Release Notes Background

Unity 6000.3.18f1

Released on Jun 17, 2026

Install

Manual installs

Component installers

Release

Known Issues in 6000.3.18f1

  • 6000.0.11f1: Crash on ProfilerMutexLock when closing a project with specific Assets (UUM-144371)

  • 6000.5.0a6: Crash on PhysicsCommands::PhysX::BodySetPose when entering Play Mode in a specific project (UUM-143658)

  • Asset Importers: Editor crashes on "(Unity) WriteObjectToVector" when entering into the Play Mode (UUM-112617)

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

  • Text (TextMeshPro): Crash on UNITY_FT_Load_Glyph when generating multi-threaded Font Atlas in TMPro Font Asset Creator (UUM-125366)

  • : Crash on mdb_cursor_sibling when performing various actions in the Editor (UUM-141720)

  • : Crash on mono_log_write_logfile when more than one copy of bee_backend is running (UUM-142773)

  • : Crash with multiple stack traces when generating a Font Atlas (UUM-141061)

6000.3.18f1 Release Notes

Features

  • Documentation: This adds a step in the UDP docs pipeline to resolve xref links in engine documentation.

Improvements

  • Multiplayer: Fix Write access error with "VirtualProjectSettings.json" when creating a MPPM Player Tag with Perforce connected (UUM-144074)

Changes

  • Editor: The macOS Rosetta 2 installation helper app is no longer necessary and has been removed.

Fixes

  • 2D: Fixed (Case IN-139653) where padding does not fully apply on all regions. (UUM-139518)

  • 2D: Fixed an issue in Grid mode where Brush Picks opened and scrolled to the end of the Grid instead of the last selected item. (UUM-138222)

  • 2D: Fixed errors that occurred when adding a Lens Flare component and added support for orthographic camera. (UUM-141781)

  • 2D: Fixed GridView showing empty space after scrolling to the bottom of the GridView for Tile Palette Brush Picks. (UUM-142144)

  • 2D: Fixed Light2D and Shadow Caster 2D components displaying incorrect icons in the Inspector. (UUM-132563)

  • 2D: Fixed picking for sprites with -ve scale using shadergraph materials. (UUM-141627)

  • 2D: Fixed Sprite Editor Window sometimes references it's preview texture. (UUM-140054)

  • Adaptive Performance: Disallow negative values for performance action delay and thermal action delay. (UUM-135803)

  • AI: When loading NavMesh data we now avoid processing existing NavMeshLinks while loading a NavMeshSurface until all tiles of the surface are loaded, reducing overhead. (UUM-126707)

  • Android: Fixed Vulkan crash when backgrounding Android app with RunWithoutFocus enabled. (UUM-141888)

  • Audio: Fixed false-positive error spam ("Cannot access the processor - handle is stale...") and a spurious "nested processor had to be forcefully updated" warning emitted during normal audio processor disposal. (UUM-142099)

  • DX12: Do not wait for GPU completion once we exceed active command buffer limit. (UUM-139697)

  • DX12: Fixed crash on D3D12SwapChain::Present when using AddComputePass with EnableAsyncCompute(true). (UUM-140183)

  • DX12: Fixed DirectML crash for Sentis pose sample. (UUM-143597)

  • DX12: Fixed Meta pass CommandBuffer.DrawMesh() ignored during shader async compilation. (UUM-139294)

  • Editor: Cleaned up SceneBackup files when they do not represent unsaved state to avoid spurious recovery dialogues appearing when the editor has crashed. (UUM-142761)

  • Editor: Editor no longer throws ArgumentOutOfRangeException when removing a Keyword Declaration Override in Project Settings > Graphics > Shaders after reverting an unsaved addition. (UUM-143037)

  • Editor: Fixed Switch Profile button not appearing in the Build Profiles window after adding a Dedicated Server build profile until the window was reopened. (UUM-143216)

  • Editor: Fixed a crash that occurred when opening the Build Profiles window and Player Settings asset was not imported. (UUM-116727)

  • Editor: Fixed an edge case in the motion blur tile pass where the per-tile minimum velocity could remain uninitialized for certain object speeds. (UUM-142360)

  • Editor: Fixed broken RASTER_HINTED font atlas when created in the Font Asset Creator. (UUM-142852)

  • Editor: Fixed crash in some cases with exception logging. (UUM-141434)

  • Editor: Fixed crash when using Hyperlinks. (UUM-142829)

  • Editor: Fixes LinuxEditor crash when opening a project with a custom DefaultCursor in batch mode with -nographics switch. (UUM-142569)

  • Editor: Render Texture and Raw Texture preview stutters when played in the Inspector preview during Play mode. (UUM-140017)

  • Editor: [Android] Replaced the link to the missing "Gradle Troubleshooting" page in the "Colliding Attributes" error window with a working "Gradle for Android" link for Unity 6.3. (UUM-142945)

