Unity 6000.3.5f1

LTS

Released Wednesday, January 21, 2026

⚠️ Known Issues

UUM-132332 6000.0.54f1: 100% crash rate when loading two profiler captures in the Profile Analyzer compare tool
UUM-132182 6000.0.55f1,6000.3.0a4: Crash on RaiseException when creating a multiplayer room while toggling UI
UUM-131104 6000.0.64f1: [DX12] [Win11 ARM64] Machine crashes and restarts while trying to create a new project
UUM-131198 6000.3.0a1: Last selected asset before docking Animation window gets selected when a domain reload occurs
UUM-132303 6000.3.0a1: The Editor Freezes and leaks Memory when cancelling the switch of the Default Render Pipeline while using the Advanced Object Selector
UUM-131962 6000.3.0b1,6000.0.65f1: Editor freezes when QualitySettings.maxQueuedFrames is set to 1 and DX12 is used
UUM-131707 6000.5.0a1,6000.3.2f1: Crash with multiple stack traces when using DX12 and selecting all spline knots
UUM-130881 iOS: Rendering freezes and UnityGfxDeviceWorker crash when Show Splash Screen is enabled and Project is built using Unity as a Library
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-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
### 6000.3.5f1 Release Notes

🔧 Bug Fixes

UUM-130899 2D: Fixed SpriteAtlas.GetSprite/GetSprites methods return incorrect position when processing the sprites.
UUM-128821 Audio: Fixed exception thrown when allocating a native collection in scriptable generator control callbacks.
UUM-131538 DX12: Fixed a crash that occurred on CheckDeviceStatus when executing specific InferenceEngine actions.
UUM-125732 Editor: Allocator.Domain will print an error if over capacity, instead of crashing.
Editor: Editor: Added the ability to opt out of the "Unsaved Changes" popup in the main toolbar.
UUM-131184 Editor: Fixed access violation in Unity Crash Handler while processing crash if connection settings are not setup.
UUM-127533 Editor: Fixed certain Color fields not updating after the first click in UIToolkit Debugger.
UUM-131205 Editor: Fixed crash when using invalid font with ATG.
UUM-128667 Editor: Fixed ellipsis missing or misplaced in ATG.
UUM-128921 Editor: Fixed Frame Debugger disconnecting when Render Graph Viewer is closed.
UUM-114440 Editor: Fixed item not placing at edge of main toolbar during edit mode.
UUM-122222 Editor: Fixed Long File Name Error When Build Profile Name Has Many Symbols.
Editor: Fixed overlay resizing sometimes not being available after resizing the window.
UUM-128744 Editor: Fixed prefab saving whilst still editing its field in the Prefab Stage.
UUM-128282 Editor: Fixed Some Build Profile settings do not remain checked when launching a project without the /Library folder through the command line.
UUM-126940 Editor: Fixed unrooted memory labels for ATG.
UUM-126941 Editor: Fixed unrooted memory labels for TextCore.
UUM-131444 Editor: Fixed word selection with punctuation on ATG.
Editor: Multiple small overlay dynamic panel fixes.
UUM-103526 Editor: QOL Improvement: Reset the text field when adding a new element.
UUM-128985 Editor: Reverted changes that caused unsaved scene changes to be lost during builds.
UUM-129040 Editor: Reverted the EventModifiers move.
UUM-122236 Editor: Updated MeshLOD generator to work with any vertex format in the input mesh. Previously, unexpected formats like Float16 positions could result in incorrect LOD generation or crashes.
UUM-91203 Graphics: Fixed freeze with particle systems when using Vulkan.
UUM-128741 Graphics: Fixed transient AA depth in renderpass not getting memoryless.
UUM-125554 iOS: Fixed DXT support on iOS \(on devices that support it\).
UUM-129367 iOS: Fixed iOS 26 logs appearing as <private> in Console app.
UUM-129085 Linux: Fixed New lines not registering in Multi-line UI text boxes.
UUM-130882 Networking: Fixed an issue that caused PROTOCOL_ERROR with UnityWebRequest when doing HTTP/2 POST operations of more than 600kb.
Package Manager: Fixed an issue where `Client.Search` and `Client.SearchAll` returned incorrect `resolvedPath` values for uninstalled module packages.
UUM-131683 Physics 2D: Fixed an issue where SegmentGeometry.forward was inverted.
UUM-131683 Physics 2D: Fixed various issues with PhysicsMask including IsBitSet, AreBitsSet and both ResetBitIterator and SetBitIterator.
UUM-131464 Profiler: Fixed errors occurring when profiling with an extremely wide or tall game view.
UUM-130102 Shaders: Fixed a crash in ShaderUtil.GetPassKeywords when called with ShaderType.RayTracing.
UUM-130674 Shaders: Fixed a rare crash when uninstalling Universal Render Pipeline package.
UUM-131278 Shaders: Improved shader compilation logging when doing builds.
UUM-129124 SRP Core: Render Graph Viewer - Fixes broken RG viewer window when switching the platform in the Editor.
UUM-128844 SRP Core: Render Graph Viewer - Fixes incorrect data source labeling when a remote standalone build disconnects.
UUM-128869 SRP Core: Render Graph Viewer - NullReferenceException that occurs when entering/exiting Play Mode while the Render Graph Viewer is paused.
UUM-128163 UI Toolkit: Fixed ContextualMenuManager not overridable.
UUM-129346 UI Toolkit: Fixed texture sampling artifact in UITK shade code.
UUM-131755 UI Toolkit: Improved documentation around FrameUpdate\(\) and EditorWindows.
UUM-129979 WebGL: WebGPU: Fix compute pipeline error when a RWTexture is read-only.
UUM-131803 WebGL: WebGPU: Fix maxComputeWorkGroupSize limit, which was previously set too high and could cause compute shaders to fail on some browsers.

