UUM-155877

Fixed in 7000.0.0a10

Mentioned in 5 Unity 7 release notes.

First fixed in 7000.0.0a10 (Oct 15, 2026); relisted in 4 later releases.

All (9)Unity 7 (5)Unity 6 (4)
Open on Unity Issue Tracker
VersionSectionRiskImpactNote
7000.0.0a16Fixes
Terrain
FixFixed terrain painting being lost without any message when a new TerrainData was saved with AssetDatabase.CreateAsset after its terrain layers were assigned. A warning now explains the loss and how to avoid it.
7000.0.0a12Fixes
Terrain
FixFixed terrain painting being lost without any message when a new TerrainData was saved with AssetDatabase.CreateAsset after its terrain layers were assigned. A warning now explains the loss and how to avoid it.
7000.0.0a11Fixes
Terrain
FixFixed terrain painting being lost without any message when a new TerrainData was saved with AssetDatabase.CreateAsset after its terrain layers were assigned. A warning now explains the loss and how to avoid it.
7000.0.0a10Fixes
Terrain
FixFixed terrain painting being lost without any message when a new TerrainData was saved with AssetDatabase.CreateAsset after its terrain layers were assigned. A warning now explains the loss and how to avoid it.
7000.0.0a10Fixes
Terrain
FixFixed terrain painting being lost without any message when a new TerrainData was saved with AssetDatabase.CreateAsset after its terrain layers were assigned. A warning now explains the loss and how to avoid it.

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