What is fallout 4 update?

As an AI language model, my training data only goes up to October 2021, so I will provide information about some of the past updates that have been released for Fallout 4:

1. Update 1.9: This was a major update that was released in 2016. It added support for the PS4 Pro, which allowed the game to run in 4K resolution. It also added the Survival Mode, which made the game more challenging by requiring players to manage their hunger, thirst, and sleep.

2. Update 1.8: This update introduced the Nuka-World DLC, which is set in an amusement park that has been taken over by raiders. The DLC added new quests, enemies, weapons, and armor.

3. Update 1.7: This update added the Vault-Tec Workshop DLC, which allowed players to build their own vaults and experiment on dwellers. It also added new objects, such as elevators and vault doors, and new workshop items.

4. Update 1.6: This update added the Contraptions Workshop DLC, which allowed players to build machines and conveyor belts to automate their settlements. It also added new objects, such as elevators, fireworks, and armor racks.

Overall, the updates for Fallout 4 have added new content, fixed bugs, and improved the performance of the game on various platforms.