Our SDK has been released on the official Unreal Engine 4 Launcher,
You can read more about it by clicking here.
Squad also has a large modding community to help your learn, check out the Modding discord channel with over 1500 members, or join the official squad forums and visit the squad modding section for tutorials or even check out OffWorld Industries on twitch where our very own Irontaxi maps live while answering questions about modding / map design.
Squad Modding Discord
Squad Modding Subforum
Offworld Industries Twitch