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Known Issues in 2020.1.9f1
--: Wild memory leaks leading to StackAllocator::WalkAllocations crashes (1277110)
2D: Crash on Tilemap::ValidateAllTileAssets when opening a specific prefab or dropping it into the scene (1275562)
AI: A NavMeshAgent GameObject teleports to a near NavMeshSurface when collided with a moving NavMeshObstacle (1072945)
Asset Bundles: [Performance Regression] AssetBundleLoadAllAssets - Load_Prefabs_AllAssets is significantly slower than 18.4 (1203512)
Asset Bundles: [Performance Regression] AssetBundleLoadSingleAssets : LoadAsync_Prefabs_SingleAssets is significantly slower than 18.4 (1203511)
Asset Import Pipeline: Project Startup time slow due to unmatched Custom Dependencies (1276078)
Asset Import Pipeline: [Asset Import] Errors thrown on creating a project using microgame templates (1268154)
Asset Importers: [Performance Regression] Importing an fbx model is noticeably slower when the model contains Animations (1265275)
Audio: Unity crashes in Play Mode at FMOD_Resampler_Linear (928576)
Build Pipeline: Building subscenes without platform package doesn't work (1270120)
Global Illumination: Crashing with progressive GPU when baking lighting with the AZURE Nature demo scene (1277383)
Global Illumination: [OSX] Crash on 'Preparing Bake' stage when rebaking GI after changing lighting settings and clearing baked data (1271626)
Global Illumination: [macOS] BugReporter doesn't get invoked when the project crashes (1219458)
Global Illumination: gi::InitializeManagers() takes 0.6s during Editor startup (1162775)
IL2CPP: UnityLinker strips classes used with the SerializeReference attribute (1232785)
Linux: InputSystem not mapping keyboard keys properly on Linux (1275964)
MacOS: [Metal][Editor] Memory grows continuously until Editor crashes when importing 100k materials (1214197)
Mobile: [Android] Keyboard doesn't show up when trying to input text in an Input Field with Hide Mobile Input checked on Android 11 (1258071)
Mono: Crash with various stack traces when exiting Play Mode after recompiling scripts (1238859)
Package: [Reflect] Standalone build fails with package errors if Unity Reflect is installed (1266377)
Packman: Editor crashes when upgrading/downgrading between 2020.1 and 2020.2 (1276565)
Packman: [Performance] Compilation and refresh time increases after each script change - Packman (1274461)
Profiling: Profiler - RawFrameDataIterator ThreadID will always return 0 for profiler frame data loaded from .data files (1279213)
Scene Management: Allocated memory is not cleared when loading and unloading scenes (1275751)
Scene Management: Crash on GameObject::ActivateAwakeRecursivelyInternal when enabling a broken Prefab (1280054)
Scene/Game View: Editor locks up when applying a material to a prefab in isolation mode after renaming the prefab (1284799)
Scripting: Incorrect/mismatched defines in Editor code (1284818)
Scripting: Switching targets in SRP projects will cause XR errors on some platforms (1196164)
Scripting: [CompilationPipeline] Project recompile and package changes takes a long time when Project includes a lot of packages (1272396)
Scripting: [SerializedField] fields produce "Field is never assigned to..." warning (1080427)
Serialization: Prefab changes are not applied and an error occurs when changing fields that have SerializeReference attribute (1237191)
Serialization: [Performance]Console Pro in non-collapse mode and with large logs causes Slow asset refresh when modifying any script, 45 second (1270910)
Serialization: [SerializeReference] Polymorphic instances are always recreated when applying any inspector value change (1193322)
Shader System: Memory usage spikes to 8 GB causes machines with 8 GB RAM the Editor to freeze when building Creator Kit: FPS (1278110)
Shadows/Lights: Skybox lighting is not rendered after creating gameobjects in the new scene until the lighting is rebaked (1250293)
Shuriken: [Particles] Can't set Trail Material via Inspector (1284719)
Universal RP: Migrating from LWRP 2019.2.20f1 to URP 2020.1.0b5 causes ~38x increase of unused shader programs, slowing down shader warmup (1280001)
Version Control: Unity crashes when connecting to a perforce server with an invalid workspace name in the Project Settings (1275466)
WebGL: [Linux] WebGL build always fails and throws a FileNotFoundException (1268262)
iOS: [UaaL] UnityFramework with 3rd party plugins triggers watchdog termination after launch (1262272)
iOS: [iOS 14] VideoPlayer crashes on EXC_BAD_ACCESS or signal SIGABRT when audioOutputMode is set to APIOnly or Audio Source (1274837)
2020.1.9f1 Release Notes
System Requirements Changes
For running Unity games
- iOS: minimum version incremented to 10.0 (from 9.0).
