{"id":185390,"number":"23.90U","type":"TS","title":"UMTS Network Aspects; Network performance requirements","series":23,"status":"Withdrawn before change control","initial_release":"UMTS","primary_group":null,"secondary_groups":[],"portal_id":2852,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2852","dynareport_url":"https://www.3gpp.org/dynareport/2390U.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-10-09T12:03:39.716034+00:00","updated_at":"2026-10-16T09:34:55.609033+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2852"},"detail_synced_at":"2026-10-09T12:05:29.842968+00:00","versions":[],"release_presence":[],"classifications":[],"work_items":[],"change_requests":[],"relationships":[],"relationship_release_evidence_summary":[],"relationship_release_evidence":[],"relationship_release_evidence_meta":{"total":0,"returned_count":0,"limit":100,"truncated":false,"href":"/api/specs/23.90U/relationship-evidence"}}