Explore the concept of Developer Observability as the fourth pillar of observability in this conference talk from Conf42 Observability 2023. Delve into the limitations of traditional observability methods and learn how Developer Observability addresses challenges in modern software development. Discover how this approach works within IDEs, injecting logs, metrics, and snapshots while maintaining security and reducing PII exposure. Watch a demonstration of the concept in action and gain insights into its potential impact on software development practices. Understand the importance of ephemeral observability and how it can provide valuable insights for developers.