# Upgrading Versions

Upgrade between Svrnty.CQRS versions.

## Version 1.0 to 2.0

### Breaking Changes

- Handler method renamed from `Handle` to `HandleAsync`
- Discovery changed from assembly scanning to metadata
- Endpoint generation changed to source generators

### Migration Steps

1. Update package references
2. Rename `Handle` to `HandleAsync`
3. Update service registration
4. Regenerate proto files (gRPC)

## See Also

- [Migration Guides Overview](README.md)