With the full release of 7D2D Update 1.0, you'll need to make sure you're set before clicking the update button.
With this release, you'll need to start a new save game. Here's what you'll need to do.
1. Because the new update requires a new save, make sure to change either the Game World, World Gen Seed or Game Name in the Basic Server Settings to start a fresh world. If you are on any of the old Pregens such as PREGEN10K, you will need to switch the Game World to one of the new ones.
2. Once these have been saved, click Save Config & Restart Server
3. Finally, click Update