> For the complete documentation index, see [llms.txt](https://docs.shadow.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.shadow.xyz/modify-contracts.md).

# MODIFY CONTRACTS

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