Unity 2020.3.40

Released:
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Known Issues in 2020.3.40f1

  • AI Navigation Core: NavMesh::Raycast freezes the whole editor in an infinite loop on Application.UpdateScene (UUM-2496)

  • Asset Bundles: AssetBundle indeterminism caused by mesh streaming info (UUM-12721)

  • GI: If a user is experience lighting coruption they be may required to reimport due to a fix to which correctly fixes a Uv unwrapping issue (1330830).

  • MacOS: Crash with demangling_unexpected_handler() when rapidly modifying serialized fields (UUM-3310)

  • XR SRP: Meta Quest performance loss between URP versions when built (UUM-15608)

2020.3.40f1 Release Notes

Features

  • Editor: Add com.unity.services.mediation@1.0.4

Improvements

  • 2D: Added bone weight index validation in SpriteSkin's validate method, to ensure valid data before continuing with deformation.

  • Asset Import: Reduced the time taken by refreshing the asset database, which among other things improves the performance of editing prefabs

  • Editor: Reduced the time taken to open inspectors by avoiding a pointless copy of a big thing behind the scenes

  • Multiplayer: Add Unity Netcode for Gamebjects Package 1.0.1

  • Multiplayer: Add Unity Transport Package 1.2.0

  • Scripting: Improved pop-up error messages when attaching scripts to GameObjects. (UUM-2557)

API Changes

  • iOS: Added: Added identifiers for iPhone 14 models.

Changes

  • Editor: Updated manifest.json to use com.unity.inputsystem package version 1.4.2

  • XR: Updated the verified version of AR Foundation related packages to 4.1.12.

Fixes

  • Android: Fixed crash when using UAV with Vulkan on older Mali devices (UUM-1957)

  • Android: [Backport] Fix for 2020.3: Static Image for Splash Screen Moving When Loading on Android Build (UUM-1803)

  • Audio: Fixed doc for GamepadSpeakerOutputType to be used exclusively for playstation 4, playstation 5 platforms and editor platforms only. (UUM-407)

  • Documentation: The "linear" parameter was stated to be true by default for Texture2DArray, this has been fixed. (UUM-8157)

  • DX12: Fixed crash that can occur when calling ComputeBuffer.GetData() with non zero computeBufferStartIndex parameter (UUM-11444)

  • GI: Fixed denoising issues with OIDN and OptiX denoisers on GPULM when using different values for direct lighting sample count and indirect lighting sample count. (UUM-2158)

  • Graphics: Fixed Texture2D.GetPixel(int x, int y, int miplevel) internally passing the miplevel parameter incorrectly.] (UUM-8157)

  • Graphics: Updated libjpeg-turbo to version 2.1.2 to solve security issues with version 1.3.1, used by Texture2D and ImageConversion LoadImage API and ImageConversion EncodeToJPG API. (UUM-4950)

  • IL2CPP: Avoid an intermittent crash in the .NET thread pool implementation when a thread is incorrectly removed from the pool twice. (UUM-11191)

  • IL2CPP: Avoid an intermittent crash on shutdown when many threads are waiting on a Monitor object inside for a C# lock statement. (UUM-10374)

  • IL2CPP: Correctly layout structures in memory with an explicit layout and a size parameter. (UUM-9100)

  • IL2CPP: Fixed crash when ill formed utf16 content is converted to utf8 (UUM-1801)

  • iOS: Fixed orientation handling on startup (when the phone is rotated between starting up and showing unity itself) (UUM-7461)

  • iOS: Stop Touch.rawPosition changing position when touch is dragged (UUM-7581)

  • Linux: Fixed print stack trace frequently crashing (UUM-1595)

  • Networking: Upgrade curl to 7.84.0 (UUM-11134)

  • Package Manager: HTML text cleaned up in details view. (UUM-7701)

  • Scene Manager: Opening a broken scene with light mapping enabled could crash the editor. (UUM-9319)

  • Scripting: Fix an issue where define constraints on unity's pre-defined symbols like "UNITY_INCLUDE_TESTS" were misbehaving for Precompiled assemblies (UUM-9378)

  • Scripting: Fix case when trying to serialize generics with generic fields of types from different assemblies. (UUM-8844)

  • Scripting: Fixed an issue where messages from the compiler containing special character were not correctly printed in the console (UUM-1935)

  • Serialization: Properly track managed-only classes so they are not stripped by the il2cpp linker. (UUM-4103)

  • VFX Graph: Stop rendering VFX shadows when VFX are disabled in Scene View visibility menu (UUM-4752)

  • Virtual Texturing: Added a notice regarding the experimental state of Virtual Texturing to the Player Settings editor.

  • Virtual Texturing: Added a warning for Procedural Virtual Texturing clarifying that the feature is not currently supported.

  • Virtual Texturing: The experimental state of Streaming Virtual Texturing and Procedural Virtual Texturing was not clearly indicated in the API docs and Manual, this has been corrected. For clarity, these features should not be used in production.

  • WebGL: Improve shader compilation performance problems on MacOS when GPU instancing is used. (UUM-6390)

  • Windows: Fixed mouse buttons do not get switched when the primary mouse button is changed. (UUM-3959)

  • XR: Fixed multiview is enabled when renderer is configured to SPI mode on PC (UUM-6003)

System Requirements

For development

OS: Windows 7 SP1+, 10, 64-bit versions only; macOS 10.13+. (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 10.13+ 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:

  • Desktop:

    • OS: Windows 7 SP1+, macOS 10.13+, Ubuntu 18.04+
    • Graphics card with DX10 (shader model 4.0) capabilities.
    • CPU: SSE2 instruction set support.
  • iOS player requires iOS 11.0 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

Package changes in 2020.3.40f1

Packages updated

Packages added

Changeset:
ba48d4efcef1

Third Party Notices

For more information please see our Open Source Software Licenses FAQ on the Unity Support Portal

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