Unity 2020.3.39

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Known Issues in 2020.3.39f1

  • 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)

2020.3.39f1 Release Notes


  • Documentation: Added a summary and code example for IJobParallelForTransform.

  • XR: Update Windows Mixed Reality default version to 4.6.4

API Changes

  • Android: Changed: Fix issue on Adreno where SystemInfo.maxComputeBufferInputsFragment is incorrectly report as greater than 4 on some devices (UUM-1870)

  • Android: Changed: Updated SupportsAccelerometer() API to return whether a device has an accelerometer sensor or not.


  • IAP: # Changelog
    ## [4.4.0] - 2022-07-11
    ### Added

    • GooglePlay - Google Play Billing Library version 4.0.0.

    • The Multi-quantity feature is not yet supported by the IAP package and will come in a future update. Do not enable Multi-quantity in the Google Play Console.

    • Add support for
      the [IMMEDIATE_AND_CHARGE_FULL_PRICE](https://developer.android.com/reference/com/android/billingclient/api/BillingFlowParams.ProrationMode#IMMEDIATE_AND_CHARGE_FULL_PRICE)
      proration mode. Use GooglePlayProrationMode.ImmediateAndChargeFullPrice for easy access.
      ### Fixed

    • GooglePlay - Fix IGooglePlayConfiguration.SetDeferredPurchaseListener
      and IGooglePlayConfiguration.SetDeferredProrationUpgradeDowngradeSubscriptionListener callbacks sometimes not being
      called from the main thread.

    • GooglePlay - When configuring IGooglePlayConfiguration.SetQueryProductDetailsFailedListener(Action retryCount), the action will be invoked with retryCount starting at 1 instead of 0.

    • GooglePlay - Added a validation when upgrading/downgrading a subscription that calls IStoreListener.OnPurchaseFailed with PurchaseFailureReason.ProductUnavailable when the old transaction id is empty or null. This can occur when attempting to upgrade/downgrade a subscription that the user doesn't own.

  • IAP: # Changelog
    ## [4.4.1] - 2022-08-11
    ### Fixed

    • GooglePlay - Fixed NullReferenceException and ArgumentException that would rarely occur due to a concurrency issue introduced in Unity IAP 4.2.0

    • Amazon - Set android:export to true to support Android API level 31+

  • Package: Bumped versions of Relay & QoS packages.

  • Text: Upgraded freetype to 2.12.1. (UUM-6502)

  • XR: Update OpenXR package version to 1.5.1


  • 2D: Fixed editor crash when calling SpriteAtlasUtility.PackAtlases (UUM-6965)

  • Android: Added mono audio output support. (UUM-9205)

  • Android: Bring back the ability to initialize UnityPlayer with Context class, this allows Unity to initialize itself from WallpaperService. (1413649)

  • Android: Fixed bug when building with IL2CPP and scaler types getting stripped out.

  • Android: Fixed bug with manual lifetime tests failing occasionally.

  • Android: Fixed bug with scaler not being initialized with settings from the Editor UI properly when using profiles.

  • Android: Fixed bug with test provider and settings showing up in Project Settings.

  • Android: Fixed crash during low memory kill. (UUM-4811)

  • Android: Fixed orientation issues in laptop mode and tablet mode on Chromebooks (UUM-782)

  • Android: Fixed screen distortion when minimizing and maximizing the app on ChromeOS (UUM-523)

  • Android: Toggling Build App Bundle in the Build Player Window will now prompt for a save location rather than attempting to use the last build location which would have been the incorrect type of package. (UUM-1692)

  • Asset Bundles: Fixed memarchive0 error when entering play mode (UUM-11182)

  • Audio: Fixed unexpected output from OnAudioFilterRead when the audio source is stopped and the 'spatialize' property is enabled. (UUM-6318)

  • Editor: Fix crash when creating a default 3D texture with an unsupported format on Metal (UUM-2996)

  • Editor: Fixed loading Scene Templates from Packages directories. (1360512)

  • GI: Fix for prefab assets showing in Light Explorer when Show Inactive Objects is checked. (UUM-835)

  • GI: Fixed a case where scene objects would lose their lighting data when they are packed into or unpacked from a prefab, and playmode is entered without first saving the scene. (UUM-11182)

  • Graphics: Fix crash when using bad args in CommandBuffer.DrawRenderer (HRB-20)

  • Graphics: Fixed ImageConversion.LoadImage and Texture2D.LoadImage always returning true even in case of a failure. (UUM-2528)

  • iOS: Disable capitalization, autocorrection and others when soft keyboard is secure and input is hidden (UUM-5974)

  • iOS: Fixed crash on warming up shader variants with procedural instancing (UUM-10114)

  • Kernel: Improved termination of player connection.

  • macOS: Fixed code sign of ppc fat dylibs. (UUM-2196)

  • Networking: Fixed texture leak when UnityWebRequest is used with DownloadHandlerTexture and a texture is never queried. (UUM-953)

  • Particles: Ensured Trigger Module does not ignore 2D Trigger Colliders. (1364520)

  • Particles: Skip draw call for gpu instanced mesh particle trails if using same material as particles. (UUM-7071)

  • Project Browser: Fixed context menu does not appear when holding Ctrl and pressing left mouse button in the Project window on Mac. (UUM-5191)

  • Scripting: Don't cast Mathf.Abs to float when passing a float value (increases performance). (UUM-1821)

  • Scripting: Fixed condition on accessing a game object from a callback while it was being constructed that was leaving the original GameObject managed wrapper in a detached state. (UUM-10043)

  • Shaders: DrawMeshInstanced now provides error feedback when using a shader that does not support instancing. (UUM-6026)

  • Shaders: Fixed HDRP Runtime test failure in Vulkan caused by incorrect shader code generation. (UUM-1834)

  • Terrain: Backports a bugfix that reduces the time taken by trees on awake. (UUM-4946)

  • Terrain: URP fails to render grass Terrain details. (UUM-9122)

  • uGUI: Fixed calculation of pointer position when running in multiple display mode and the main display was fullscreen with a non-native aspect ratio. (UUM-7893)

  • Universal Windows Platform: Fixed IL2CPP failing to initialize when invoked in background task. (UUM-9644)

  • Video: "Can't play movie" error is thrown when setting VideoPlayer.url to an invalid url through a script (UUM-11380)

  • Video: Fixed crash when importing a file in play mode. (UUM-9351)

  • Video: Videos fail to play on Standalone Windows players with some AMD GPUs. (UUM-900)

  • Video: [WIN 8 KN/N] VideoPlayer inadequate error reporting on errorReceived callback when Media Player is not present. (UUM-839)

  • WebGL: Added workaround for audio distortion bug in Safari. (1350204)

  • WebGL: Fix WebGL build on macOS 12.3 by bundling Python 2.7 (UUM-1136)

  • WebGL: Fixed bug where some control keys were being incorrectly interpreted as text. (1417650)

  • WebGL: Fixed changing AudioSource.time while audio source is paused. (UUM-1157)

  • WebGL: Fixed FMOD related error messages showing up in console when audio is played on Timeline. (1270635)

  • WebGL: Fixed non-finite double value error during audio playback. (UUM-11085)

  • Windows: Fixed crash on startup when Vjoy HID device is connected to a computer. (UUM-8786)

  • Windows: UnityPlayer.dll properties sheet is now more complete. (UUM-10370)

  • XR: Updated XR Legacy Input Helpers to 2.1.10.

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 2020.3.39f1

Packages updated

Packages added


Third Party Notices

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

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