<ul><li>Jai and Veeru encountered a strange issue where user data was disappearing from their app logs, suspecting a ghost in the repository.</li><li>The problem was identified as lost data in multi-threaded requests due to issues with ThreadLocal in virtual threads.</li><li>The solution presented was to use Java 21's Scoped Values as a modern replacement for ThreadLocal, ensuring data consistency and concurrency safety.</li><li>As Jai and Veeru celebrated fixing the data loss, they discovered a mysterious unauthorized commit in the repository, raising concerns about a potential supply chain attack and the need for security checks on dependencies.</li></ul>

CH-05: The Lost Code — Jai & Veeru vs. The Ghost in the Repository

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