UUM-151757

Fixed in 6000.6.3f1

Mentioned in 1 release note.

First fixed in 6000.6.3f1 (Sep 24, 2026).

Open on Unity Issue Tracker
VersionSectionRiskImpactNote
6000.6.3f1Fixes
Player
FixList [SerializeReference] fields losing or corrupting elements when cloned with Object.Instantiate() in a built Standalone Player, if another [SerializeReference] field was declared before the list on the same class. (UUM-151757).

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.