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

# Developer Guides

- [Customizing a subnet](https://docs.ipc.space/developer-guides/pluggable-syscall-tutorial.md): Tutorial to add a new syscall to Filecoin Virtual Machine and create a new built-in actor in IPC to activate the syscall
- [Upgrading a subnet](https://docs.ipc.space/developer-guides/upgrades.md)
- [Example: Patching actor state](https://docs.ipc.space/developer-guides/upgrades/patch-state.md)
- [Example: Upgrading Wasm actor](https://docs.ipc.space/developer-guides/upgrades/upgrade-wasm-actor.md)
- [Deploying an explorer](https://docs.ipc.space/developer-guides/deploy-blockscout.md)