Explore common pitfalls and challenges in event-driven architecture through this 49-minute conference talk from GeeCON 2023. Delve into the realities of implementing event-based systems as Andrzej Grzesik shares firsthand experiences and insights. Learn to identify potential problems, recognize their symptoms, and understand their consequences when building with events. Discover practical strategies to navigate issues such as evolving requirements, space constraints with old events, and naming conflicts. Gain valuable knowledge to avoid common mistakes and improve your event-driven designs, benefiting from the hard-earned lessons of others in the field.