Ludger's new editor will automatically detect if you are loading a 1.03 database and convert it to the 1.04 format without any manual input.
The changes I am making are either upgrades or attempting to resolve direct compatibility issues in terms of function (mostly redundant things in the mod that have been fixed in the engine, like getting helos and aircraft to attack reliably).
I've updated the list above as well.
Cheers,
David