The 5th Emergency Door Opening Task Force meeting was held 21–23 April 2026 in Seoul. The meeting minutes of the 4th EDO meeting were adopted without amendment. A report concerning the TF EDO work programme was delivered to WP.29 AC.2 and AC.3 during the 198th session of WP.29, with informal endorsement to transform the Task Force into an Informal Working Group. Discussions addressed amendments to UN Regulation No. 11 and No. 21, including test procedures for power loss, interior and exterior door opening, intuitiveness, and backup systems. Documents EDO-05-03, EDO-05-04, EDO-05-05, EDO-05-07, EDO-05-08, EDO-05-09, and EDO-05-12 were reviewed. Multiple homework items were assigned for completion before the 6th EDO meeting scheduled for 1–3 September 2026 in Paris.