Explore modern C# development techniques in Visual Studio 2019 through this comprehensive talk by a Microsoft engineer with over 15 years of experience working on Visual Studio. Dive into performance improvements in startup and solution load, enhanced editing capabilities, code style features, quick fixes, and refactorings. Learn about advancements in unit testing, debugging, and deployment processes. Discover new features such as the Solution Explorer, Go to Everything functionality, updated color schemes, and Intellisense improvements. Gain insights into finding files and references, optimizing code with conditional operators and unnecessary assignment removal, and leveraging interface changes and endpoint routing. Explore package references, machine learning integration, custom models, and the Editor Config. Master warnings management, code cleanup routines, and the enhanced test explorer for more efficient development workflows.