Explore advanced techniques for diagnosing issues in .NET Core 3.1 applications with Damian Edwards and David Fowler from the .NET team in this comprehensive conference talk. Learn to analyze and resolve unexpected behaviors, performance slowdowns, and crashes in various deployment scenarios, including remote data centers, Linux environments, and containerized applications. Discover new APIs, command-line tools, and Visual Studio features designed to gather crucial information and pinpoint root causes. Gain insights into core primitives, logging, diagnostic tools, event handling, and frontend monitoring. Delve into topics such as ILog, Diagnostic Sauce, Event Sauce, Event Listeners, Event Pipe API, CLI tools, W3C Activity ID Format, OpenTelemetry, and Zipkin Request Collector. Witness practical demonstrations of application diagnostics techniques to enhance your troubleshooting skills and optimize .NET Core 3.1 applications.