Unity 6000.3.3f1

LTS

Released Thursday, January 8, 2026

AI Summary

Premium

Unity 6000.3.3f1 focuses on improving stability and performance across various modules, including Physics, Scripting, and Graphics. Key fixes address crashes, memory spikes, and rendering issues, while minor improvements enhance usability in the Editor and Package Manager.

Key Highlights

  • Physics improvements include exposed log verbosity settings and fixes for CharacterController rotation issues and heightfield creation performance.
  • Scripting enhancements include fixes for IL2CPP build issues on Windows and improved generic variance type checks.
  • Graphics fixes address issues with ACES tonemapping precision, camera alignment in URP samples, and memory spikes with Light2Ds.
  • Editor usability is improved with fixes for Add Component menu display and correct handling of project services access.
  • UI Toolkit and uGUI have received fixes for material property bleeding and canvas component warnings, respectively.

⚠️ Known Issues

  • UUM-131538 6000.4.0a3,6000.3.0b7: Crash on CheckDeviceStatus when executing specific InferenceEngine actions
  • UUM-125778 Metal: Game freezes after command buffer Timeout error
  • UUM-121453 Metal: [iOS] Screen flashing after the iOS splash screen
  • UUM-126803 Platform Audio: [Windows] Crash on AudioManager::InitFMOD when performing various actions in the Editor
  • UUM-130674 Shader System: Crash on keywords::PrintKeywordSpaceInfo when uninstalling Universal Render Pipeline in a specific project
  • UUM-130083 SRP Templates: Removed VR Module dependency prevents URP Sample from compiling
  • UUM-130350 uGUI Controls: [iOS][Android] OnSubmit event is triggered indefinitely on UGUI Input Field after dismissing keyboard on mobile
  • ### 6000.3.3f1 Release Notes

📈 Improvements

  • IL2CPP: Fixed some of the problems building the il2cpp.sln that is available to source code customers.
  • IL2CPP: Small performance improvement in generic variance type checks.
  • PHYS-681 Physics: Exposed log verbosity as a option within the physics pane in order to allow users to suppress some warnings/logs coming out of the PhysX integration. The new setting can be found under Edit->Project Settings->Physics->Settings within the GameObject tab.

🔄 Changes

  • Adaptive Performance: Made Adaptive Performance Android Provider package discoverable in the Unity Package Manager.

