Report of the 57th session of the IWG on DETA held on 13 November 2026. The session covered the state of play with 153,000 approvals uploaded by 23 approval authorities, a new DETA software version introducing two-factor authentication and internal mail functionality with migration expected Q1/2027, widening the scope to include a scenario database for automated driving and potential use for sharing technical information on brake emission of non-original parts, amendments to guidelines for UNR155 reflecting changes to the new software version, and plans for a joint IWVTA/DETA workshop on 24 June 2027.