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Known Issues in 2021.1.16f1

  • Ads: [Android] Unity Ad return app to Lock screen (1281041)

  • AI: Crash with ComputeTileMeshJob when generating Navmesh (1329346)

  • Asset Import Pipeline: Editor crashes while exiting play mode (1328667)

  • Asset Importers: [MacOS] Second Unity instance in Activity Monitor is "not responding” after importing (1331736)

  • Audio: Crash on AudioMixer_CUSTOM_FindSnapshot when passing null as an argument to FindSnapshot() (1341752)

  • Global Illumination: Crash while sculpting Terrain and Baking Lightmaps (1266511)

  • Global Illumination: [LightProbes] Probes lose their lighting data after entering Play mode when Baked and Realtime GI are enabled (1052045)

  • Graphics Device Backends: CommandBuffer native plugin events hang in the Editor (1308216)

  • IMGUI: Editor's Toolbar is sometimes replaced by a white bar when opening any Scene (1341951)

  • Input: Touch Input doesn't work in Play Mode when running an Editor on a Touchscreen device (1341159)

  • Linux: Editor crashes at 'GfxFramebufferGLES::SetBackBufferColorDepthSurface' or freezes when creating a new shortcut profile (1334874)

  • Linux: Linux Editor crashes at "_XFreeX11XCBStructure" when loading tutorials (1323204)

  • Metal: Performance in Game View is significantly impacted by Gfx.WaitForPresentOnGfxThread when a second monitor is connected (1327408)

  • Mobile: [Android] App stops due to OnPixelCopyFinishedListener not being supported on devices with lower than 24 SDK (1331290)

  • Mobile: [Android] Using TouchScreenKeyboard.Open with a non-empty placeholder multiple times causes the app to crash (1347370)

  • Mobile Graphics: [iOS] Player crashing when connecting external Display via USB-C port (1321153)

  • Packman: User can't easily configure location of both UPM and Asset Store package local cache (1317232)

  • Quality of Life: Crash in SerializedProperty::IsValid when reordering a SerializedProperty list (1320319)

  • Scene Management: Crash on BuildPrefabInstanceCorrespondingObjectMap when overriding nested prefab inside AssetDatabase.StartAssetEditing() block (1324978)

  • Scripting: Crashes on mono_class_init when entering Play Mode after recompiling scripts (1262671)

  • Scripting: DomainReloadTests performance tests have regressed due to removal of built-in support for Visual Studio as a code editor (1336648)

  • Scripting: Increased Script Assembly reload time (1323490)

  • Terrain: Terrain Lit Opacity as Density option causes alpha'd areas on the 5th layer or greater to appear with artifacts (1283124)

  • Video: Video player fails to start playing and null handle errors are thrown when running Unity Editor/Build with specific hardware (1237818)

  • Vulkan: Linux Editor using Vulkan crashes at " GfxDeviceVK::EnsureValidBackbuffer" when showing tooltips for ProBuilder buttons (1335846)

  • Windows: Editor crashes when exiting and keeping a tutorial project (1338299)

2021.1.16f1 Release Notes

Features

  • Android: Users can include custom asset packs into the build, by adding assets to the directory ending with '.androidpack'.

  • Android: When building Android App Bundle with Split App Binary enabled, Unity will create asset packs.

Improvements

  • Virtual Texturing: Tile requests are now returned via PopRequests more frequently.

  • Virtual Texturing: InvalidateRegion calls now generate new tile requests in their "importance" order. The importance is defined as a combination of the tile's screen space size and the the number of frames since the tile has been requested. This makes completing tile requests contribute more to the rendering result when InvalidateRegion is called continuously.

  • XR: Updated OpenXR package to 1.2.3

  • The Package Manager’s global cache root folder, which is used to store downloaded packages, can now be configured using the UPM_CACHE_ROOT environment variable or the cacheRoot key in the user configuration file

API Changes

  • Android: Added: New APIs to manage fast-follow and on-demand delivered asset packs. The APIs wrap Google's PlayCore functionality.

Changes

  • Android: Gradle Plugin version upgraded from 3.6.0 to 4.0.1.

  • Android: Gradle version upgraded from 5.6.4 to 6.1.1.

  • Timeline: Updated Timeline package version to 1.5.6

  • Virtual Texturing: Now PopRequests allows the destination list to have a different size than the texture stack's maxActiveRequests value.