🔧 Bug Fixes

  • UUM-128496 2D: Fixed crash when SpriteRenderer with Polygon2DCollider has size of 0 for 9-slice.
  • UUM-126070 2D: Fixed issue where the correct values for the cell layout and sizing are not shown in a Tile Set importer inspector when the TileSet is selected or its changes are applied or reverted.
  • UUM-121040 2D: Fixed memory spike after activating Freeform Light2Ds.
  • UUM-120877 Asset Bundles: Fixed cache-related crash on iOS when loading assets.
  • UUM-129752 Audio: Fixed manual link for AudioRandomContainer inspector help button.
  • UUM-125673 Editor: Applied prefab override that contains proper transform values and materials.
  • UUM-126018 Editor: Delete the Meta file that was creating an empty folder.
  • UUM-127596 Editor: Fixed AddComponent menu not showing in certain multiple display layouts.
  • UUM-127073 Editor: Fixed AddComponent menu producing a warning when selecting Animation/Animation and other combinations that may use the same name for parent and child menu items.
  • UUM-102083 Editor: Fixed BRG,GRD and EG 16KiB cbuffer limited low end mobiles.
  • UUM-125675 Editor: Fixed cameras unaligned settings in SplitScreen scene in URP Package Sample.
  • UUM-125863 Editor: Fixed empty PassData class in URP Package Sample.
  • UUM-117277 Editor: Fixed error logs and incorrect UI state in Project Settings > Services when opening a project bound to an organization the user doesn't have access to. The Editor now correctly shows the "Refresh access" screen instead of logging errors.
  • UUM-129385 Editor: Fixed errors not being displayed in the Ray Tracing Shader inspector when creating a Ray Tracing Shader containing compilation errors using ShaderUtil.CreateRayTracingShaderAsset.
  • UUM-78682 Editor: Fixed exiting a viewpoint not reverting back to 2d mode.
  • UUM-127475 Editor: Fixed instance status icon shows `loading` after the scenario was cancelled in the scenario status dropdown.
  • UUM-127693 Editor: Fixed LinuxEditor accelerator key changes made by a context menu from persisting after the menu is closed.
  • UUM-125671 Editor: Fixed MixedFOV scene unapplied prefab in URP Package Sample.
  • UUM-125677 Editor: Fixed unapplied changed in prefab MainPanel in BlobShadow scene in URP Package Sample.
  • UUM-96606 Editor: Fixed Unity Editor not detecting Unity Hub installation on Linux. The Editor now correctly checks both user-local \(~/.local/share/applications/\) and system-wide \(/usr/share/applications/\) locations for the Hub desktop file, and properly respects the XDG_DATA_HOME environment variable.
  • UUM-126062 Editor: Flipped Y-axis for pointer input coordinates of NMouse in Input System.
  • UUM-125859 Editor: Removed unsused lighting setting file in URP Package Sample.
  • UUM-125864 Editor: Rename the particle systems with meaningful names.
  • UUM-127653 Editor: TaskCanceledException when stopping a play mode scenario.
  • UUM-129639 Engine Diagnostics: Fixed issue where binaries with a non-zero load address would not be symbolicated correctly in Engine Diagnostics.
  • UUM-112568 GI: Fixed a bug where loading a scene that contained light probe data, but was baked with "Baked Indirect" mode, caused a warning to be fired.
  • UUM-129727 GI: Fixed an issue where a warning would be displayed, and light probes would look incorrect when loading a scene lit only by Enlighten Realtime GI, and no baked GI.
  • UUM-116130 GI: Fixed an issue where the Meta pass was being incorrectly included in builds where it was not needed.
  • UUM-103724 Graphics: Allow to set Render Pipeline Asset alongside with Global Settings in case when Asset Bundles were used.
  • UUM-128966 Graphics: Fallback to main-thread skin matrix calculation for non-optimized SkinnedMeshRenderers when serialized with "m_DirtyAABB" set to true and "Update When Offscreen" is enabled.
  • UUM-125596 Graphics: Fixed floating point precision issue with ACES tonemapping.
  • UUM-126336 Graphics: Reduced excessive stack allocations from Camera::RenderEditorCamera.
  • UUM-127507 IL2CPP: Fixed a rare crash of the il2cpp executable on Windows.
  • UUM-125284 IL2CPP: Fixed C++ compilation error when a generic method on a generic class called another method on the same class with a different generic arguments.
  • UUM-129014 IL2CPP: `BEE_BUILD_THREADS` will now be respected when il2cpp is used to compile an exported project.
  • UUM-128971 Input System: Fixed multiple mouse button presses not processed after Mouse.current.WarpCursorPosition\(\) on Windows.
  • UUM-124996 Kernel: InvalidOperationException is no longer generated when scheduling an IJobParallelForDefer job with a NativeList that is tagged with \[NativeDisableContainerSafetyRestriction\].
  • UUM-129496 Package Manager: "Install" button remains active after installing a UPM package from Asset Store in the Package Manager window.
  • UUM-111251 Physics: Added the overflow: hidden property to the collision layer matrix container in order to no longer generate scroll bars when scaling down the project settings window.
  • PHYS-681 Physics: Fixed an issue where some logs messages coming from the PhysX integration would be ignored.
  • UUM-128624 Physics: Fixed an issue where transform sync would in some instances incorrectly change the CharacterController component's internal shape rotation. In the case of PhysX this manifested by bodies being flung out when hit from the "right side" which meant that the internal capsule was reverted to it's default orientation \(x-axis aligned in PhysX\).
  • UUM-120104 Physics: Improved performance of heightfield creation for terrain collider while async loading.
  • UUM-129517 Physics 2D: Ensure that all available project templates have the 2D physics project setting option of "Reuse Collision Callbacks" enabled.
  • UUM-130100 Scene/Game View: Fixed the size of the "Camera overscan settings" dropdown window.
  • UUM-128883 Shadergraph: Fixed documentation links for Dropdown, Property, Keyword, Custom Function and Redirect Nodes.
  • UUM-116514 Shaders: Fixed the issue where Missing dependency errors are thrown in the inspector when creating a computeshader and raytracingshader via cacheserver.
  • UUM-113118 Tests: TestSimulateTypingText_Alphabet unstable on iOS Simulator.
  • UUM-104029 Tests: TestSimulateTypingText_Numbers unstable on Android emulators.
  • UUM-128557 Text: Added justified text support to ATG.
  • UUM-129087 uGUI: Fixed a typo in Canvas Component warning.
  • UUM-128315 UI Elements: Fixed the Dynamic ListView not refreshing when an item is being added using MakeNoneElement with 0 height.
  • UUM-121402 UI Toolkit: Fixed errors when modifying the filter definition while using the UI Builder.
  • UUM-129665 UI Toolkit: Fixed material properties bleeding to the next element when material doesn't change.
  • UUM-125871 UI Toolkit: Fixed TextMesh component icon that was difficult to see in dark-mode.
  • UUM-115776 UI Toolkit: Removed UI Renderer from the Add Component menu.
  • UUM-129683 URP: Fixed URP unlit shader template.
  • UUM-126250 Web: Fixed regression of the emscripten build option "-sERROR_ON_UNDEFINED_SYMBOLS=0".
  • UUM-130285 WebGL: WebGPU: Fix for setting mip level for writable textures bound to compute shaders.
  • UUM-130122 WebGL: WebGPU: fix issue with setting a Texture2DArray as a render target with AllDepthSlices, only the first layer was cleared.
  • #### Package changes in 6000.3.3f1
  • #### Packages updated
  • com.unity.burst: 1.8.26 to 1.8.27
  • com.unity.remote-config: 4.2.2 to 4.2.4
  • com.unity.timeline: 1.8.9 to 1.8.10
  • com.unity.xr.openxr: 1.16.0 to 1.16.1
  • com.unity.ext.flatsharp: 1.1.3 to 1.1.4
  • com.unity.cloud.draco: 5.4.0 to 5.4.2
  • com.unity.cloud.ktx: 3.6.1 to 3.6.2

