UUM-120424

Fixed in 6000.3.1f1

Mentioned in 33 release notes.

First fixed in 6000.3.1f1 (Dec 9, 2025); relisted in 29 later releases.

Open on Unity Issue Tracker
VersionSectionRiskImpactNote
6000.5.0b8Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0b7Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0b6Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0b5Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0b4Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0b3Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0b2Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0b1Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0a9Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0f1Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0a8Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b11Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b10Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b8Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b9Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0a7Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0a6Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b7Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b6Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b5Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0a5Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b4Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0a4Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b3Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b2Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.5.0a3Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b1Known Issues
Serialization
CautionKnown issueExceedingly long wait on InspectorWindow.Repaint when selecting a large SVG file in the Project window
6000.4.0b1Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.4.0b1Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.0.64f1Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.3.1f1Fixes
Serialization
FixFixed performance regression when rendering large arrays in the Inspector.
6000.3.0f1Known Issues
Serialization
CautionKnown issueExceedingly long wait on InspectorWindow.Repaint when selecting a large SVG file in the Project window
6000.0.63f1Known Issues
Serialization
CautionKnown issueExceedingly long wait on InspectorWindow.Repaint when selecting a large SVG file in the Project window

Pick your Unity version

Unity Releases compares releases against the version your project is on. Picking it now keeps Compare versions focused on what changes between where you are and where you might be going.