> Markdown version of [Configuration and advanced topics](https://vaadin.com/docs/v10/mpr/configuration). Section index: [llms.txt](https://vaadin.com/docs/v10/mpr/llms.txt)

# Configuration and advanced topics

- [Adding Legacy Components in a Flow Layout](https://vaadin.com/docs/v10/mpr/configuration/adding-legacy-components.md)
- [Legacy theme in MPR](https://vaadin.com/docs/v10/mpr/configuration/legacy-theme.md)
- [Custom widgetset and MPR](https://vaadin.com/docs/v10/mpr/configuration/legacy-widgetset.md)
- [Limitations of MPR](https://vaadin.com/docs/v10/mpr/configuration/limitations.md)
- [Setting up production mode](https://vaadin.com/docs/v10/mpr/configuration/production-mode.md)
- [Push and MPR](https://vaadin.com/docs/v10/mpr/configuration/push.md)
- [Using sessions with MPR](https://vaadin.com/docs/v10/mpr/configuration/session.md)
- [Using a custom legacy UI class](https://vaadin.com/docs/v10/mpr/configuration/custom-ui.md)