All Changes by Category

🎮2D(1)

fix

- UUM-128496 2D: Fixed crash when SpriteRenderer with Polygon2DCollider has size of 0 for 9-slice.

🎬Animation(1)

fix

com.unity.timeline: 1.8.9 to 1.8.10

📦Asset Pipeline(2)

fix

UUM-120877 Asset Bundles: Fixed cache-related crash on iOS when loading assets.

improvement

- Adaptive Performance: Made Adaptive Performance Android Provider package discoverable in the Unity Package Manager.

🏗️Build System(1)

fix

UUM-126250 Web: Fixed regression of the emscripten build option "-sERROR_ON_UNDEFINED_SYMBOLS=0".

📷Camera(1)

fix

UUM-130100 Scene/Game View: Fixed the size of the "Camera overscan settings" dropdown window.

⚙️DOTS(1)

fix

com.unity.burst: 1.8.26 to 1.8.27

🔧Editor(11)

fix

UUM-127693 Editor: Fixed LinuxEditor accelerator key changes made by a context menu from persisting after the menu is closed.

fix

UUM-127475 Editor: Fixed instance status icon shows `loading` after the scenario was cancelled in the scenario status dropdown.

fix

UUM-78682 Editor: Fixed exiting a viewpoint not reverting back to 2d mode.

fix

UUM-127596 Editor: Fixed AddComponent menu not showing in certain multiple display layouts.

fix

UUM-117277 Editor: Fixed error logs and incorrect UI state in Project Settings > Services when opening a project bound to an organization the user doesn't have access to. The Editor now correctly shows the "Refresh access" screen instead of logging errors.

fix

UUM-127073 Editor: Fixed AddComponent menu producing a warning when selecting Animation/Animation and other combinations that may use the same name for parent and child menu items.

