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Known Issues in 2021.1.26f1

  • Asset Bundles: Building process of the AssetBundles is slow when the file count is huge (1358059)

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

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

  • Global Illumination: [Enlighten] Fatal Error when closing the Editor while Generating Lighting (1354238)

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

  • IL2CPP: [Android] [IL2CPP] Old build artifacts are used when ARMv7 and ARM64 build follows a ARM64 only build from different git branch (1347245)

  • Input: Input.GetKey does not trigger when the mouse cursor is outside the Game window (1358134)

  • Input: Scrolling is jumping when scrolling in the Input Manager (1362327)

  • Inspector Framework: Long Layer names are not fully visible in the drop-down list when selecting it in the Inspector window from Script component (1366623)

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

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

  • Profiling: Profiler's timeline view loses context frames when frames go out of Frame Count bounds (1367470)

  • Scene Management: Instantiated FBX through code throws error after leaving Play Mode (1363573)

  • Scripting: Unity does not execute code weavers when the project is opened for the first time (1350116)

  • uGUI: Poor performance when loading or unloading a large Scene (1360901)

  • Video: Crash on WindowsVideoMedia::StepAllStreams when reimporting a .m4v file (1340340)

  • Vulkan: [Editor] The Scene's GameObjects textures are seemingly random and change colours depending on the Scene's Camera pos. (1337772)

  • Window Management: Broken layout stops panels located in the top left corner of the Editor from rendering in the Karting Microgame project (1367783)

  • XR SDK: [XR][Linux] Scene View doesn't render when opening new AR or VR Template project or pressing "Show Tutorials" (1362435)

2021.1.26f1 Release Notes


  • Version Control: Added light and dark mode versions of avatar icon.

  • Version Control: Added notification status icons.

  • Version Control: Workspace migration from Collab to Plastic which can be done with or without Plastic installed.


  • Scripting: Add GameObject link to Warning message: "SendMessage cannot be called during Awake, CheckConsistency, or OnValidate.".


  • Version Control: Improved usage analytics around Editor and Plugin version.

  • Version Control: Workspace Migration Adjustments.


  • Android: Fixed an issue where Display.systemWidth, Display.systemHeight and Screen.resolutions[] were not updated when folding/unfolding a Galaxy Fold device. (1345508)

  • Android: Fixed an issue where Java local reference was leaking in UnityWebRequest, VideoPlayer. (1297185)

  • Animation: Fixed a potential crash when generating asset previews, if destructive methods were called in user callbacks. (1343886)

  • Animation: Fixed an issue where the animation curve editor was swapping unintentionally when curves were edited in two different inspectors. (1308938)

  • Asset Pipeline: Fixed an issue with fields with default values not being set to default value, if field was removed from assets. (1337405)

  • Asset Pipeline: Fixed an issue where the artifact dependency would get ignored. (1318602)

  • Audio: Fixed an issue where exposing multiple send levels in the audio mixer were not working correctly. Previously created mixers with exposed send levels will cause a warning to be logged on editor startup and the send levels will have to be re-exposed. (1285638)

  • Documentation: Fixed an incorrect measurement units for ArticulationDrive.forceLimit. (1369825)

  • Editor: Fixed a null reference exception when opening a popup window in some cases (when a previous popup window got somehow saved into a window layout). (1295445)

  • Editor: Fixed an issue when launching a Linux standalone player whose folder was in $PATH. (1339398)

  • Editor: Fixed an issue where preset for ThemeStyleSheet was not disabled. (1298540)

  • Editor: Fixed an issue where Reorderable list null item were not displayed correctly. (1339759)

  • Editor: Fixed an issue where ReorderableList elements when reordering would disapear. (1353883)

  • Editor: Fixed an issue where the Avatar Stage editing closed on clicking anywhere in the Scene view or Hierarchy when two Inspector windows were used. (1330120)

  • Editor: Fixed an issue where the gradient picker closed when clicking on the gradient field. (1285035)