Fixes

  • AI: Fixed an issue where the NavMesh was generated over a mesh marked as "Not Walkable". (1109195)

  • Asset Bundles: Fixed an issue where Texture Importer Inspector was no longer throwing errors when built-in texture inspector was overwritten. (1317450)

  • Asset Import: Fixed an issue where data in the Assets\StreamingAssets folder was being cached by the Unity Accelerator. (1295717)

  • Asset Pipeline: Fixed an issue where searching in the object selector would for some searches only show icons even if previews could be shown. (1309396)

  • Core: Fixed a message "Connection is no longer valid.Calling auto disconnect" issue. (1336988)

  • Editor: Fixed a InspectorWindow repaint regression between 2017.4 and 2019.4. (1320675)

  • Editor: Fixed an issue when running in Device Simulator, Touch.tapCount would no longer increased when taps happen in every frame. (1258166)

  • Editor: Fixed an issue where Command+Backspace was not deleting elements from reorderable arrays. (1329602)

  • Editor: Fixed an issue where the icon selector window did not close on selection undo. (1305625)

  • Editor: Fixed an issue where there more than one click was necessary to interact with game objects in play mode when clicking between multiple game views. (1327556)

  • Editor: Fixed an issue with context-click for reorderable lists in the mac editor. (1313317)

  • GI: Fixed ''PPtr cast failed when dereferencing! Casting from ScriptMapper to Texture!' when baking a second Reflection Probe in the Scene. (1317164)

  • Graphics: Fixed a hang when loading a texture from AssetBundles in the Editor that were built for other platforms. (1286994)

  • Graphics: Fixed an iAttachmentDescriptor.ConfigureResolveTarget() screen flip issue when resolving to backbuffer. (1327936)

  • Graphics: Fixed an issue when dynamic scaling was enabled and a Render Target was attached to a Camera the ScreenTo and ToScreen functions would no longer use the scaled viewport size, instead match the behaviour when a Render Target wasn't attached as per the documentation. (1329240)

  • Graphics: Fixed an issue where canvas was not rendering on the secondary screen, when there was no Cameras rendering to it too. (1340327)

  • Graphics: Fixed an issue where Encoding RFloat and RHalf to PNG, JPG or TGA would not encodes to a grayscale image. (1325643)

  • HDRP: Fixed an issue where an enabled GPU Instancing on a ShaderGraph Material would cause compile failures. (1338695)

  • HDRP: Fixed an issue where RenderGraph was missing support of motion vector.

  • HDRP: Fixed an issue with velocity rejection when using physically-based DoF.

  • Networking: Fixed an issue where the web request wasn't released incase of redirect to avoid memory leak.

  • Package Manager: Fixed a Not resolved variable found --icon-info console error.

  • Package Manager: Fixed an issue where function call traces from upm.log file were not removed. (1331947)

  • Package Manager: Fixed an issue where removing a project dependency using PackageManager.Client.Remove would throw an error when the project manifest has no dependencies property. (1324067)

  • Physics: Fixed an issue where Physics2D.SetLayerCollisionMask was not correctly updating all layers that had changed. (1345964)

  • Physics: Fixed an issue where the SurfaceEffector2D interact with 2D Trigger Colliders. (1337537)

  • Physics: Fixed an issue where there wasn't a fallback behaviour to Rigidbody2D when inactive when converting local/world space point/vector. (1344115)

  • Profiler: Fixed an issue in the System.Thread threads tracking and visualization in Timeline view of Profiler Window. (1339407)

  • Scripting: Fixed a crash when closing the editor after a failed AssetBundle.LoadFromStreamAsync operation. (1331280)

  • Scripting: Fixed an issue when including UIElements or Ui Builder packages, which could lead to errors when debug/release mode were changed.
    The error could also appear if changing a setting that would get the packages recompiled. (1314920)

  • Shadergraph: Fixed an issue with GPU instancing support in Shadergraph. (1319655)

  • UI Toolkit: Fixed a precision errors in gamma-linear conversions. (1317742)

  • UI Toolkit: Fixed an issue where a panel remained unresponsive to user interactions even if it contains elements with huge dimensions. (1324728)

  • URP: Fixed an issue where the SRP batcher was not working on OpenGL.

  • Virtual Texturing: Fixed an issue where a completed request not be incorrectly canceled if the last InvalidateRegion call was made before PopRequests.

  • WebGL: Fixed a playback of videos on iOS issue. (1288692)

Changeset: 5fa502fca597

Unity 2021.1.16

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