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Unity 2021 2021.3.17f1 download

The world’s leading platform for real-time content creation

This is an older version. The current version is 2021.3.45f2. Unity 2021 2021.3.45f2 · Released:
2021.3.17f1 is part of the 2021.3 line, which reached its end of life on February 18, 2025. It no longer receives security fixes. endoflife.date

Installer files 2021.3.17f1

ArchitectureTypeScopeFile sizeDownloadSHA256
64-bit EXE (NSIS) All users — download.unity3d.com VirusTotal

Link and SHA256 come from the Windows Package Manager community manifest. Compare the hash of the downloaded file before running it.

Release notes

Features

- Visual Scripting: Added confirmation popup when resetting assemblies/types in project settings.
- Visual Scripting: Added confirmation popup when resetting project settings and editor preferences.
- Visual Scripting: Added Sticky Note for ScriptGraph and StateGraph.
- Visual Scripting: Nodes may now have a button which triggers a custom action in their inspector description.
- Visual Scripting: Nodes whose type cannot be found are now temporarily converted to dummy nodes until either their original type is defined again or the user replaces them.
- Visual Scripting: Support for parameter renaming in code used by API nodes.

Improvements

- Animation: Improved performance of AnimatorOverrideController.ApplyOverrides(). ("UUM-14753")
- Asset Import: Reduced the overhead of asset importing by limiting the number of copies of internal parameter structs.
- GI: Added a toggle for automatic recalculation of environment lighting in the Workflow section of the Lighting window. (UUM-13907)
- Package: Updated version of com.unity.learn.iet-framework to 3.1.1.
- Package: Updated version of com.unity.learn.iet-framework.authoring to 1.2.1.
- VFX Graph: Added a toggle in both VFX preferences in VFX Graph view to allow shader debug symbols with generated shaders. (UUM-19517)

API Changes

- Core: Added: Use these methods for improved performance when operating on both positions and rotations at the same time.Markdig.Syntax.Inlines.HtmlInline Transform.GetLocalPositionAndRotation()Markdig.Syntax.Inlines.HtmlInline Transform.GetPositionAndRotation()Markdig.Syntax.Inlines.HtmlInline TransformAccess.GetLocalPositionAndRotation()Markdig.Syntax.Inlines.HtmlInline TransformAccess.GetPositionAndRotation()Markdig.Syntax.Inlines.HtmlInline TransformAccess.SetLocalPositionAndRotation()Markdig.Syntax.Inlines.HtmlInline TransformAccess.SetPositionAndRotation()

Changes

- Editor: Updated the Unity FBX SDK bindings to version 4.1.2. which update Autodesk FBX SDK to 2020.3.2.
- Visual Scripting: AOTStubs are now generated for all nodes regardless of whether they represent a runtime or editor member. ("UVSB-2381")
- Visual Scripting: Increased zoom out distance in graphs.
- XR: Updated com.unity.xr.openxr package version to 1.6.0.
- XR: Updated XR Core Utilities to 2.0.1.

https://unity3d.com/unity/whats-new/2021.3.17

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