  • Editor: Fixed an issue where there was missing tooltips to the buttons of the Simulator view Control Bar. (1288711)

  • Editor: Fixed an issue where variables were not resolved before reading style values. (1297227)

  • Graphics: Fixed a Metal enforce depth clearing issue when "Don't care" load action was used, to avoid potential subtle issues later on. (1330613)

  • Graphics: Fixed a crash when loading really large (more than 2GB size) meshes. (1319594)

  • Graphics: Fixed a Mac Standalone Player memory leak issue that came with the change to presenting with CVDisplayLink. (1365570)

  • Graphics: Fixed an alpha dilation filtering issue when a 16 bit-per-component texture with transparent pixels was imported. (1355265)

  • Graphics: Fixed an issue where frames were being unnecessarily dropped before presenting on Metal OSX when using CVDisplayLink. (1363963)

  • Graphics: Fixed an issue where memory would leak from mesh due to mismatching memory labels. (1362505)

  • Graphics: Fixed an issue where MeshRenderer was rendering a mesh when the MeshFilter had been removed while editing the prefab in context. (1251154)

  • IL2CPP: Fixed a conversion issue on methods with ref readonly return values. (1367462)

  • IL2CPP: Fixed a possible crash in the GC code when the mark stack overflows while script debugging was enabled if many threads were created. (1361799)

  • IL2CPP: Fixed build issue with Linux player on Windows where builds would fail when the logged in user has a space in their username. (1336012)

  • iOS: Fixed an issue where erroneous ads were enabled.

  • macOS: Fixed an issue where the Xbox wireless gamepad triggers and DPAD were not working in the old Input. (1342338)

  • macOS: Fixed an issue where there was an inverted Y position of mouse cursor using New Input's Warp mouse. (1311064)

  • Particles: Fixed a culling issue if a Particle System mesh had changed. (1329097)

  • Particles: Fixed a stuttering slow-motion preview issue when using Custom Data. (1365360)

  • Physics: Fixed an issue with edge selection when editing the PolygonCollider2D or EdgeCollider2D with large Transform scales. (1361571)

  • Prefabs: Fixed Prefab sorting issue that re-arranged order of prefabs due to AddedComponents were not being handled properly. (1252436)

  • Profiler: Fixed an issue where Profiler.GetTotalAllocatedMemoryLong reporting was increasing values while loading and unloading the same scene. (1364643)

  • Scripting: Fixed errors that were appearing in console when using UI Toolkit package and opened the Profiler (Standalone Process). (1346850)

  • Timeline: Fixed an issue where audio tracks did not respect audio listener pause state. (1313186)

  • UI: Fixed an issue where calculation of size was incorrect for cameras that have a view rect set. (1325324)

  • UI: Fixed an issue where wrong aspect was used when a explicit aspect is assigned.

  • UI Toolkit: Fixed a wrong mouse position on events issue when a UI Toolkit element has mouse capture, the mouse was outside the element's editor window and that window did not have the active mouse capture from the OS. (1342115)

  • UI Toolkit: Fixed an exception thrown when repainting a panel that used a destroyed texture. (1364578)

  • UI Toolkit: Fixed an issue where dragging on overlapping UIDocuments was broken when using EventSystem and StandaloneInputModule.

  • UI Toolkit: Fixed an issue where the pointer events were not working correctly when multiple UI Documents had different Screen Match values. (1341135)

  • Version Control: Fixed a CoreServices namespace naming conflict.

  • Version Control: Fixed an issue where there was a missing Enterprise login link.

  • Version Control: Fixed low resolution icons issue in light theme.

  • Version Control: Fixed some situations where the history window would be blank.

  • Windows: Fixed an issue where the Physics simulations and FixedUpdate was running while the splashscreen was being displayed on Windows Standlaone and Universal Windows Platform. (1362362)

Changeset: 6f076387c01d

Unity 2021.1.26

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