As a later patch in the cycle, v1.11.13 was primarily a designed to address bugs introduced by the massive mechanical shifts of the early 1.11 versions.
HoI 4 - Units dont get supply from Hub [Barbarossa v1. 11.13886b] [d173] * Frenchie2010. * Sep 17, 2022. Paradox Interactive Forums Hearts of Iron IV Barbarossa v1.11.13-P2P.torrent
A new interface allows for the specialization of departmental branches, the appointment of military advisors, and the selection of preferred combat tactics. As a later patch in the cycle, v1