# Contributor Documentation

- So You Want to Contribute…
- How Can I Help?
- Setting up Keystone
- Identity API v2.0 and v3 History
- Proposing Features
- Working with Release Notes
- Testing Keystone
- Developing `doctor` checks
- Making an API Change
- Authentication Plugins
- Database Migrations
- Identity entity ID management for domain-specific backends
- Learning Architecture Internals
- Keystone for Other Services
- Developing Keystone Drivers
- Service Catalog Overview
- Technical Vision for Keystone
- Programming Exercises for Interns and New Contributors

this page last updated: 2026-06-11 21:49:06

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