Unity 6000.4.0b5

BETA

Released Thursday, January 22, 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-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
  • Graphics: Added a warning log for a missing buffer when using the Vulkan API.
  • (UUM-130842) *Fixed in 6000.4.0b6.*
  • UUM-125284 IL2CPP: [iOS] [Android] External library generics fail during IL2CPP build
  • UUM-130881 iOS: Rendering freezes and UnityGfxDeviceWorker crash when Show Splash Screen is enabled and Project is built using Unity as a Library
  • iOS: fixed FRAMEWORK_SERACH_PATH for Xcode project on iOS,tvOS,visionOS
  • (UUM-131209)
  • *First seen in 6000.4.0a4.* *Fixed in 6000.4.0b6.*
  • UUM-125778 Metal: Game freezes after command buffer Timeout error
  • UUM-121453 Metal: [iOS] Screen flashing after the iOS splash screen
  • UUM-130076 Scripting Buildtime: "Script updater for [...] failed with exitcode [...] and stdout: Stack overflow." errors thrown in console when a project using obsolete API is opened
  • UUM-132677 : Editor memory leak when entering and exiting Play Mode in a blank URP project
  • UUM-132415 : Silent crash when importing SVG files
  • ### New 6000.4.0b5 Entries since 6000.4.0b4

📈 Improvements

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

🔧 Bug Fixes

  • UUM-131585 Android: Remove legacy @TargetApi\(Build.VERSION_CODES.M\) from code
  • UUM-128821 Audio: Fixed an issue where an exception was thrown when allocating a native collection in scriptable generator control callbacks.
  • UUM-122030 DX12: Fixed a crash that occurred due to kernel memory exhaustion when a texture was modified using "Texture2D.Apply" a high number of times within a single frame.
  • UUM-131538 DX12: Fixed a crash that occurred on CheckDeviceStatus when executing specific InferenceEngine actions.
  • Editor: Allocator.Domain will print an error if over capacity, instead of crashing.
  • (UUM-125732)
  • *First seen in 6000.4.0a1.*
  • UUM-103526 Editor: Cleared the text input field in the Inspector after adding a new element to a list.
  • UUM-122222 Editor: Fixed a file path length error that occurred when a Build Profile name contained a large number of special characters.
  • UUM-130075 Editor: Fixed an issue where sliders in the main toolbar did not function correctly when their minimum value was greater than zero.
  • UUM-131099 Editor: Fixed an issue where the Editor Log menu item was shown even when not available.
  • UUM-128921 Editor: Fixed an issue where the Frame Debugger disconnected when the Render Graph Viewer was closed.
  • UUM-128667 Editor: Fixed ellipsis missing or misplaced in ATG.
  • UUM-128981 Editor: Fixed issue where the Windows Editor Log did not say whether we are using the arm64 Windows Editor or if we are running the x64 Editor on an arm64 device.
  • UUM-114440 Editor: Fixed item not placing at edge of main toolbar during edit mode.
  • 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.
  • Editor: Fixed several minor UI and layout issues with dynamic panels in Editor overlays.
  • 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-127533 Editor: Fixed the Color fields in the UI Toolkit Debugger so they now update after the first click.
  • UUM-131444 Editor: Fixed word selection with punctuation on ATG.
  • UUM-128985 Editor: Reverted changes that caused unsaved scene changes to be lost during builds.
  • UUM-12996 Editor: Terrain trees : Fixed an issue where textures would be created for every non legacy trees, impacting memory
  • Entities: ILPP no longer hangs when a particular flavor of recursive reference in a managed component exists.
  • (UUM-125131)
  • *First seen in 6000.4.0a1.*
  • UUM-87044 Graphics: Prevent destruction of a Mesh with DestoryImmediate\(\) during OnWillRenderObject\(\)
  • UUM-129367 iOS: Fixed iOS 26 logs appearing as <private> in Console app.
  • 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-130674 Shaders: Fixed a rare crash when uninstalling Universal Render Pipeline package.
  • UUM-128664 UI Toolkit: Compute UV for VisualElement borders to correctly support UVDistortion in custom shader.
  • UUM-128163 UI Toolkit: Fixed ContextualMenuManager not overridable.
  • UUM-131755 UI Toolkit: Improve documentation around FrameUpdate\(\) and EditorWindows.
  • UUM-131803 WebGL: WebGPU: Fixed maxComputeWorkGroupSize limit, which was previously set too high and could cause compute shaders to fail on some browsers.
  • #### New 6000.4.0b5 Package Changes since 6000.4.0b4

