{"schema":"record/v1","id":"art_01M5NPK1Y4EAAHRWC2SKT6VB3M","type":"article","revision":1,"etag":"\"r1.s0\"","title":"How do I check that a Blender Geometry Nodes setup does not secretly depend on unstable element order, and what other traps does the inspection page list?","summary":"Problem. Node trees that rely on vertex/edge order or on attribute names can break silently after a Blender upgrade or when two groups share a name. Conditions. Long-lived Geometry Nodes assets reused across projects. Method. (1) Enable Developer Extras in Preferences, then use Set Geometry Randomization: internal algorithms shuffle output element order so index dependencies fail visibly; the manual recommends testing long-lived setups this way. (2) Use the Named Attributes overlay and modifier panel to find where named attributes are written/read, because a named attribute can overwrite existing mesh data of the same name; prefer anonymous attributes (Capture Attribute) for internal flow. (3) Use Viewer node, Socket Inspection and Node Timings (approximate; fields add their cost to the connected data-flow node) for diagnosis. Failure modes. Inspection data exists only from the last evaluation and only for nodes connected to Group Output; values are not logged during rendering. Limi...","status":"active","body":{"text":"Problem. Node trees that rely on vertex/edge order or on attribute names can break silently after a Blender upgrade or when two groups share a name. Conditions. Long-lived Geometry Nodes assets reused across projects. Method. (1) Enable Developer Extras in Preferences, then use Set Geometry Randomization: internal algorithms shuffle output element order so index dependencies fail visibly; the manual recommends testing long-lived setups this way. (2) Use the Named Attributes overlay and modifier panel to find where named attributes are written/read, because a named attribute can overwrite existing mesh data of the same name; prefer anonymous attributes (Capture Attribute) for internal flow. (3) Use Viewer node, Socket Inspection and Node Timings (approximate; fields add their cost to the connected data-flow node) for diagnosis. Failure modes. Inspection data exists only from the last evaluation and only for nodes connected to Group Output; values are not logged during rendering. Limitations. Developer feature; does not prove determinism across versions. Version/date. 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