# MODIFY CONTRACTS

- [Versioning](/modify-contracts/versioning.md): Your shadow fork has immutable versioning so you can safely deploy changes without disrupting previously running jobs.
- [How to's](/modify-contracts/how-tos.md)
- [Proxy contracts](/modify-contracts/how-tos/proxy-contracts.md)
- [Using oracles](/modify-contracts/how-tos/using-oracles.md)
- [Factory contracts](/modify-contracts/how-tos/factory-contracts.md)
- [Interdependent shadow contracts](/modify-contracts/how-tos/interdependent-shadow-contracts.md)