# What changed in flask-cors

> 2 changes in flask-cors 6 from its official release notes, upgrade guides and advisories. Each one cited. Sources checked 2026-10-18. HTML: https://unstale.sh/pypi/flask-cors/

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

## flask-cors 6

### Tooling

- MyPy typing was added, enabling type checking for flask-cors. (6.0.4) — [release notes](https://github.com/corydolphin/flask-cors/releases/tag/6.0.4)

### Fixes and other changes

- CORS type signatures support Blueprints again, fixing strict type checking when using Blueprints. (6.0.5) — [release notes](https://github.com/corydolphin/flask-cors/releases/tag/6.0.5)