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[Hierarchy V2] “ArgumentNullException: Value cannot be null.” errors are...

Hierarchy V2

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Mar 27, 2026

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Version/s: 6000.3.12f1, 6000.4.1f1, 6000.5.0b1, 6000.6.0a1

Reproduction steps:1. Create a new project and make sure that “Use new Hierarchy window” option is enabled (Edit > Preferences… &... Read more

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Parent does not collapse in the new Hierarchy when a child is selected a...

Hierarchy V2

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Feb 26, 2026

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Version/s: 6000.3.10f1, 6000.4.0b11, 6000.5.0a8, 6000.6.0a1

How to reproduce:1. Open the attached “IN-135364” project2. Open the “SampleScene”3. Open the Preferences window (Unity > Setting... Read more

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Hierarchy v2: Nodes with circular references are unreachable and methods...

Hierarchy V2

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Mar 02, 2026

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Version/s: 6000.5.0a9, 6000.6.0a1

Steps to reproduce: Open attached project and select menu Tools->Hierarchy->Test circular reference Click on option 1 to creat... Read more

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Won't Fix

"Invalid AssetDatabase path" warnings are spammed when hovering on the H...

Hierarchy V2

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Mar 03, 2026

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Version/s: 6000.3.10f1, 6000.4.0b11, 6000.5.0a8, 6000.6.0a1

How to reproduce:1. Create two empty projects2. In one of the projects, create any GameObject in the Hierarchy3. Drag the created Ga... Read more

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Duplicate

Multi Select options are not displayed in the Inspector when selecting a...

Hierarchy V2

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Mar 03, 2026

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Version/s: 6000.5.0a8

Steps to reproduce: Open any Project Enable the "Use new Hierarchy window" flag in the Preferences Window's General panel In any Sce... Read more

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Active

Unused separation line is used in the Prefab Context Menu when right cli...

Hierarchy V2

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Mar 12, 2026

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Version/s: 6000.5.0a9, 6000.6.0a2

Steps to reproduce: Create or open a URP Project Go to Preferences > General and enable the "Use the new Hierarchy" flag In a Sce... Read more

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In Progress

InvalidOperationException is thrown when undo create empty parent

Hierarchy V2

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Mar 17, 2026

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Version/s: 6000.5.0a7, 6000.6.0a2

Steps to reproduce: select a game object and right click select create empty parent undo Actual results: InvalidOperationException i... Read more

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In Progress

Inconsistent columns selection/toggle behaviours compared to legacy

Hierarchy V2

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Mar 17, 2026

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Version/s: 6000.5.0b1, 6000.6.0a2

Scenario 1 :Steps to reproduce: Select multiple nodes and toggle one of the selected nodes column(visibility/pickability, active, st... Read more

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Active

Renaming issues when clicking a selected node and immediately deleting it.

Hierarchy V2

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Mar 24, 2026

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Version/s: 6000.6.0a2

There are two issues that can happen when deleting a node that is in the process of entering its rename mode: Rename starts on anoth... Read more

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Active

Hierarchy v2: node with hide flag turned on should not be searchable in ...

Hierarchy V2

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Mar 23, 2026

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Version/s: 6000.5.0b2, 6000.6.0a2

Steps to reproduce: set hide flags on node in runtime by: void Start() \{ gameObject.hideFlags = HideFlags.HideInHierarchy; } search... Read more

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