> **Navigation**: [Home](../index.md) > Migration

# Migration Guides

Guides for migrating from legacy patterns to current ONEX standards.

## Available Migrations

| Document | Description |
|----------|-------------|
| [Wire Default Handlers Migration](MIGRATION_WIRE_DEFAULT_HANDLERS.md) | Migrate from `wire_default_handlers()` to contract-driven handler discovery |

## Related Documentation

- [Handler Plugin Loader](../patterns/handler_plugin_loader.md) - New handler loading pattern
- [Handler Protocol Architecture](../architecture/HANDLER_PROTOCOL_DRIVEN_ARCHITECTURE.md) - Handler system design
