UUM-154590

Fixed in 6000.7.0b5

Mentioned in 6 Unity 6 release notes.

First fixed in 6000.7.0b5 (Oct 15, 2026); relisted in 5 later releases.

All (13)Unity 7 (7)Unity 6 (6)
Open on Unity Issue Tracker
VersionSectionRiskImpactNote
6000.7.0b8Fixes
Entities
FixFixed unsaved changes in a Sub Scene being lost without a save prompt when a duplicate Sub Scene that references the same scene was deleted or had its Scene Asset changed.
6000.7.0b7Fixes
Entities
FixFixed unsaved changes in a Sub Scene being lost without a save prompt when a duplicate Sub Scene that references the same scene was deleted or had its Scene Asset changed.
6000.6.7f1Fixes
Entities
FixFixed unsaved changes in a Sub Scene being lost without a save prompt when a duplicate Sub Scene that references the same scene was deleted or had its Scene Asset changed.
6000.7.0b6Fixes
Entities
FixFixed unsaved changes in a Sub Scene being lost without a save prompt when a duplicate Sub Scene that references the same scene was deleted or had its Scene Asset changed.
6000.7.0b5Fixes
Entities
FixFixed unsaved changes in a Sub Scene being lost without a save prompt when a duplicate Sub Scene that references the same scene was deleted or had its Scene Asset changed.
6000.7.0b5Fixes
Entities
FixFixed unsaved changes in a Sub Scene being lost without a save prompt when a duplicate Sub Scene that references the same scene was deleted or had its Scene Asset changed.

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