Release Notes Background

Unity 6000.5.9f1

Released on Aug 19, 2026

Manual installs

Component installers

Release

Known Issues in 6000.5.9f1

  • 6000.0.11f1: Crash on _platform_memcmp when baking lighting in a Scene stored in the StreamingAssets folder (UUM-149240)

  • 6000.6.0a3,6000.5.0b8,6000.3.16f1: Player crashes with use-after-free when a Shader is unloaded immediately after ShaderWarmup.WarmupShaderFromCollection() on D3D12 (UUM-149781)

  • 6000.6.0a7: [Universal 3D Sample] NullReferenceException is thrown when opening GardenScene in URP 17.3.0 sample (UUM-145743)

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

  • : 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)

6000.5.9f1 Release Notes

API Changes

  • Editor: Added: Project Auditor: add migration areas so we can add migration rules.

Fixes

  • Accessibility: Fixed AssistiveSupport.screenReaderStatusChanged not being supported by Narrator (the Windows built-in screen reader). (UUM-147175)

  • AI: As a result of an unsupported configuration, a NavMeshAgent would try to separate from its own NavMeshObstacle component by jumping in arbitrary directions. Now the agent moves in one stable direction. (UUM-141803)

  • AI: NavMeshAgents created or teleported inside box NavMeshObstacles could not move out of the obstacles. (UUM-146477)

  • Android: Fixed alignment issues in Android External Tools settings panel. (UUM-148378)

  • Animation: Fixed an issue where AnimationEvent-related tooltips in the Animation Window were not rendered correctly while in Bitmap text rendering mode. (UUM-141839)

  • Build Pipeline: Added support to reserve capacity of PersistentManager.Remapper in Memory Settings (Main Allocators > Other Allocators > Remapper Initial Capacity). (UUM-136275)

  • DX12: Fixed an issue where VRAM used by small textures wasn't released back to the GPU driver after the textures were destroyed when using the Direct3D12 graphics API on Windows.
    You can now tune the small-texture heap size with the d3d12-small-texture-tiles-per-heap boot config parameter to balance VRAM reclamation against heap-allocation overhead. (UUM-142284)

  • Editor: Address Null Reference Exception in VisualTreeAsset preview dropdown. (UUM-143310)

  • Editor: Addressed vulkan-specific issue where certain UITK elements with overflow:hidden would not render. (UUM-142280)

  • Editor: Enabled WebGLVideoShaderIncludeTests tests on MacOS. (UUM-144107)

  • Editor: Fixed a crash in ATG when using fallbacks whose Source Font File is missing. (UUM-148158)

  • Editor: Fixed a typo in the services-gateway fallback URL that could cause sign-in and Cloud services to fail on Editors launched via Hub when the remote config CDN was unreachable. (UUM-149207)

  • Editor: Fixed an issue where Shift+clicking a prefab child in the Scene view selected the child object instead of the prefab instance root. (UUM-148884)

  • Editor: Fixed an issue where updating a package while an MPPM clone was active caused the clone to crash. (UUM-148292)

  • Editor: Fixed EXC_BAD_ACCESS crash in UnregisterAnalyticsEvents. (UUM-143137)

  • Editor: Fixed missing space between style sheet and owning document name when viewing inherited style sheets in context mode. (UUM-147743)

  • Editor: Internal hardening of the Hub-mode service configuration handling. No user-visible behavior change. (UUM-149208)

  • Editor: Turn off GRD in URP and HDRP templates. (UUM-143179)

  • GI: Fixed a crash and long packing times when switching the Lighting Visualization overlay's Lighting Data to Preview in a scene with a large terrain. (UUM-149471)

  • GI: Fixed an Editor crash when using the interactive lighting preview in a scene with a terrain large enough to be split into multiple lightmapping instances. (UUM-148850)

  • GI: Fixed objects without valid lightmap UVs being removed from baked lighting with an "Every triangle in the Mesh UV layout has zero area" warning. (UUM-148666)

  • Graph Toolkit: Changed orientation blackboard variable and node foldouts to face right instead of left. (UUM-139425)

  • Graphics: Allow On Tile Post Processing feature only on the Universal Renderer. (UUM-148038)

  • Graphics: Graphics Settings - "Import from current scene" action is not added to the undo list. (UUM-148881)

  • Graphics: Notify ObjectDispatcher when MeshRenderer LocalAABB changes. (UUM-147452)

  • Graphics: Skip expensive per-variant operations for warmed up GraphicsStateCollection variants. (UUM-139193)

  • HDRP: Fixed a water null exception when exiting the frame debugger. (UUM-141885)

  • HDRP: Fixed the Game view flickering when changing HDRP settings while the Game view is focused. (UUM-147685)

  • iOS: Fixed ScrollView not responding to mouse wheel input with a connected mouse. (UUM-141279)

  • Kernel: Fixed performance regression relating to the ArchiveStorageReader's callback pools. (UUM-139708)

  • License: Fixed manual license activation failing when importing a Named User License file.

  • Networking: De-referencing invalid texture pointer when a webrequest is teared down abruptly. (UUM-144540)

  • Networking: Fixed a possible editor-only crash when using a custom certificate handler with UnityWebRequest in long editor sessions involving many domain reloads. (UUM-147347)

  • Package Manager: Fixed so the package search bar is cleared if the package being opened through the API isn't visible. (UUM-132102)

  • Package Manager: Passive trust pop-ups are not cutoff anymore. (UUM-131817)

  • Physics: Fixed an issue where baking a uniform scaled a static root, would not handle scales different than 1.0f correctly. (UUM-133010)

  • Scene/Game View: Fixed an issue where an activated RectTool would start throwing errors if SceneView camera zoomed out far away from the selected object. (UUM-146170)

  • Text: Fixed ATG IMGUI emoji rendering black in light theme. (UUM-147842)

  • Text: Fixed PostProcessTextVertices glyph enumeration out-of-range exception with rich text. (UUM-147305)

  • Text: Make the Font Asset Creator save dynamic font assets by default. (UUM-149073)

Package changes in 6000.5.9f1

Packages updated

Changeset: b57deb96f08d

Third Party Notices

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