  • GI: Fixed a crash that would occur when baking light on MacOS ARM builds without Rosetta 2 installed. (UUM-142663)

  • GI: Prevent CPU light baking in MacOS Arm builds when Rosetta is unavailable. (UUM-142173)

  • Graphics: Delayed Renderer additions in Texture Streaming in order to avoid performance spikes. (UUM-140042)

  • Graphics: Fixed artifacts that occurred in Reflection Probes when rotation was applied. (UUM-137813)

  • Graphics: Improved Editor performance when resizing window with Vulkan graphics API. (UUM-141307)

  • Graphics: Material properties are no longer lost when setting a parent that hasn't been loaded yet. (UUM-113050)

  • Graphics: [OpenGLES] Fixed rendering errors and OpenGL validation errors on Windows OpenGLES3 standalone player after toggling fullscreen with Alt+Enter. (UUM-109464)

  • HDRP: Fixed a NullReferenceException that occured in ReAllocateOffscreenUIColorBufferIfNeeded after switching the build target. (UUM-143038)

  • HDRP: Fixed an issue where the HDR UI overlay was missing when path tracing was enabled. (UUM-142884)

  • HDRP: Fixed HDRP post-processing volume overrides not updating until refresh. (UUM-142661)

  • IL2CPP: Fixed logs sometimes showing an incorrect method in their callstack when selecting the option to display method, file and line number. (UUM-138416)

  • IMGUI: Fixed IMGUI selection. (UUM-137875)

  • Package Manager: Fixed intermittent EPERM: operation not permitted, rename errors on Windows during package installation. (UUM-142421)

  • Package Manager: Fixed when selecting the same package.json with multiple inspectors the errors are not following. (UUM-142468)

  • Physics: Articulation Body joint limits are now clamped to the ranges defined by the Physics SDK. (UUM-91742)

  • Physics: Fixed a memory corruption due to NvCloth internals over-allocating when solving inter cloth collisions. (UUM-64185)

  • Physics: Fixed an issue where MeshCollider would no longer work when overriding the file of the mesh asset it references. (UUM-141284)

  • Physics: Fixed debug visualization for capsule colliders, ensuring capsule caps retain curvature when scale is applied. (UUM-142483)

  • Physics: Fixed several instances of SIMD operations leading to NaN values within the NvCloth solver kernel. (UUM-64185)

  • Physics 2D: "PhysicsAABB.Normalized()" is now "PhysicsAABB.Normalize()". (UUM-143279)

  • Physics 2D: Fixed various scripting docs inconsistencies, bad spellings and type references. (UUM-143279)

  • Physics 2D: Improved the stability of the PhysicsCore2D system when it is used from multiple threads, fixing rare race conditions that could potentially cause crashes during world or object destruction. (UUM-143564)

  • Prefabs: Added objects are no longer removed when cleaning up a corrupt PrefabInstance. (UUM-142338)

  • Profiler: Disabled the AI Assistant button in the Standalone Profiler window. (UUM-142961)

  • Profiler: Fixed CPU Timeline rendering for the final frame of a process that crashed whilst the profiler was attached. (UUM-71728)

  • Scene Manager: Fixed a crash that occurred when exiting Play mode with multiple scenes loaded if a user script subscribes to EditorSceneManager.sceneClosed and enumerates open scenes inside the handler. (UUM-131346)

  • Shaders: Shader Inspector Compile and show code dropdown is now wider to avoid overlapping elements. (UUM-143195)

  • Text: Fixed a performance bottleneck in Advanced Text Generator (ATG) text shaping. (UUM-139797)

  • TextMeshPro: Fixed an issue where TMP shaders always used the HDR color picker instead of matching the color mode set in the shader. (UUM-141742)

  • UI Toolkit: Fixed an issue where ScrollView.ScrollTo would override manual scroll input on every frame after being called, when any element in the panel updated its style every frame. (UUM-142486)

  • UI Toolkit: Fixed GroupTransform copping issues when using filters. (UUM-142586)

  • UI Toolkit: Fixed the dynamic height collection view's horizontal scroll value being reset to 0 when scrolling vertically. (UUM-142573)

  • UI Toolkit: Fixed UI Builder adding new selectors to the wrong USS file when the active StyleSheet was reordered below another StyleSheet. (UUM-143744)

  • UI Toolkit: Fixed UI Builder Inspector showing stale list values for <AttributeOverrides> after reopening a UXML instance whose base template was edited. (UUM-141060)

  • UI Toolkit: Fixed ObjectDisposedException thrown in the console when deleting a Visual Element that had a Data Source Type assigned in the UI Builder. (UUM-129925)

  • Version Control: UnityYAMLMerge could generate invalid prefab YAML after merges when empty arrays became populated. In some cases this caused prefabs to fail parsing and become unusable. (UUM-131530)

Package changes in 6000.3.18f1

Packages updated

Changeset: 5ebeb53e4c07

Third Party Notices

For more information please see our Open Source Software Licences FAQ on the Unity Support Portal

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