Was there ever any indication that the Minbari are significantly less advanced then than they are 'now'? I've never really read into the 'canon' AoG and B5Wars stuff. They obviously had holo-imaging and gravitic drives back then (from Ww/oE). We don't see them firing any weapons in war without end footage, so no clear sight of beams to prove or disprove that they had them.
Back then, the other Ancients may have been the 'last of the first ones' to which Delenn referred. Though it was always pretty clear to me that the Vorlons were involved (you see two of them with Valen, for a start).
Mongoose, or at least the way it's written in Armageddon though seem to think that the newer designs like the Neroon are the last gasps of a dying race by the Crusade era.
Back then, the other Ancients may have been the 'last of the first ones' to which Delenn referred. Though it was always pretty clear to me that the Vorlons were involved (you see two of them with Valen, for a start).
Mongoose, or at least the way it's written in Armageddon though seem to think that the newer designs like the Neroon are the last gasps of a dying race by the Crusade era.