improvement

UUM-126803 Platform Audio: [Windows] Crash on AudioManager::InitFMOD when performing various actions in the Editor

fix

UUM-116514 Shaders: Fixed the issue where Missing dependency errors are thrown in the inspector when creating a computeshader and raytracingshader via cacheserver.

fix

UUM-127653 Editor: TaskCanceledException when stopping a play mode scenario.

fix

UUM-126062 Editor: Flipped Y-axis for pointer input coordinates of NMouse in Input System.

fix

UUM-96606 Editor: Fixed Unity Editor not detecting Unity Hub installation on Linux. The Editor now correctly checks both user-local \(~/.local/share/applications/\) and system-wide \(/usr/share/applications/\) locations for the Hub desktop file, and properly respects the XDG_DATA_HOME environment variable.

📝General(12)

fix

com.unity.cloud.ktx: 3.6.1 to 3.6.2

improvement

UUM-125778 Metal: Game freezes after command buffer Timeout error

fix

UUM-129639 Engine Diagnostics: Fixed issue where binaries with a non-zero load address would not be symbolicated correctly in Engine Diagnostics.

fix

UUM-116130 GI: Fixed an issue where the Meta pass was being incorrectly included in builds where it was not needed.

fix

UUM-124996 Kernel: InvalidOperationException is no longer generated when scheduling an IJobParallelForDefer job with a NativeList that is tagged with \[NativeDisableContainerSafetyRestriction\].

fix

UUM-128883 Shadergraph: Fixed documentation links for Dropdown, Property, Keyword, Custom Function and Redirect Nodes.

fix

UUM-128557 Text: Added justified text support to ATG.

fix

UUM-128315 UI Elements: Fixed the Dynamic ListView not refreshing when an item is being added using MakeNoneElement with 0 height.

fix

com.unity.remote-config: 4.2.2 to 4.2.4

fix

com.unity.ext.flatsharp: 1.1.3 to 1.1.4

fix

com.unity.cloud.draco: 5.4.0 to 5.4.2

improvement

- UUM-131538 6000.4.0a3,6000.3.0b7: Crash on CheckDeviceStatus when executing specific InferenceEngine actions

🎨Graphics(24)

fix

UUM-128966 Graphics: Fallback to main-thread skin matrix calculation for non-optimized SkinnedMeshRenderers when serialized with "m_DirtyAABB" set to true and "Update When Offscreen" is enabled.

fix

UUM-125859 Editor: Removed unsused lighting setting file in URP Package Sample.

fix

UUM-125864 Editor: Rename the particle systems with meaningful names.

improvement

UUM-130083 SRP Templates: Removed VR Module dependency prevents URP Sample from compiling

fix

UUM-112568 GI: Fixed a bug where loading a scene that contained light probe data, but was baked with "Baked Indirect" mode, caused a warning to be fired.

fix

UUM-129727 GI: Fixed an issue where a warning would be displayed, and light probes would look incorrect when loading a scene lit only by Enlighten Realtime GI, and no baked GI.

fix

UUM-130285 WebGL: WebGPU: Fix for setting mip level for writable textures bound to compute shaders.

fix

UUM-103724 Graphics: Allow to set Render Pipeline Asset alongside with Global Settings in case when Asset Bundles were used.

fix

UUM-125596 Graphics: Fixed floating point precision issue with ACES tonemapping.

fix

UUM-126336 Graphics: Reduced excessive stack allocations from Camera::RenderEditorCamera.

fix

UUM-130122 WebGL: WebGPU: fix issue with setting a Texture2DArray as a render target with AllDepthSlices, only the first layer was cleared. #### Package changes in 6000.3.3f1 #### Packages updated

improvement

UUM-130674 Shader System: Crash on keywords::PrintKeywordSpaceInfo when uninstalling Universal Render Pipeline in a specific project

fix

UUM-129087 uGUI: Fixed a typo in Canvas Component warning.

fix

UUM-129665 UI Toolkit: Fixed material properties bleeding to the next element when material doesn't change.

fix

UUM-125871 UI Toolkit: Fixed TextMesh component icon that was difficult to see in dark-mode.

fix

UUM-129683 URP: Fixed URP unlit shader template.

