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17
votes
Third Party Issue

Build stops responding when building a project that uses DirectX11 graph...

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Jan 24, 2023

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Version/s: 2021.3.17f1, 2022.2.4f1, 2023.1.0a26

Reproduction steps: 1. Open the attached “repro-project“ 2. Make sure the project uses DirectX11 graphics API 3. Build And Run t... Read more

17
votes
Fixed

Focus changes from the IDE to the Unity Editor when compiling code in th...

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Jul 30, 2025

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Version/s: 6000.0.54f1, 6000.1.14f1, 6000.2.0b12, 6000.3.0a3

How to reproduce: 1. Open a larger project (e.g., “VR Multiplayer” sample) 2. Edit any script from the project 3. Add a comment ... Read more

35
votes
Fixed

Performance degradation when activating or deactivating uGUI GameObject

Scripting

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Jul 08, 2021

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Version/s: 2019.4.29f1, 2020.3.13f1, 2021.1.10f1, 2021.2, 2022.1

Reproduction steps: 1. Open the attached project "PerformanceBug.zip" 2. Open the "PerformanceTest" Scene 3. Open the Profiler (Wind... Read more

35
votes
Won't Fix

OnImportAsset leaks 5GB of memory

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Jul 17, 2023

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Version/s: 2021.3.17f1, 2022.3.3f1, 2022.3.4f1, 2023.1.4f1

Run the Test.cs by importing a empty .foo file and unity will never dispose of 5GB of allocated data !image-2023-07-17-17-19-53-3... Read more

54
votes
Fixed

[Regression] AssetBundleManager crashes editor in GetAllScenePathsFromAs...

Asset Bundles

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Mar 06, 2018

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Version/s: 2017.3.1p2

How to reproduce: 1. Download attached project 2. In Unity, under Tools/Configuration..., click on Generate with the default setting... Read more

199
votes
Fixed

Meta Quest performance loss between URP versions when built

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Sep 28, 2022

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Version/s: 2020.3.39f1, 2021.3.10f1, 2022.1.17f1, 2022.2.0b8, 2023.1.0a10, 2023.2.0a1

Reproduction steps: # Open the user’s attached project “QuestURPPerf2020.zip” # Enable the Metrics HUD in ODH to see App GPU Tim... Read more

42
votes
By Design

Animation playback is incorrect when using Asset Bundle exported from Un...

Animation

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Dec 22, 2021

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Version/s: 2019.4, 2020.3, 2020.3.11f1, 2021.2, 2022.1, 2022.2

How to reproduce: 1. Open the user's attached project (ImportBundleTest.zip) 2. Open scene ImportScene 3. Press the Play button 4. O... Read more

146
votes
Fixed

UV1 data is lost during AssetBundle build when Optimize Mesh Data is on

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Nov 27, 2023

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Version/s: 2021.3.33f1, 2022.3.14f1, 2023.2.2f1, 2023.3.0a16

How to reproduce: 1. Open the attached project "liltest2022-standalone.zip" 1a. When opening in early Unity versions the following... Read more

26
votes
Fixed

Animator controller layers cannot be reordered and throw constant NullRe...

Themes

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May 14, 2019

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Version/s: 2018.4.0f1, 2019.2.0a12, 2019.3.0a1

How to reproduce: 1. Create a new project 2. In the Project window create a new animator controller 3. Double click it and in the An... Read more

13
votes
Duplicate

UnityEvent drawer does not handle generic event parameters correctly whe...

Package: UGUI

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Oct 13, 2019

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Version/s: 1.0.0

How to reproduce: 1. Open tester-attached project (case_1191206-UnityEventIssue-Updated) 2. Select the 'Base' GameObject 3. See that... Read more

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