Managing C# Compiler Versions and .NET SDK Compatibility

Managing the relationship between language features, SDKs, and target runtimes is essential for any modern developer, yet version mismatches often lead to confusing build errors. This course provides a clear pathway to understanding how the build system resolves language versions so you can confidently adopt new features without breaking compatibility. You will learn how to configure your projects to target specific environments while maintaining a clean, modern codebase. This text-based program begins with foundational concepts, defining how the compiler, SDK, and runtime interact before moving into practical configuration scenarios. What you will learn: Understand the relationship between C# language versions, the .NET SDK, and target frameworks; Configure project files to explicitly set language versions and target runtimes; Manage global SDK versions across different projects using global.json; Troubleshoot common compiler compatibility errors and dependency conflicts; Apply modern project configuration patterns using modern SDK-style project files. The course guides you through core terminology, step-by-step configuration files, and real-world troubleshooting scenarios. This course is designed for beginning to intermediate developers who want to master the build environment and eliminate versioning headaches. No prior experience with advanced compiler internals is required.