Manual installs
Operating systems
-Component installers
Windows
+macOS
+macOS ARM64
+Release
Release notes
+Known Issues in 2023.1.3f1
3D Physics: Editor crashes on nv::cloth::FabricCookerImpl::cook when entering Play Mode (UUM-34029)
Asset Importers: Crash on "'anonymous namespace'::ConvertFBXShapes" when importing an FBX file (UUM-38104)
HD RP: The Editor becomes unresponsive and the machine performs worse when the Editor is opened (UUM-34562)
iOS: App freezes and the "You can attach a managed debugger now if you want” message doesn’t show up when running the app on iOS devices with the "Wait For Managed Debugger" setting enabled (UUM-39644)
MacOS: Crash on objc_msgSend when the Editor UI gets redrawn (UUM-34202)
Metal: Editor freezes when exiting Play Mode if the Game window position was changed or undocked during Play Mode (UUM-36218)
Metal: [iOS] Rendering freezes when the orientation is changed (UUM-9480)
Native Window Management: Crash on core::Join<core::basic_string<char,core::StringStorageDefault
> & ptr64,char const (& ptr64)[2],core::basic_string_ref > when the Editor runs out of memory saving an invalid override (UUM-36776) Platform Audio: [WebGL] A looping audio sounds different on WebGL than in the editor/native desktop player (UUM-12530)
Project Browser: Project Browser shows package resources when package visibility is disabled (UUM-32517)
Scene/Game View: Button triggers another Button when multiple Canvases are used in multiple windows (UUM-36255)
Universal RP: A memory leak occurs in the Player when Two Cameras are used and one of them has an "Output Texture" set (UUM-40695)
Universal RP: ArgumentNullException and Assertion failed errors thrown when enabling Opaque Texture, using the Hierarchy search bar, and viewing the Scene tab in Play Mode (UUM-36458)
Universal RP: Decal is not drawn when using Deferred Rendering, a Rendering Layer, and Screen Space Ambient Occlusion (UUM-39831)
Universal RP: RTHandles in URP causes memory allocation in multi-camera scenarios (UUM-19089)
Universal RP: [URP][XR] Performance degradation when comparing Android Quest 2 builds across 2020.3 and 2023.x (UUM-33025)
Visual Effects: Editor crashes on VFXRenderer::AddAsRenderNode when assigning a Renderer’s materials toits to materials/sharedMaterials (UUM-37360)
Visual Effects: [VFX Graph] Crash on VFXBatch::AddInstance when switching to Custom Batch Capacity in Asset Inspector (UUM-38059)
Web Platform: [WebGL] Build fails and Shader errors are logged when Code Optimisation is set to Runtime Speed (UUM-40103)
XR SRP: Editor performance drops as OculusRuntime.WaitToBeginFrame Time ms increases to 150-200 ms in Play Mode when MSAA is enabled and Scene View is opened/focused (UUM-40249)
2023.1.3f1 Release Notes
Improvements
- HDRP: When HDRP is disabled, Compute Shaders are being stripped. (UUM-29122)
Fixes
Android: Fixed Unity allocator crash when forcing -systemallocator on ARM64 with Android 10/11 or higher. (UUM-40105)
Documentation: Fixed Renderer2DData docs link. (UUM-39471)
Editor: Duplicated or copied GameObjects get pasted next to the original object or paste-target instead of at the end. (UUM-37634)
Editor: Fixed an issue where dragging an asset from the Packages folder to an empty Assets folder could cause a crash. (UUM-39919)
Editor: Fixed crash in Transform::RemoveFromParent. (UUM-38102)
Editor: Fixed menu missing after domain reload. (UUM-28905)
Editor: Fixed the ExposedReference property drawer ObjectField not updating when undo/redo is performed. (UUM-25157)
Editor: Updating outdated and broken links in the Help toolbar for Unity Discussions (old Unity Answers) & Unity Feedback. (UUM-40354)
GI: Fixed off-by-one error in version number used for margin method upgrade path. (UUM-40721)
Graphics: Fixed CustomRenderTexture depth test results failing on some platforms. (UUM-1839)
Graphics: Fixed Light movement and artifacts when multiple vertex lights are interacting. (UUM-36457)
Graphics: Fixed object motion vectors not rendering when drawing objects using the Graphics.Render* functions. (UUM-27825)
HDRP: Fixed wrong metapass when using planar/triplanar projection in HDRP. (UUM-22089)
Particles: Fixed incorrect simulation when using the Simulate Layers option on effects that contain non-looping sub-emitters. (UUM-40365)
Particles: Fixed potential crash when using systems relying on GeometryJobs. (UUM-36872)
Physics 2D: Fixed an issue where contacts are not solved correctly on iOS leading to tunnelling and random impulses.
