What's new and coming soon for .NET
summary
.NET 7 is out and .NET 8 previews arrive now; upgrade focus is on simple, low-risk moves like switching the SDK and using the Upgrade Assistant (GUI/VS extension that uses YARP to enable side‑by‑side migrations — one MVC5 site moved to ASP.NET Core in about three hours). New runtime wins: perf boosts across APIs, built‑in container publish and publish AOT for tiny binaries, minimal APIs with typed results and MapGroups, easy rate‑limiting/response‑caching, Blazor Hybrid improvements and a Blazor unification path (server + WebAssembly streaming).
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chapters (10)
- 0:00Introduction to .NET updates
- 3:10Upgrading apps to .NET 7
- 8:31Performance improvements in .NET 7
- 14:55Minimal APIs in .NET 7
- 21:16New ASP.NET features
- 26:16Blazer updates and hybrid apps
- 28:23What's new in .NET 8
- 33:22Blazer unification effort
- 49:52C# 11 and upcoming features
- 53:49Recommendations and conclusion
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