Unity 6000.3.5f2

LTS

Released Monday, January 26, 2026

✨

AI Summary

Premium

Unity 6000.3.5f2 focuses on stability and fixes across various modules including graphics, editor functionality, and the asset pipeline. Key improvements address shader compilation logging, render graph viewer stability, and Package Manager validation issues, aiming for a more robust development experience.

Key Highlights

▸Improved shader compilation logging during builds for better debugging.
▸Fixed Render Graph Viewer issues, including incorrect data labeling and null reference exceptions when entering/exiting Play Mode.
▸Resolved Package Manager issues where valid package signatures were flagged as invalid after certificate expiration.
▸Fixed SpriteAtlas.GetSprite/GetSprites methods returning incorrect positions.
▸Allocator.Domain now prints an error instead of crashing when over capacity.

⚠️ 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-132342 6000.1.0a2,6000.0.64f1: Single-pass stereo rendering shows only Skybox when entering Play mode
UUM-131198 6000.3.0a1: Last selected asset before docking Animation window gets selected when a domain reload occurs
UUM-132303 6000.3.0a1: [WinEditor] Editor "freezes" after focus loss when Search native DialogBox is up
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
UUM-132677 : Editor memory leak when entering and exiting Play Mode in a blank URP project
### 6000.3.5f2 Release Notes

🔧 Bug Fixes

UUM-133005 Package Manager: Resolved a bug causing valid package signatures to be flagged as invalid if validated after the signing certificate expired.
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

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-133005 Package Manager: Resolved a bug causing valid package signatures to be flagged as invalid if validated after the signing certificate expired.

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.

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

fix

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

fix

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

fix

UUM-129040 Editor: Reverted the EventModifiers move.

improvement

UUM-132303 6000.3.0a1: [WinEditor] Editor "freezes" after focus loss when Search native DialogBox is up

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

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

fix

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

fix

Editor: Multiple small overlay dynamic panel fixes.

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.

📝General(6)

fix

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

improvement

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

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

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.

🎨Graphics(15)

fix

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

improvement

UUM-132342 6000.1.0a2,6000.0.64f1: Single-pass stereo rendering shows only Skybox when entering Play mode

improvement

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

improvement

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

improvement

UUM-132677 : Editor memory leak when entering and exiting Play Mode in a blank URP project ### 6000.3.5f2 Release Notes

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

fix

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

fix

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

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

fix

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

📱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(1)

improvement

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

⚡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)

improvement

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

fix

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

fix

UUM-128163 UI Toolkit: Fixed ContextualMenuManager not overridable.

View original release notes: Unity 6000.3.5f2 Release Notes