Prefabs: Fixed PrefabModificationsForSerializedObject::DoPrefabModificationsNeedUpdate() is unnecessarily slow. (UUM-40630)
Scene/Game View: Fixed overlay menu position when mouse cursor is hovering another EditorWindow. (UUM-36915)
Scripting: Added a validation error when a user's Roslyn analyzer or Source generator references a version of .net standard incompatible with Visual Studio. (UUM-29638)
Scripting: Fixed performance regression on some API that take array parameters. (UUM-38089)
Scripting: Fixed Unity SourceGenerator to be loadable by Visual Studio. (UUM-34868)
SRP Core: Removed some unexpected SRP changed callback invocations. (UUM-17548)
UI Toolkit: Fixed BezierCurveTo() rounded caps when control points are very short. (UUM-40360)
UI Toolkit: Fixed Painter2D.BezierCurveTo() missing polygons when very far from the origin. (UUM-33511)
UI Toolkit: Fixed useless repaint when modifying the color for the first time of a VisualElement with the DynamicColor hint. (UUM-40007)
UI Toolkit: Fixed Vector Image scaling issue with scale-to-fill. (UUM-36067)
URP: Fixed Screen space Overlay UI rendered at the wrong size for scaling mode "Constant Pixel Size" or "Constant Physical Size", when HDR output is active. (UUM-36231)
VFX Graph: Fixed OutputUpdate warnings about spaces after end of line. (UUM-34453)
Package changes in 2023.1.3f1
Changeset
+Third Party Notices
Release notes
+Known Issues in 2023.1.3f1
3D Physics: Editor crashes on nv::cloth::FabricCookerImpl::cook when entering Play Mode (UUM-34029)
Asset Importers: Crash on "'anonymous namespace'::ConvertFBXShapes" when importing an FBX file (UUM-38104)
HD RP: The Editor becomes unresponsive and the machine performs worse when the Editor is opened (UUM-34562)
iOS: App freezes and the "You can attach a managed debugger now if you want” message doesn’t show up when running the app on iOS devices with the "Wait For Managed Debugger" setting enabled (UUM-39644)
MacOS: Crash on objc_msgSend when the Editor UI gets redrawn (UUM-34202)
Metal: Editor freezes when exiting Play Mode if the Game window position was changed or undocked during Play Mode (UUM-36218)
Metal: [iOS] Rendering freezes when the orientation is changed (UUM-9480)
Native Window Management: Crash on core::Join<core::basic_string<char,core::StringStorageDefault
> & ptr64,char const (& ptr64)[2],core::basic_string_ref > when the Editor runs out of memory saving an invalid override (UUM-36776) Platform Audio: [WebGL] A looping audio sounds different on WebGL than in the editor/native desktop player (UUM-12530)
Project Browser: Project Browser shows package resources when package visibility is disabled (UUM-32517)
Scene/Game View: Button triggers another Button when multiple Canvases are used in multiple windows (UUM-36255)
Universal RP: A memory leak occurs in the Player when Two Cameras are used and one of them has an "Output Texture" set (UUM-40695)
Universal RP: ArgumentNullException and Assertion failed errors thrown when enabling Opaque Texture, using the Hierarchy search bar, and viewing the Scene tab in Play Mode (UUM-36458)
Universal RP: Decal is not drawn when using Deferred Rendering, a Rendering Layer, and Screen Space Ambient Occlusion (UUM-39831)
Universal RP: RTHandles in URP causes memory allocation in multi-camera scenarios (UUM-19089)
Universal RP: [URP][XR] Performance degradation when comparing Android Quest 2 builds across 2020.3 and 2023.x (UUM-33025)
Visual Effects: Editor crashes on VFXRenderer::AddAsRenderNode when assigning a Renderer’s materials toits to materials/sharedMaterials (UUM-37360)
