https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Sat, 16 May 2026 00:00:00 GMT https://www.youngju.dev/blog/culture/2026-05-16-modern-dotnet-2026-net-9-csharp-13-fsharp-9-aspnet-core-blazor-maui-aspire-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-modern-dotnet-2026-net-9-csharp-13-fsharp-9-aspnet-core-blazor-maui-aspire-deep-dive.en .NET in 2026 is no longer a Windows-only enterprise runtime. .NET 9 stayed briefly as STS and .NET 10 took the LTS chair, C# 13 params collections and lock objects changed daily code, ASP.NET Core pulled cold start under 100ms with Native AOT, Blazor United mixed Server · WASM · SSR in a single project, MAUI 9 bundled iOS · Android · macOS · Windows behind one codebase, and Aspire 9 watched distributed apps from a single dashboard. On top of that ride EF Core 9 JSON columns, Orleans 9 virtual actors, Marten Postgres event store, and Unity 6 with C# 13 support. This article walks the entire .NET stack of 2026 — runtime, languages, web, UI, data, distributed, testing, tooling, games — in one sitting. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) dotnetcsharpfsharpaspnet-coreblazormauiaspireef-coreorleansunityenglish https://www.youngju.dev/blog/culture/2026-05-16-modern-dotnet-2026-net-9-csharp-13-fsharp-9-aspnet-core-blazor-maui-aspire-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-modern-dotnet-2026-net-9-csharp-13-fsharp-9-aspnet-core-blazor-maui-aspire-deep-dive.ja 2026年の .NET はもう「Windows 専用のエンタープライズランタイム」ではない。.NET 9 が STS として短期で抜け、.NET 10 が LTS として腰を据え、C# 13 の params コレクションと lock オブジェクトが日常のコードを変え、ASP.NET Core が Native AOT でコールドスタートを 100ms 以下に押し込み、Blazor United が Server・WASM・SSR を 1 プロジェクトで混ぜ、MAUI 9 が iOS・Android・macOS・Windows の 4 OS を単一コードベースで束ね、Aspire 9 が分散アプリを 1 つのダッシュボードで見る。その上に EF Core 9 の JSON 列、Orleans 9 の仮想アクター、Marten の Postgres イベントストア、Unity 6 の C# 13 対応が乗る。本稿はランタイム・言語・Web・UI・データ・分散・テスト・ツール・ゲームまで、2026年の .NET スタック全体を一気に整理する。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) dotnetcsharpfsharpaspnet-coreblazormauiaspireef-coreorleansunity日本語 https://www.youngju.dev/blog/culture/2026-05-16-modern-dotnet-2026-net-9-csharp-13-fsharp-9-aspnet-core-blazor-maui-aspire-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-modern-dotnet-2026-net-9-csharp-13-fsharp-9-aspnet-core-blazor-maui-aspire-deep-dive 2026년의 .NET은 더 이상 윈도우 전용 엔터프라이즈 런타임이 아니다. .NET 9가 STS로 잠깐 머물다가 .NET 10이 LTS로 자리잡고, C# 13의 params 컬렉션과 lock 객체가 일상 코드를 바꾸고, ASP.NET Core가 Native AOT로 콜드 스타트를 100ms 아래로 끌어내리고, Blazor United가 서버·WASM·SSR을 한 프로젝트에서 섞고, MAUI 9가 iOS·Android·macOS·Windows 네 OS를 단일 코드베이스로 묶고, Aspire 9가 분산 앱을 한 대시보드로 본다. 그 위에 EF Core 9의 JSON 컬럼, Orleans 9의 가상 액터, Marten의 Postgres 이벤트 스토어, Unity 6의 C# 13 지원이 얹힌다. 이 글은 런타임·언어·웹·UI·데이터·분산·테스트·도구·게임까지 — 2026년의 전체 .NET 스택을 한 번에 정리한다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) dotnetcsharpfsharpaspnet-coreblazormauiaspireef-coreorleansunity