Episode 23: Inside SAP's Clean Core Revolution - Lukas Bretschneider

Guest:  Lukas Bretschneider - Architecture Lead Clean Core Extensibility, SAP SEHosts: Alexander Greb - Consulting Director - cbs corporate business solutionsJohannes Langguth - Head of Business Transformation and Architecture - SAP SEClean Core — it’s more than a technical concept. It’s a new mindset that challenges how we think about SAP development, extensibility, and long-term innovation.In this episode, we sat down with Lukas Bretschneider, SAP’s Lead Architect for Clean Core Extensibility, to unpack what Clean Core really means — and why it’s the foundation for a sustainable, future-ready SAP landscape.Together, they explore:Why Clean Core is an attitude, not just a rulebookHow ABAP Cloud and released APIs redefine extensibilityThe importance of measuring and managing technical debtThe different levels of Clean Core — from A to DHow AI supports development without replacing human insightThe role of governance, change management, and continuous upskillingWhether you’re a developer, architect, or transformation leader, this conversation offers clear, practical insight into how to build cleaner, faster, and more adaptable SAP systems.Takeaways:Clean Core is an attitude, not just a technical requirement.Developers must familiarize themselves with new programming models like ABAP Cloud.Measuring technical debt is crucial for maintaining a clean core.Using released APIs is essential for upgrade stability.There are different levels of clean core, from A to D.AI can assist in understanding and managing code, but should not replace human oversight.Governance and guidelines are necessary for sustainable development.Developers should aim for the highest level of clean core in their work.Change management is key when transitioning to clean core practices.Continuous education and upskilling are vital for developers.Follow Lukas: https://www.linkedin.com/in/lukas-bretschneider/Follow Alexander: https://www.linkedin.com/in/alexandergreb/Follow Johannes: https://www.linkedin.com/in/johanneslangguth/Thanks to Steven Spears for lending his voice for our podcast intro.Theme music by Luis Álvarez a.k.a. Fourth Dogma