The RFCs for DTNs got published! (formerly discussed in the IRTF DTNRG, now in the IETF DTN WG)
RFC 9171: Bundle Protocol Specification version 7 by S. Burleigh, K. Fall, E. Birrane, III
RFC 9172: Bundle Protocol Security (BPsec) by E. Birrane, III, K. McKeever
RFC 9173: Default Security Contexts for Bundle Protocol Security (BPSec) by E. Birrane, III, A. White, S. Heiner
RFC 9174: Delay-Tolerant Networking TCP Convergence-Layer Protocol Version 4 by B. Sipos, M. Demmer, J. Ott, S. Perreault