2D: Fixed importing files with vector layers generates textures incorrectly for PSDImporter. (1266986)
2D: Fixed Sprite Variant Window does not appear in Sprite Shape Controller Component when selecting a Spline. (1267542)
2D: Fixed unable to add item on Resetting the Preset of the SpriteShapeProfile. (1242910)
2D: Updated optional dependency support for Collections to 0.9.0-preview.6 and Burst 1.3.3 for 2D Animation package. (1255839)
Android: Fixed framebuffer fetch on Adreno. (1271787)
Asset Import: Fixed such that changing TextureImporter in the inspector no longer affects instantiated Texture2D until Apply/Revert is pressed and a new import is triggered. (1241204)
Asset Import: Fixed the crash when using global search patterns. (1267138)
Audio: Fixed an issue where an audio clip playing on the Timeline and routed out via an Audio Component wasn't correctly using a Mixer asset when the output Audio Component's state was toggled. (1213824)
Editor: Added missing tooltips for Audio inspectors. (1258773)
Editor: Added validator for audio source object field in video player inspector. (1194100)
Editor: Fixed crash during player building where terrains are included in the build. (1273804)
Editor: Fixed so a GameObject that is copy pasted to a different parent does have the same world position as the original GameObject. (1268152)
Editor: Fixed such that NullReferenceException is thrown when calling AssetDatabase.OpenAsset after reopening Unity with the Project tab unfocused. (1274633)
Editor: Improved playback/scrubbing display when manually drawing multiple audio clip previews. (1271167)
Editor: Updated pubnub origin for collab to continue to support legacy TLS/SSL connections. (1274506)
GI: Fixed a regression to denoising quality when using the Optix denoiser with the GPU Lightmapper. (1272950)
GI: Fixed regression to denoising quality when using the OIDN denoiser with the GPU Lightmapper. (1272954)
GI: Fixed such that if a scene isn't baked/has no lightmaps, the value of its lightmaps mode will be ignored. (1259485)
Graphics: Added SRP batcher workaround for out of memory issues on Mali GPUs caused by high vertex load. (1281036)
Graphics: Fixed crash on Stadia during launch. (1278507)
Graphics: Fixed GetPixels on Texture2D that is compressed with Crunch to throw an exception and not crash. (1257655)
Graphics: Fixed memory leak that occurs when loading a Scene with Addressables.LoadSceneAsync which has a large number of Texture references. (1245368)
Graphics: GrabPass does not support Depth targets and only a single color target is supported. This applies to all platforms that we have. Added error check to prevent editor from crashing. (1208293)
GraphView: Added capability support to stacks, stack children, and groups to help better avoid unsupported behaviors. Specifically with grouping and heterogeneous selections.
IL2CPP: Fixed to allow reverse p/invoke to work with methods that are only called via reflection. (1271247)
Linux: Fixed keyboard keypad number input. (1280104)
macOS: Fixed building player with IL2CPP scripting backend when running on macOS Big Sur. (1259859)
macOS: Fixed modifier keys states after OS shortcut performed. (1268573)
Particles: Fixed uninitialized compute buffer access when using particle quads and gfx jobs. (1274445)
Profiler: Fixed an Assert and Deadlock getting triggered in ProfilerHistory::SetSelectedPropertyPath when called, e.g. via UnityEditorInternal.ProfilerDriver.selectedPropertyPath, while no frame data is loaded into the Profiler. (1278249)
Profiler: Fixed scroll wheel not working on thread names and repeat button not working on scroll bars. (1238871)
Scripting: Fixed a hang that would occur when there is incorrectly set time zone data in the windows registry. (1256569)
Scripting: Fixed issue where packets of a certain size would not get processed correctly and would cause the asynchronous task to timeout. (1276200)
Scripting: Fixed issue where RuntimeInformation.IsOSPlatform would check the filesystem for a .dylib to see if the operating system was OSX. It now will reference Environment.Platform which makes a native call to check which OS we are on. (1267836)
Scripting: Fixed performance regression when loading struct fields. (1276888)
Scripting: Fixed runtime crash when accessing invalid address under debugging. (1269030)
Scripting: Fixed such that invalid windows proxy configuration will no longer cause a NullReferenceException to be thrown in AutoWebProxyScriptEngine::InitializeRegistryGlobalProxy. (1269569)
Shaders: Fixed crash when importing a project from an external drive formatted as exFAT on MacOS. (727114)
Text: Fixed IME composition duplication on focus change of text fields. (989131)
Video: Fixed potential invalid memory access while executing queued video player script callbacks. (1270858)
Video: Fixed to respect enabled state of output audio sources. (1268769)
Windows: Fixed Chinese Windows IME initialising at wrong position, jumping to correct position after first symbol is typed. (1043535)
Windows: Fixed predictive text IME appearing in wrong location when inputting non-English text. (1171328)
- Animation: Added: Added a new parameter to the MatchTarget function for auto matching completion in case of interruption.
Multiplayer: Bumped multiplayer hlapi minimum package version to 1.0.6. (1267217)
XR: Updated the Oculus XR Plugin package to 1.5.0.
Animation: Improved the warning detecting clashes of animated property curve names, so it has fewer false-positives and isn't logged repeatedly. (1265854)
Editor: Added two new events to ObjectSelector: ObjectSelectorSelectionDone: An item in the list is double-clicked; and ObjectSelectorCanceled: The window was closed by explicitly pressing escape on the keyboard. (1279665)
Video: Improved to allow video player to use blob urls on webgl. (1265342)
XR: Updated api docs on XRDisplaySubsystem.scaleOfAllViewports and XRDisplaySubsystem.scaleOfAllRenderTargets.
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:
- 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