📦 Packages Updated

All Changes by Category

🎬Animation(1)

improvement

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

📦Asset Pipeline(2)

fix

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

fix

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

🔊Audio(1)

fix

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

🔧Editor(17)

fix

Entities: ILPP no longer hangs when a particular flavor of recursive reference in a managed component exists. (UUM-125131)<br> *First seen in 6000.4.0a1.*

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

fix

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

improvement

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

improvement

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

improvement

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

fix

Editor: Allocator.Domain will print an error if over capacity, instead of crashing. (UUM-125732)<br> *First seen in 6000.4.0a1.*

fix

UUM-103526 Editor: Cleared the text input field in the Inspector after adding a new element to a list.

fix

UUM-122222 Editor: Fixed a file path length error that occurred when a Build Profile name contained a large number of special characters.

fix

UUM-130075 Editor: Fixed an issue where sliders in the main toolbar did not function correctly when their minimum value was greater than zero.

fix

UUM-131099 Editor: Fixed an issue where the Editor Log menu item was shown even when not available.

fix

UUM-128921 Editor: Fixed an issue where the Frame Debugger disconnected when the Render Graph Viewer was closed.

fix

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

fix

UUM-128981 Editor: Fixed issue where the Windows Editor Log did not say whether we are using the arm64 Windows Editor or if we are running the x64 Editor on an arm64 device.

fix

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

fix

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

📝General(14)

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.

improvement

com.unity.polyspatial.visionos: 3.0.3-pre.3 to 3.0.5

improvement

com.unity.polyspatial.extensions: 3.0.3-pre.3 to 3.0.5

improvement

com.unity.polyspatial: 3.0.3 to 3.0.5

improvement

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

improvement

com.unity.services.authentication: 3.5.2 to 3.6.0

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-132415 : Silent crash when importing SVG files ### New 6000.4.0b5 Entries since 6000.4.0b4

improvement

com.unity.recorder: 5.1.3 to 5.1.4

improvement

com.unity.bindings.openimageio: 1.0.1 to 1.0.2

improvement

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

improvement

- com.unity.addressables: 2.7.4 to 2.8.0

🎨Graphics(9)

fix

UUM-87044 Graphics: Prevent destruction of a Mesh with DestoryImmediate\(\) during OnWillRenderObject\(\)

improvement

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

improvement

Graphics: Added a warning log for a missing buffer when using the Vulkan API. (UUM-130842) <br>*Fixed in 6000.4.0b6.*

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-132677 : Editor memory leak when entering and exiting Play Mode in a blank URP project

fix

UUM-122030 DX12: Fixed a crash that occurred due to kernel memory exhaustion when a texture was modified using "Texture2D.Apply" a high number of times within a single frame.

fix

UUM-12996 Editor: Terrain trees : Fixed an issue where textures would be created for every non legacy trees, impacting memory

fix

UUM-128664 UI Toolkit: Compute UV for VisualElement borders to correctly support UVDistortion in custom shader.

fix

UUM-131803 WebGL: WebGPU: Fixed maxComputeWorkGroupSize limit, which was previously set too high and could cause compute shaders to fail on some browsers. #### New 6000.4.0b5 Package Changes since 6000.4.0b4

📱Mobile(4)

improvement

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

fix

- UUM-131585 Android: Remove legacy @TargetApi\(Build.VERSION_CODES.M\) from code

fix

UUM-129367 iOS: Fixed iOS 26 logs appearing as &lt;private&gt; in Console app.

improvement

iOS: fixed FRAMEWORK_SERACH_PATH for Xcode project on iOS,tvOS,visionOS (UUM-131209)<br> *First seen in 6000.4.0a4.* <br>*Fixed in 6000.4.0b6.*

🌐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(3)

improvement

UUM-125284 IL2CPP: [iOS] [Android] External library generics fail during IL2CPP build

improvement

UUM-130076 Scripting Buildtime: "Script updater for [...] failed with exitcode [...] and stdout: Stack overflow." errors thrown in console when a project using obsolete API is opened

fix

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

🖼️UI(4)

fix

Editor: Fixed several minor UI and layout issues with dynamic panels in Editor overlays.

fix

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

fix

UUM-128163 UI Toolkit: Fixed ContextualMenuManager not overridable.

fix

UUM-127533 Editor: Fixed the Color fields in the UI Toolkit Debugger so they now update after the first click.

🥽XR(3)

improvement

com.unity.xr.androidxr-openxr: 1.2.0-pre.2 to 1.2.0

improvement

com.unity.xr.visionos: 3.0.3-pre.3 to 3.0.5

improvement

com.unity.polyspatial.xr: 3.0.3-pre.3 to 3.0.5

View original release notes: Unity 6000.4.0b5 Release Notes