Release Notes Background

Unity 6000.4.2f1

Released on Apr 9, 2026

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Manual installs

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Release

Known Issues in 6000.4.2f1

  • 6000.2.0a10: Crash on TexturesD3D12::CreateTextureInternal() when opening a project for the first time (UUM-135024)

  • 6000.2.0b1: Crash on "CachedReader::OutOfBoundsError" when loading VFX object from an Asset Bundle with DisableTypeTree (UUM-137538)

  • 6000.3.0a3: Crash on Umbra::QueryExt::queryStaticShadowCasters when baking a custom Reflection Probe with the minimum Near Clipping Planes value (UUM-137250)

  • 6000.3.0a5: URP Decals become invisible when over 1000 units away from the camera (UUM-138945)

  • 6000.5.0a4,6000.0.66f1,6000.3.4f1,6000.4.0b4: ShaderVariantCollection.variantCount and ShaderVariantCollection.shaderCount returns 0 in Builds (UUM-137398)

  • 6000.5.0a8,6000.6.0a1,6000.4.0b12,6000.3.12f1: Crash with multiple StackTraces when building lighting in a Specific Scene (UUM-138494)

  • 6000.6.0a1,6000.3.11f1: Color parameter is ignored when creating dynamic text in a UI Document with DrawText() (UUM-137907)

  • 6000.6.0a1,6000.5.0a9,6000.3.12f1,6000.4.0f1: Switching platforms will trigger shader-related warnings (TraceTransparentRays) (UUM-139001)

  • Metal: macOS stutters in a minimal project in the Editor in Play Mode (UUM-85256)

  • : Crash in vk::OnscreenSwapChain::AcquireNextImage (UUM-138508)

  • : Crash on CheckDeviceStatus when selecting GameObjects in the scene view while using DX12 (UUM-138597)

  • : Crash on ConstraintProjectionTree::projectionTreeBuildStep when ConfigurableJoint uses JointProjectionMode.PositionAndRotation and connected Rigidbody switches from kinematic to non-kinematic (UUM-135394)

  • : Crash on PolygonCollider2D::CreatePolygonShapes when painting multiple tiles from Tile Palette onto Tilemap (UUM-138488)

  • : Editor memory leak in VisualElement when recompiling in a blank URP project (UUM-138000)

  • : New Releases are shipped without the newest URP and HDRP Template Versions (UUM-137426)

6000.4.2f1 Release Notes

Improvements

  • SRP Core: Improved the way VolumeManager collects VolumeComponent types to avoid slow reflection overhead on Player startup. (UUM-134911)

Changes

  • Android: Updated GameActivity library from 3.0.5 to 4.4.0.

  • Documentation: Changed the Quickstart hyperlink to point at the ECS Feature Set Unity Documentation page

Fixes

  • Adaptive Performance: Fixed gc allocation. (UUM-136604)

  • Android: Fixed mouse input when cursor is locked (part for GameActivity 4.4.0 upgrade). (UUM-91677)

  • Android: Words won't be spammed in input field when swiping touch screen keyboard (part of GameActivity 4.4.0 upgrade). (UUM-116283)

  • Android: AndroidApplication.onConfigurationChanged will correctly reflect language/country changes on GameActivity.

  • Asset Import: Fixed editor crash on keywords::LocalSpace::Find because of accessing stale resources. (UUM-133882)

  • Editor: Clamped memory settings for Publishing Settings/WebAssembly Language Features so they cannot be less than 0. (UUM-134687)

  • Editor: Fixed an issue where upgrading old meta files for Win64 plugins disabled the plugin. (UUM-137610)

  • Editor: Fixed crash in import worker process during prepare, looking up fallback shaders (UUM-107712)

  • Editor: Fixed mouseOverWindow not being updated during DragDrop operation for WinEditor (UUM-137200)

  • Editor: Fixed shadergraph assets from reimporting on each project load when using Shader Build Settings. (UUM-134390)

  • Editor: Fixed some performance marker functions to be thread safe. (UUM-129081)

  • Editor: Fixed the logic that enables or disables the apply and revert buttons for scripting defines and additional compiler arguments. (UUM-126488)

  • Editor: Recreate buildprofilecontext.asset if it cannot be loaded to ensure proper operation of the build profile window. (UUM-136377)

  • Editor: Removed a redundant separation line in a Build Profile's Quality Settings' dropdown after all items have been added. (UUM-136313)

  • Entities: Fixed source generators error when passing an incorrect amount of parameters to various SystemAPI methods. (UUM-133595)

  • Graphics: Fixed GrabPass does not correctly set the rect size when set up with a camera.SetTargetBuffers() instead of a render texture in DirectX11. (UUM-135889)

  • HDRP: Fixed bad asset reference in sample description. (UUM-137827)

  • HDRP: Fixed issue where VolumeProfile could fail to collect all component types in some cases. (UUM-136181)

  • Kernel: Fixed rotation not working with very small input angles and also made the function about 3x faster. (UUM-125002)

  • Package: com.unity.collections: Added: MaxCapacity constant to define the maximum number of elements each container can hold.
    com.unity.collections: Fixed: Integer overflow when calculating memory size in bytes of containers that have a large number of elements.

  • Package: com.unity.collections: Fixed: NativeBitArray and UnsafeBitArray now correctly find contiguous sequences of 0-bits up to 6 bits in length. (UUM-124940)

  • Physics: Fixed a number of issues where Rigidbody component API was not completely secured when being executed from a prefab context. (UUM-137716)

  • Physics: Fixed an issue where inspectors could set Collider component data such as Center/Radius/Height/Size to +/-Infinity, which was not valid and would result in incorrect simulation behavior. (UUM-136447)

  • Physics: Fixed an issue where Rigidbody.centerOfMass wouldn't serialize the value set to it. (UUM-137716)

  • Physics: Fixed an issue where Rigidbody.constraints wouldn't serialize the values set to it, when called on prefab asset. (UUM-137716)

  • Profiler: Fixed rendering artefacts in the Profiler window at the border of the Captures list and Timeline view. (UUM-116890)

  • Scene/Game View: Fixed issue where the Scene View's Camera overlay would sometimes render outside of the overlays' canvas area. (UUM-130098)

  • Text: Ensure link tag works in Helpbox. (UUM-135690)

  • UI Toolkit: Fixed badge not correctly showing after graph validation. (UUM-137317)

  • UI Toolkit: Fixed border color transitions not working when starting color is transparent. (UUM-136876)

Package changes in 6000.4.2f1

Packages updated

Changeset: 7a4c1aeef971

Third Party Notices

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

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