The conference series Models is the leading international conference in the field of modeling software systems. In the context of this conference the workshop MULTI has been taking place for several years. It is the central platform of an international community of scientists who are researching a new paradigm of conceptual modeling and software development. The “Models 2022” takes place in Montreal, Canada.

The presentations during the 9th “MULTI” workshop are:

• Peculiarities of Language Engineering in Multi-Level Environments or: Design by Elimination (Ulrich Frank and Tony Clark)
• Towards Flexible Creation of Multi-Level Models: Bottom-Up Change Support in the Modeling and Programming Environment XModeler (Daniel Töpel and Monika Kaczmarek-Heß)