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Discover how to dramatically reduce build times in your Scala projects through effective build caching strategies in this 31-minute conference talk from Scala Days 2025. Learn actionable techniques for implementing build caching in sbt projects, starting with an exploration of how build caching has evolved within the Scala ecosystem. Gain practical insights into maximizing sbt's current caching capabilities through real-world examples and case studies, including detailed analysis of implementation in major projects like the Scala 3 repository and Pekko. Understand the common pitfalls and challenges when implementing build caching and how to overcome them effectively. Explore the roadmap for build caching improvements in both sbt 1 and sbt 2, and receive guidance on preparing your projects for upcoming changes. Master the fundamentals of cache invalidation, dependency tracking, and optimization strategies that can transform your development workflow and significantly improve productivity across your Scala development teams.
