So long as we’re talking about taking more liberties with Rogue One, no Vader hallway scene. Instead, after the Death Star evaporates Jyn & Cassian, fade to white on Mina-Rau, with Bix holding her & Cassian’s baby. Then cut to Leia on the Tantive IV.
Honestly removing the hallway scene would be a mistake.
not to mention that there is maybe minutes to hours between rogue one and a new hope, the bridging scenes smooth that already rough transition.