📦 Packages Updated

com.unity.addressables: 2.7.4 to 2.8.0
com.unity.recorder: 5.1.3 to 5.1.4
com.unity.bindings.openimageio: 1.0.1 to 1.0.2
com.unity.scriptablebuildpipeline: 2.4.3 to 2.5.1
com.unity.services.authentication: 3.5.2 to 3.6.0
com.unity.netcode.gameobjects: 2.7.0 to 2.8.0
com.unity.polyspatial: 3.0.3 to 3.0.5
com.unity.polyspatial.visionos: 3.0.2 to 3.0.5
com.unity.polyspatial.xr: 3.0.2 to 3.0.5
com.unity.polyspatial.extensions: 3.0.2 to 3.0.5
com.unity.xr.visionos: 3.0.2 to 3.0.5
com.unity.asset-manager-for-unity: 1.9.0 to 1.9.1

All Changes by Category

🎮2D(1)

fix

- UUM-130899 2D: Fixed SpriteAtlas.GetSprite/GetSprites methods return incorrect position when processing the sprites.

🎬Animation(1)

improvement

UUM-131198 6000.3.0a1: Last selected asset before docking Animation window gets selected when a domain reload occurs

📦Asset Pipeline(4)

fix

UUM-129085 Linux: Fixed New lines not registering in Multi-line UI text boxes.

fix

UUM-130674 Shaders: Fixed a rare crash when uninstalling Universal Render Pipeline package.

improvement

com.unity.asset-manager-for-unity: 1.9.0 to 1.9.1

fix

Package Manager: Fixed an issue where `Client.Search` and `Client.SearchAll` returned incorrect `resolvedPath` values for uninstalled module packages.

🔊Audio(1)

fix

UUM-128821 Audio: Fixed exception thrown when allocating a native collection in scriptable generator control callbacks.

🔧Editor(21)

fix

UUM-129040 Editor: Reverted the EventModifiers move.

improvement

UUM-132303 6000.3.0a1: The Editor Freezes and leaks Memory when cancelling the switch of the Default Render Pipeline while using the Advanced Object Selector

fix

UUM-125732 Editor: Allocator.Domain will print an error if over capacity, instead of crashing.

fix

Editor: Editor: Added the ability to opt out of the "Unsaved Changes" popup in the main toolbar.

fix

UUM-131184 Editor: Fixed access violation in Unity Crash Handler while processing crash if connection settings are not setup.

fix

UUM-127533 Editor: Fixed certain Color fields not updating after the first click in UIToolkit Debugger.

fix

UUM-131205 Editor: Fixed crash when using invalid font with ATG.

fix

UUM-128667 Editor: Fixed ellipsis missing or misplaced in ATG.

fix

UUM-128921 Editor: Fixed Frame Debugger disconnecting when Render Graph Viewer is closed.

fix

UUM-114440 Editor: Fixed item not placing at edge of main toolbar during edit mode.

fix

UUM-122222 Editor: Fixed Long File Name Error When Build Profile Name Has Many Symbols.

fix

Editor: Fixed overlay resizing sometimes not being available after resizing the window.

fix

UUM-128985 Editor: Reverted changes that caused unsaved scene changes to be lost during builds.

fix

UUM-126940 Editor: Fixed unrooted memory labels for ATG.

fix

UUM-128282 Editor: Fixed Some Build Profile settings do not remain checked when launching a project without the /Library folder through the command line.

fix

UUM-126941 Editor: Fixed unrooted memory labels for TextCore.

fix

UUM-131444 Editor: Fixed word selection with punctuation on ATG.

fix

Editor: Multiple small overlay dynamic panel fixes.

fix

UUM-103526 Editor: QOL Improvement: Reset the text field when adding a new element.