Visual Effects: [VFX Graph] Crash on VFXBatch::AddInstance when switching to Custom Batch Capacity in Asset Inspector (UUM-38059)
Web Platform: [WebGL] Build fails and Shader errors are logged when Code Optimisation is set to Runtime Speed (UUM-40103)
XR SRP: Editor performance drops as OculusRuntime.WaitToBeginFrame Time ms increases to 150-200 ms in Play Mode when MSAA is enabled and Scene View is opened/focused (UUM-40249)
2023.1.3f1 Release Notes
Improvements
- HDRP: When HDRP is disabled, Compute Shaders are being stripped. (UUM-29122)
Fixes
Android: Fixed Unity allocator crash when forcing -systemallocator on ARM64 with Android 10/11 or higher. (UUM-40105)
Documentation: Fixed Renderer2DData docs link. (UUM-39471)
Editor: Duplicated or copied GameObjects get pasted next to the original object or paste-target instead of at the end. (UUM-37634)
Editor: Fixed an issue where dragging an asset from the Packages folder to an empty Assets folder could cause a crash. (UUM-39919)
Editor: Fixed crash in Transform::RemoveFromParent. (UUM-38102)
Editor: Fixed menu missing after domain reload. (UUM-28905)
Editor: Fixed the ExposedReference property drawer ObjectField not updating when undo/redo is performed. (UUM-25157)
Editor: Updating outdated and broken links in the Help toolbar for Unity Discussions (old Unity Answers) & Unity Feedback. (UUM-40354)
GI: Fixed off-by-one error in version number used for margin method upgrade path. (UUM-40721)
Graphics: Fixed CustomRenderTexture depth test results failing on some platforms. (UUM-1839)
Graphics: Fixed Light movement and artifacts when multiple vertex lights are interacting. (UUM-36457)
Graphics: Fixed object motion vectors not rendering when drawing objects using the Graphics.Render* functions. (UUM-27825)
HDRP: Fixed wrong metapass when using planar/triplanar projection in HDRP. (UUM-22089)
Particles: Fixed incorrect simulation when using the Simulate Layers option on effects that contain non-looping sub-emitters. (UUM-40365)
Particles: Fixed potential crash when using systems relying on GeometryJobs. (UUM-36872)
Physics 2D: Fixed an issue where contacts are not solved correctly on iOS leading to tunnelling and random impulses.
Prefabs: Fixed PrefabModificationsForSerializedObject::DoPrefabModificationsNeedUpdate() is unnecessarily slow. (UUM-40630)
Scene/Game View: Fixed overlay menu position when mouse cursor is hovering another EditorWindow. (UUM-36915)
Scripting: Added a validation error when a user's Roslyn analyzer or Source generator references a version of .net standard incompatible with Visual Studio. (UUM-29638)
Scripting: Fixed performance regression on some API that take array parameters. (UUM-38089)
Scripting: Fixed Unity SourceGenerator to be loadable by Visual Studio. (UUM-34868)
SRP Core: Removed some unexpected SRP changed callback invocations. (UUM-17548)
UI Toolkit: Fixed BezierCurveTo() rounded caps when control points are very short. (UUM-40360)
UI Toolkit: Fixed Painter2D.BezierCurveTo() missing polygons when very far from the origin. (UUM-33511)
UI Toolkit: Fixed useless repaint when modifying the color for the first time of a VisualElement with the DynamicColor hint. (UUM-40007)
UI Toolkit: Fixed Vector Image scaling issue with scale-to-fill. (UUM-36067)
URP: Fixed Screen space Overlay UI rendered at the wrong size for scaling mode "Constant Pixel Size" or "Constant Physical Size", when HDR output is active. (UUM-36231)
VFX Graph: Fixed OutputUpdate warnings about spaces after end of line. (UUM-34453)
Package changes in 2023.1.3f1

Find the Unity version that’s compatible with your existing projects, or that provides you with specific features unavailable in newer versions.
