I'm not perfect, plus this is the first changelog I've ever written. Here goes:

Boltbox:
-Now accepts items:
--Heater Rod
--Buzzer Blades
--Harpoon Bundle


Bolts:
-Buzzer Blades:
--Stack up to 10
--Cost 5 steel bars to craft
-Harpoon Bundle:
--Stack up to 10
--Cost 8 steel bars to craft
-Heater Rods:
--Stack up to 10

Blueprints:
-Added:
--Buzzer Blade blueprint
--Harpoon Bundle blueprint

Vendor changes:
-Ranger (I think, it's crossbow ammo - high in the FCS) stores:
--Sell Buzzer Blades blueprint
--Sell Harpoon Bundle blueprint