improvement

UUM-131962 6000.3.0b1,6000.0.65f1: Editor freezes when QualitySettings.maxQueuedFrames is set to 1 and DX12 is used

improvement

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

📝General(14)

improvement

com.unity.scriptablebuildpipeline: 2.4.3 to 2.5.1

improvement

UUM-131104 6000.0.64f1: [DX12] [Win11 ARM64] Machine crashes and restarts while trying to create a new project

improvement

UUM-131707 6000.5.0a1,6000.3.2f1: Crash with multiple stack traces when using DX12 and selecting all spline knots

improvement

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

fix

UUM-131538 DX12: Fixed a crash that occurred on CheckDeviceStatus when executing specific InferenceEngine actions.

fix

UUM-130882 Networking: Fixed an issue that caused PROTOCOL_ERROR with UnityWebRequest when doing HTTP/2 POST operations of more than 600kb.

fix

UUM-130102 Shaders: Fixed a crash in ShaderUtil.GetPassKeywords when called with ShaderType.RayTracing.

improvement

- com.unity.addressables: 2.7.4 to 2.8.0

improvement

com.unity.recorder: 5.1.3 to 5.1.4

improvement

com.unity.bindings.openimageio: 1.0.1 to 1.0.2

improvement

com.unity.services.authentication: 3.5.2 to 3.6.0

improvement

com.unity.polyspatial: 3.0.3 to 3.0.5

improvement

com.unity.polyspatial.visionos: 3.0.2 to 3.0.5

improvement

com.unity.polyspatial.extensions: 3.0.2 to 3.0.5

🎨Graphics(13)

fix

UUM-129979 WebGL: WebGPU: Fix compute pipeline error when a RWTexture is read-only.

improvement

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

fix

UUM-125554 iOS: Fixed DXT support on iOS \(on devices that support it\).

fix

UUM-128741 Graphics: Fixed transient AA depth in renderpass not getting memoryless.

fix

UUM-91203 Graphics: Fixed freeze with particle systems when using Vulkan.

improvement

UUM-130881 iOS: Rendering freezes and UnityGfxDeviceWorker crash when Show Splash Screen is enabled and Project is built using Unity as a Library

fix

UUM-131278 Shaders: Improved shader compilation logging when doing builds.

fix

UUM-129124 SRP Core: Render Graph Viewer - Fixes broken RG viewer window when switching the platform in the Editor.

fix

UUM-128844 SRP Core: Render Graph Viewer - Fixes incorrect data source labeling when a remote standalone build disconnects.

fix

UUM-128869 SRP Core: Render Graph Viewer - NullReferenceException that occurs when entering/exiting Play Mode while the Render Graph Viewer is paused.

fix

UUM-122236 Editor: Updated MeshLOD generator to work with any vertex format in the input mesh. Previously, unexpected formats like Float16 positions could result in incorrect LOD generation or crashes.

fix

UUM-129346 UI Toolkit: Fixed texture sampling artifact in UITK shade code.

fix

UUM-131803 WebGL: WebGPU: Fix maxComputeWorkGroupSize limit, which was previously set too high and could cause compute shaders to fail on some browsers.

📱Mobile(2)

improvement

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

fix

UUM-129367 iOS: Fixed iOS 26 logs appearing as <private> in Console app.

🌐Networking(2)

improvement

UUM-132182 6000.0.55f1,6000.3.0a4: Crash on RaiseException when creating a multiplayer room while toggling UI

improvement

com.unity.netcode.gameobjects: 2.7.0 to 2.8.0

⚡Performance(2)

improvement

- UUM-132332 6000.0.54f1: 100% crash rate when loading two profiler captures in the Profile Analyzer compare tool

fix

UUM-131464 Profiler: Fixed errors occurring when profiling with an extremely wide or tall game view.

⚡Physics(2)

fix

UUM-131683 Physics 2D: Fixed an issue where SegmentGeometry.forward was inverted.

fix

UUM-131683 Physics 2D: Fixed various issues with PhysicsMask including IsBitSet, AreBitsSet and both ResetBitIterator and SetBitIterator.

📜Scripting(1)

fix

UUM-128744 Editor: Fixed prefab saving whilst still editing its field in the Prefab Stage.

🖼️UI(3)

fix

UUM-131755 UI Toolkit: Improved documentation around FrameUpdate\(\) and EditorWindows.

improvement

UUM-130350 uGUI Controls: [iOS][Android] OnSubmit event is triggered indefinitely on UGUI Input Field after dismissing keyboard on mobile ### 6000.3.5f1 Release Notes

fix

UUM-128163 UI Toolkit: Fixed ContextualMenuManager not overridable.

🥽XR(2)

improvement

com.unity.polyspatial.xr: 3.0.2 to 3.0.5

improvement

com.unity.xr.visionos: 3.0.2 to 3.0.5

View original release notes: Unity 6000.3.5f1 Release Notes