New type of module: Rigor modules. Rigor modules increase the probability of a recipe returning its most valuable product.
Mods introducing new content into the game.
Furnaces, assembling machines, production chains.
This mod removes the ability to put Productivity on Ammo that that mod gives.
Thanks for the report! Looking into this.
Tracking this issue here: https://gitlab.com/jfletcher94/factorio-mods/-/issues/12
Fixed in v0.1.9