Mr Ancient Brass is only getting the following attacks:
Claw, Crush and Wing - this is Equipment (Listed as Carried) and Proficiencies.
I should have in addition - Bite and Tail Slap (Which are displayed in the equipment, and ALL are listed as equipped to the Natural-Primary slot)
Another confusing aspect, the natural attacks that are on the sheet show as MEDIUM size for my HUGE dragon.
Natural attacks not equipping - yep that's an issue with the facets I think. I'll see what can be done about it.
Just checked back to 5.16.4, natural attacks have always been listed as medium - we just need to make sure the damage shown is correct. No plans to change that behaviour just now, but feel free to raise it as another feature request.
All attacks are listed as primary weapons due to the way you define them. The DRAGON_ATTACKS ability grants the individual abilities (e.g. Tail Slap) which grant size appropriate attacks. As these attacks are defined first in a NATURALATTACKS line, they are by definition primary attacks. By the looks of it you have sized abilities prepared (e.g. DRAGON_ATTACKS_H) which correctly define the natural attacks in a single block, which means only the first in the block is a primary attack and all others are secondary. If you switch to use those, does it work properly?
Natural attacks now get equipped to the primary/secondary slots depending on how they are specified.
I'll have to adjust the secondaries, as I'm sure it's breaking a feat or two. Thanks for the fix, I'll give it a whirl.