# What changed in @graphiql/toolkit

> 1 change in @graphiql/toolkit 0.12 from its official release notes, upgrade guides and advisories. Each one cited. Sources checked 2026-10-27. HTML: https://unstale.sh/npm/@graphiql/toolkit/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## @graphiql/toolkit 0.12

### Behavior and default changes

- Sends the spec-compliant Accept header application/graphql-response+json. (0.12.0) — [release notes](https://github.com/graphql/graphiql/releases/tag/%40graphiql/toolkit%400.12.0)