fix

UUM-102083 Editor: Fixed BRG,GRD and EG 16KiB cbuffer limited low end mobiles.

fix

UUM-125675 Editor: Fixed cameras unaligned settings in SplitScreen scene in URP Package Sample.

fix

UUM-125863 Editor: Fixed empty PassData class in URP Package Sample.

fix

UUM-126018 Editor: Delete the Meta file that was creating an empty folder.

fix

UUM-129385 Editor: Fixed errors not being displayed in the Ray Tracing Shader inspector when creating a Ray Tracing Shader containing compilation errors using ShaderUtil.CreateRayTracingShaderAsset.

fix

UUM-125673 Editor: Applied prefab override that contains proper transform values and materials.

fix

UUM-125671 Editor: Fixed MixedFOV scene unapplied prefab in URP Package Sample.

fix

UUM-125677 Editor: Fixed unapplied changed in prefab MainPanel in BlobShadow scene in URP Package Sample.

📱Mobile(3)

fix

UUM-113118 Tests: TestSimulateTypingText_Alphabet unstable on iOS Simulator.

improvement

UUM-121453 Metal: [iOS] Screen flashing after the iOS splash screen

fix

UUM-104029 Tests: TestSimulateTypingText_Numbers unstable on Android emulators.

Performance(1)

fix

UUM-121040 2D: Fixed memory spike after activating Freeform Light2Ds.

Physics(6)

improvement

PHYS-681 Physics: Exposed log verbosity as a option within the physics pane in order to allow users to suppress some warnings/logs coming out of the PhysX integration. The new setting can be found under Edit->Project Settings->Physics->Settings within the GameObject tab.

fix

UUM-111251 Physics: Added the overflow: hidden property to the collision layer matrix container in order to no longer generate scroll bars when scaling down the project settings window.

fix

PHYS-681 Physics: Fixed an issue where some logs messages coming from the PhysX integration would be ignored.

fix

UUM-128624 Physics: Fixed an issue where transform sync would in some instances incorrectly change the CharacterController component's internal shape rotation. In the case of PhysX this manifested by bodies being flung out when hit from the "right side" which meant that the internal capsule was reverted to it's default orientation \(x-axis aligned in PhysX\).

fix

UUM-120104 Physics: Improved performance of heightfield creation for terrain collider while async loading.

fix

UUM-129517 Physics 2D: Ensure that all available project templates have the 2D physics project setting option of "Reuse Collision Callbacks" enabled.

📜Scripting(5)

fix

UUM-127507 IL2CPP: Fixed a rare crash of the il2cpp executable on Windows.

improvement

- IL2CPP: Fixed some of the problems building the il2cpp.sln that is available to source code customers.

fix

UUM-125284 IL2CPP: Fixed C++ compilation error when a generic method on a generic class called another method on the same class with a different generic arguments.

fix

UUM-129014 IL2CPP: `BEE_BUILD_THREADS` will now be respected when il2cpp is used to compile an exported project.

improvement

IL2CPP: Small performance improvement in generic variance type checks.

🖼️UI(7)

fix

UUM-126070 2D: Fixed issue where the correct values for the cell layout and sizing are not shown in a Tile Set importer inspector when the TileSet is selected or its changes are applied or reverted.

fix

UUM-121402 UI Toolkit: Fixed errors when modifying the filter definition while using the UI Builder.

fix

UUM-128971 Input System: Fixed multiple mouse button presses not processed after Mouse.current.WarpCursorPosition\(\) on Windows.

fix

UUM-129496 Package Manager: "Install" button remains active after installing a UPM package from Asset Store in the Package Manager window.

improvement

UUM-130350 uGUI Controls: [iOS][Android] OnSubmit event is triggered indefinitely on UGUI Input Field after dismissing keyboard on mobile ### 6000.3.3f1 Release Notes

fix

UUM-129752 Audio: Fixed manual link for AudioRandomContainer inspector help button.

fix

UUM-115776 UI Toolkit: Removed UI Renderer from the Add Component menu.

🥽XR(1)

fix

com.unity.xr.openxr: 1.16.0 to 1.16.1

View original release notes: Unity 6000.3.3f1 Release Notes