In this deep dive, Jan Mevissen shares the journey of building BSBW the official education platform for the state of Baden-Württemberg (Germany) used by over 140,000 teachers and 1.5 million students.

You’ll get an inside look into the challenges and victories of designing, developing, and deploying one of the most ambitious Plone-based systems to date. From a multi-tenant architecture to rich metadata, advanced user roles, accessibility at every layer, and seamless content migration this talk offers practical insights and lessons learned from a real-world flagship project.

What makes BSBW special?

• Extensive Volto customization, including editorial templates, H5P blocks, 3D model rendering, and dynamic listing views
• Fully integrated editorial workflows and access control tailored for public-sector content governance
• Smart content transformation pipelines: from Office files to Plone blocks, and even .epub exports
• Advanced search and metadata architecture, including Solr integration and personalized search dashboards
• Accessibility taken seriously: automated CI checks, manual testing, and real-world user feedback
• A clean UX based on the official state-wide corporate design of Baden-Württemberg

Whether you’re building a public sector platform, working on a migration, or planning a Plone 6 Volto rollout at scale this talk will show what’s possible when open-source meets long-term strategy and agile development.