I think the loadouts for the Allied bombers need a reworking.
There is no loadout for incendiary bombs for the USAAF heavies, for example, despite the 100-lb incendiary being the fourth most dropped bomb by the USAAF over Europe (behind, in descending order, the 500 lb GP, 100 lb GP, and 250 lb GP). The 'Tokyo tanks' in the B-17 are treated as if they are optional auxiliary tanks when in fact they were a standard part of the aircraft, and were routinely filled for missions, even if not necessarily needed, in order to give the bomber plenty of reserve fuel. (The 'Tokyo tanks' were added during the B-17F production run, meaning the B-17F should really have two separate versions within the game, one with the tanks and one without. A similar issue with auxiliary tanks exists for the B-24.) There's no 8,000 lb HC bomb loadout option for the Bomber Command heavies, and in general loadouts available in the game don't reflect enough the variety of bomb loads the RAF used. (I've spent quite a bit of time going through squadron ORBs finding the actual bomb loads carried on missions during the war.)
Part of the issue without loadouts is that there are too few loadout options. The game allows only five loadouts per aircraft, with each loadout able to hold up to ten devices. From my look through the CSV data files, the most devices an aircraft uses in a loadout is five, meaning the other five device slots are wasted space. It would have been so much better had it been ten loadouts available, with each able to contain up to five devices. That's the same total of loadout/device slots, but would have yielded far more options to equip aircraft. Oh well . . .