---
title: Changelog
description: What changed in the Subgraph Handbook, newest first, so returning readers know which pages to reread.
url: https://yashpersonal.thally.app/changelog
---

# Changelog

What changed in the Subgraph Handbook, newest first, so returning readers know which pages to reread.

## v0.1.0

First published version.

- Introduction covering what a subgraph is and who this handbook is for.
- Quickstart that deploys the Gravity contract subgraph to Subgraph Studio
  and verifies it with a query.
- Guide to debugging a failed subgraph using the index node status query,
  with fixes for the six most common failure messages.