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0
votes
Fixed

Warning "ItemA is being serialized by [SerializeReference], but is missi...

Serialization

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Dec 05, 2025

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Version/s: 6000.0.63f1, 6000.2.14f1, 6000.3.0f1, 6000.4.0a5, 6000.5.0a2

How to reproduce:1. Open the attached project "IN-125546"2. Observe the Console Actual result: Warning appears in the consoleExpecte... Read more

0
votes
Active

Crash on Object::IncrementPersistentDirtyIndex when reconnecting a speci...

Serialization

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Jan 07, 2026

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Version/s: 6000.0.65f1, 6000.3.3f1, 6000.4.0b3, 6000.5.0a4

How to reproduce:1. Open the attached “IN-123610.zip” project2. Open the “SampleScene”3. Right click the “Enviro 3” GameObject and s... Read more

0
votes
Fixed

Unity quits unexpectedly after selecting Start (Editor Mode) in Standalo...

Serialization

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Jan 16, 2026

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Version/s: 6000.5.0a5

Steps to reproduce: Create a new Unity project Go to the "Standalone App" menu item Select "Start (Editor Mode)" Observe the result ... Read more

0
votes
Fixed

UnityEvent does not get pasted to a uGUI component when trying to copy i...

Serialization

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Feb 12, 2026

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Version/s: 6000.0.66f2, 6000.3.6f1, 6000.4.0b6, 6000.5.0a5, 6000.6.0a1

How to reproduce:1. Open the attached "IN-132255_My project.zip" project2. Open the "SampleScene"3. In the Hierarchy, select TestObj... Read more

0
votes
Active

Crash on _platform_memmove after entering large value in Graphics settin...

Serialization

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Feb 12, 2026

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Version/s: 6000.0.67f1, 6000.3.9f1, 6000.4.0b9, 6000.5.0a7, 6000.6.0a1

Reproduction steps:1. Create a new project2. Edit > Project Settings… > Graphics3. Enter large number in Preloaded Shaders fie... Read more

0
votes
Active

Prefab Variant does not get updated when changes are made on "OnValidate...

Serialization

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Feb 13, 2026

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Version/s: 6000.0.67f1, 6000.3.8f1, 6000.4.0b8, 6000.5.0a7

How to reproduce:1. Open the “PrefabVariantOnValidate.zip“ project2. Open the “Prefab” and “Prefab Variant” in Notepad3. Observe tha... Read more

0
votes
Fixed

The OnValidate method is not invoked when reverting changes on a Prefab ...

Serialization

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Feb 13, 2026

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Version/s: 6000.0.67f1, 6000.3.8f1, 6000.4.0b8, 6000.5.0a7, 6000.6.0a1

How to reproduce:1. Open the "PrefabVariantOnValidate.zip" project2. Select the "Prefab Variant" Prefab Variant in the Project tab3.... Read more

0
votes
Fixed

Object reference is saved on an incorrect property when FormerlySerializ...

Serialization

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Feb 20, 2026

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Version/s: 6000.0.67f1, 6000.3.8f1, 6000.4.0b8, 6000.5.0a7, 6000.6.0a1

How to reproduce:1. Open the attached project “IN-135047”2. In the Project window, right click the “Assets/Cube” prefab and select “... Read more

0
votes
Active

"Unsupported type" error gets thrown when saving prefabs with custom ser...

Serialization

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Mar 02, 2026

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Version/s: 6000.0.67f1, 6000.3.8f1, 6000.4.0b8, 6000.5.0a7, 6000.6.0a1

How to reproduce:1. Open the attached “IN-134857” project2. Open the “MainMenuManager” prefab from the Project window3. In the Inspe... Read more

0
votes
Fixed

Prefab's "Remove Unused Overrides" fails to clean up overrides when the ...

Serialization

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Mar 02, 2026

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Version/s: 6000.0.68f1, 6000.3.10f1, 6000.4.0b10, 6000.5.0a7, 6000.6.0a1

How to reproduce:1. Open the attached “IN-132795.zip” project2. Open the “RefsOverridesBugScene” scene3. In the Hierarchy tab, click... Read more

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