# Advanced

- [Action Handlers](/v3.8/advanced/action-handlers.md)
- [Actions Life Cycle](/v3.8/advanced/actions-life-cycle.md)
- [Cancellation](/v3.8/advanced/cancellation.md)
- [Composition](/v3.8/advanced/composition.md)
- [Error Handling](/v3.8/advanced/errors.md)
- [Ivy Migration Guide](/v3.8/advanced/ivy-migration-guide.md)
- [Lazy Loading](/v3.8/advanced/lazy.md)
- [Life-cycle](/v3.8/advanced/life-cycle.md)
- [Mapped Sub States](/v3.8/advanced/mapped-sub-states.md)
- [Meta Reducers](/v3.8/advanced/meta-reducer.md)
- [Monitoring Unhandled Actions](/v3.8/advanced/monitoring-unhandled-actions.md)
- [Optimizing Selectors](/v3.8/advanced/optimizing-selectors.md)
- [Options](/v3.8/advanced/options.md)
- [Selector Utils](/v3.8/advanced/selector-utils.md)
- [Shared State](/v3.8/advanced/shared-state.md)
- [State Token](/v3.8/advanced/token.md)
- [State Operators](/v3.8/advanced/operators.md)
- [Sub States](/v3.8/advanced/sub-states.md)