> For the complete documentation index, see [llms.txt](https://docs.x1.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.x1.xyz/validating/network-upgrades.md).

# Network upgrades

- [Tachyon 2.0](https://docs.x1.xyz/validating/network-upgrades/tachyon-2.0.md)
- [Advanced Notes](https://docs.x1.xyz/validating/network-upgrades/tachyon-2.0/advanced.md)
- [Validator restart](https://docs.x1.xyz/validating/network-upgrades/validator-restart.md): How to stop, start, and verify your X1 validator.