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21
votes
Fixed

Shader compilation time is higher in 2021.3 than in 2020.3

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Oct 19, 2022

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Version/s: 2021.3.12f1, 2022.1.21f1, 2022.2.0b12, 2023.1.0a13

Reproduction steps:1. Open the “ShaderCompilation” project2. Make sure “Library/ShaderCache” is deleted3. Open the “Addressables Gro... Read more

15
votes
Fixed

[IL2CPP]System.Runtime.Serialization.Formatters.BinaryFormatter doesn't ...

IL2CPP

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Oct 19, 2021

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Version/s: 2021.2.0a18, 2021.2.0b14, 2022.1

Reproduction steps:1. Open the attached project "BinaryFormatter.zip"2. In File > Build Settings, make sure that Scenes/SampleSce... Read more

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 API3. Build And Run the "LUM... 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 project3. Add a comment4. Save ... 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-2023-07-17-17-19-53-321.... 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" Scene3. Open the Profiler (Window ... 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 project2. In Unity, under Tools/Configuration..., click on Generate with the default settings.... 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 Time and GP... 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 ImportScene3. Press the Play button4. Obser... 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 pac... Read more

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