopped after device sleep. ([1187333](https://issuetracker.unity3d.com/issues/ios-13-if-the-keyboard-is-brought-up-and-the-device-goes-to-sleep-after-waking-the-device-the-keyboard-cannot-be-dismissed), 1190313) * iOS: Gave proxy drawable textures names and made them not be backed by memory if they're not in use. ([1167629](https://issuetracker.unity3d.com/issues/ios-metal-using-xcode-gpu-frame-capture-extra-unused-screen-sized-textures-can-be-seen-on-metal), 1188479) * Mobile: Fixed an issue that caused a black screen when enabling or disabling real-time light at runtime on Vulkan when using multiple render passes with MSAA. ([1144830](https://issuetracker.unity3d.com/issues/android-gles3-images-are-rendered-after-a-delay-on-some-devices), 1169512) * Particles: Apply Transform changes immediately when using scripted Emission. ([1181119](https://issuetracker.unity3d.com/issues/first-emitted-particle-ignores-transform-rotation-changes-when-using-particle-emit-system), 1189606) * Particles: Apply Vertex Streams button in the Standard Particle Shader UI now correctly applies changes to Prefabs. ([1180096](https://issuetracker.unity3d.com/issues/applying-vertex-stream-layout-to-a-particle-system-does-not-work-in-prefab-mode), 1189605) * Particles: Fixed crash when switching from Ribbon to Particles mode in the Trail module. ([1184316](https://issuetracker.unity3d.com/issues/editor-crash-on-particlesystemgeometryjob-schedulejobs-when-changing-trailmode-from-ribbon-to-particles-and-emission-is-enabled), 1189601) * Particles: Fixed inherit size option on sub-emitter when parent system is using non-uniform size. ([1185614](https://issuetracker.unity3d.com/issues/sub-emitter-particles-width-is-twice-its-height-when-separate-axes-in-the-size-over-lifetime-module-is-enabled-and-set-to-1), 1189604) * Particles: Fixed normals and tangents being wrong in various particle setups. ([1179834](https://issuetracker.unity3d.com/issues/graphics-particles-normals-and-tangents-in-particle-system-are-incorrect-with-specific-particle-settings), 1189595) * Physics: Fixed crash that happened during simulation right after destroying a hierarchy of GOs that had nested Rigidbody components attached. ([1122684](https://issuetracker.unity3d.com/issues/crash-in-physics-physicsmanager-simulate), 1158547) * Physics: Fixed issue with RaycastNonAlloc getting stripped when PhysicsRayster required it, i.e. Using MaxRayInteractions value more than 0 doesn't work. ([1076650](https://issuetracker.unity3d.com/issues/ios-using-maxrayinteractions-value-more-than-0-doesnt-work-on-ios-device), 1188674) * Prefabs: Fixed really old prefabs not being correctly activated. ([1138224](https://issuetracker.unity3d.com/issues/enabled-prefab-is-disabled-after-upgrading-to-improved-prefabs), 1178759) * Prefabs: Made sure FindObjectsOfType does not find prefab assets objects during prefab import. ([1159905](https://issuetracker.unity3d.com/issues/transform-getworldtolocalmatrix-crash-during-first-import-when-accessing-components-in-prefabs), 1178763) * Prefabs: Properly handle file with .prefab extension even though they are not prefabs. ([1164341](https://issuetracker.unity3d.com/issues/non-prefab-assets-with-prefab-extension-are-incorrectly-handled-by-the-prefab-importer), 1178761) * Profiler: Fixed "Other" Category not shown in Charts and hiding VSync time ([1165477](https://issuetracker.unity3d.com/issues/other-category-is-not-shown-in-the-player-profiler-graph-if-a-sample-is-not-selected), 1189044) * Profiler: Fixed Timeline View not using a ColorSafe Palette ([1101387](https://issuetracker.unity3d.com/issues/profiler-color-changes-are-not-reflecting-on-selecting-color-blind-mode-in-profiling-timeline), 1189042) * Timeline: Fixed an issue where Playable Director's "Playable" field was missing the prefab override contextual menu. ([1167365](https://issuetracker.unity3d.com/issues/playable-directors-playable-field-lacks-context-menu-when-overriding-it-to-a-prefab), 1170064) * Timeline: Fixed issue where Animation Events were fired twice when the Playable Director Wrap mode is set to Loop. ([1173281](https://issuetracker.unity3d.com/issues/animation-event-in-timeline-triggers-twice), 1185452) * Timeline: Fixed issue with Control Track that were not destroying the sub-graph when preview mode was toggled off. ([1156913](https://issuetracker.unity3d.com/issues/ui-gameobjects-directors-current-time-is-not-reset-to-0-when-it-ends-on-the-last-frame-of-the-playabledirector), [1170716](https://issuetracker.unity3d.com/issues/post-playback-state-of-an-activation-track-does-not-trigger-when-another-timeline-with-a-control-track-is-disabled), 1174991, 1175073) * Timeline: Fixed Repaint being called every frame when Timeline window is opened and a Playable Director is added to a GameObject. ([1172707](https://issuetracker.unity3d.com/issues/panelupdate-is-called-every-frame-when-timeline-is-opened-and-playable-director-with-an-empty-playable-field-is-selected), 1181761) * Web: Added additional logging in case of failure. (1101441, 1188384) * XR: Fixed Hololens 2 camera snapshots not containing Unity app content.