Explore Project Leyden, an initiative aimed at improving Java's startup time, warmup time, and footprint, in this comprehensive conference talk presented by Mark Reinhold and John Rose at the JVM Language Summit 2023. Dive into the concept of selectively shifting and constraining computation, learn about condensers, and understand how computed constants can manage static state in Leyden. Gain insights into the project's goals, challenges, and potential impact on Java's performance. Access additional resources, including the project's official page, technical notes, and mailing list, to deepen your understanding of this groundbreaking effort to enhance Java's capabilities.