{"id":433071,"date":"2024-01-11T06:06:34","date_gmt":"2024-01-11T05:06:34","guid":{"rendered":"https:\/\/blog.jetbrains.com\/dotnet\/2023\/11\/30\/the-developer-ecosystem-in-2023-key-trends-for-csharp\/"},"modified":"2025-09-17T12:27:21","modified_gmt":"2025-09-17T11:27:21","slug":"the-developer-ecosystem-in-2023-key-trends-for-csharp","status":"publish","type":"dotnet","link":"https:\/\/blog.jetbrains.com\/ja\/dotnet\/2024\/01\/11\/the-developer-ecosystem-in-2023-key-trends-for-csharp\/","title":{"rendered":"2023 \u5e74\u306e\u958b\u767a\u8005\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0: C# \u306e\u4e3b\u306a\u30c8\u30ec\u30f3\u30c9"},"content":{"rendered":"

\u6bce\u5e74\u5b9f\u65bd\u3057\u3066\u3044\u308b2023 \u5e74\u958b\u767a\u8005\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u30a2\u30f3\u30b1\u30fc\u30c8<\/strong><\/a>\u3067\u306f\u4e16\u754c\u4e2d\u306e 26,348 \u4eba\u306e\u958b\u767a\u8005\u304b\u3089\u30a4\u30f3\u30b5\u30a4\u30c8\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002 \u3053\u306e\u8981\u7d04\u8a18\u4e8b\u3067\u306f C# \u3068 .NET \u306b\u7126\u70b9\u304c\u5f53\u3066\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u4ed6\u306e\u8a00\u8a9e\u306e\u30c8\u30ec\u30f3\u30c9<\/a>\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002 \u7d50\u679c\u3068\u30b3\u30e1\u30f3\u30c8\u3092\u3054\u89a7\u306b\u306a\u308a\u3001\u3054\u610f\u898b\u3092\u304a\u805e\u304b\u305b\u304f\u3060\u3055\u3044\uff01<\/p>\n

\u4e3b\u306a\u767a\u898b<\/h2>\n

C# \u958b\u767a\u8005\u304c\u6700\u3082\u4f7f\u7528\u3057\u3066\u3044\u308b .NET \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f ASP.NET Core \u3067\u3042\u308a\u300156% \u304c\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002 \u3057\u304b\u3057\u3001Blazor \u306f Microsoft \u304c\u671f\u5f85\u3057\u3066\u3044\u305f\u307b\u3069\u306e\u666e\u53ca\u7387\u306b\u9054\u3057\u3066\u3044\u307e\u305b\u3093<\/strong>\u3002 Blazor Server \u306f ASP.NET \u958b\u767a\u5206\u91ce\u306e\u308f\u305a\u304b 16% \u306b\u904e\u304e\u305a\u3001Blazor WebAssembly \u306f 12% \u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u3053\u308c\u3089\u3088\u308a\u3082 Blazor \u306e\u5f8c\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f Minimal API \u6a5f\u80fd\u306e\u4f7f\u7528\u3059\u308b\u958b\u767a\u8005\u306e\u307b\u3046\u304c\u591a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\uff0820%\uff09\u3002 \u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u958b\u767a\u3068\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u306b\u95a2\u3057\u3066\u306f 64% \u306e ASP.NET \u958b\u767a\u8005\u304c MVC \u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u300140% \u304c Razor Pages \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

Aspire<\/a> \u306f\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u3070\u304b\u308a\u3067\u65b0\u3057\u3059\u304e\u308b\u305f\u3081\u3001\u3053\u306e\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u5bfe\u8c61\u304b\u3089\u306f\u5916\u3055\u308c\u307e\u3057\u305f\u304c\u30012024 \u5e74\u306f\u3069\u306e\u3088\u3046\u306a\u72b6\u6cc1\u306b\u306a\u308b\u304b\u306b\u6ce8\u76ee\u3057\u3066\u3044\u307e\u3059\u3002 Microsoft \u306f\u300c.NET 8 \u304c\u3042\u308c\u3070\u3001\u3069\u306e\u958b\u767a\u8005\u3082\uff08\u30af\u30e9\u30a6\u30c9\u306e\uff09\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u958b\u767a\u8005\u306b\u306a\u308c\u308b\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5143\u3067\u5168\u529b\u3067\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n

\"\"<\/figure>\n
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\"Poornima<\/div>\n
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Poornima Nayar<\/h4>\n

\u300cAPI \u306f\u3044\u305f\u308b\u3068\u3053\u308d\u306b\u666e\u53ca\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u306f 78% \u304c ASP.NET Core \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306b\u6295\u7968\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u306b\u3088\u3063\u3066\u88cf\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\uff01 \u3053\u308c\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9\u624b\u6cd5\u306b\u4f55\u3089\u304b\u306e\u5909\u5316\u304c\u8d77\u304d\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3082\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f \u300eVisual Studio \u3068 JetBrains Rider \u3067\u958b\u767a\u3055\u308c\u3066\u3044\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u7a2e\u985e\u300f\u3092\u898b\u308b\u9650\u308a\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u6700\u3082\u4e00\u822c\u7684\u306a\u3088\u3046\u3067\u3059\u3002 \u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u4ed6\u306b\u3069\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3084\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f \u307e\u305f\u3001Web API \u3092\u4f7f\u7528\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4ed6\u306b\u3069\u306e\u3088\u3046\u306a\u7a2e\u985e\u306e\u3082\u306e\u304c\u958b\u767a\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u300d<\/p>\n

Poornima \u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

C# \u958b\u767a\u8005\u306f\u4e3b\u306b Windows \u3092\u5b9f\u884c\u3057\u3066\u6700\u65b0\u306e\u72b6\u614b\u3092\u7dad\u6301\u3057\u3066\u3044\u307e\u3059\u3002<\/h2>\n

\u3053\u308c\u306f\u9a5a\u304f\u3088\u3046\u306a\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u300279% \u306e C# \u958b\u767a\u8005\u304c Windows \u3092\u4f7f\u7528<\/strong>\u3057\u3066\u304a\u308a\u300132% \u306e MacOS \u3068 19% \u306e Linux \u304c\u305d\u308c\u306b\u7d9a\u3044\u3066\u3044\u307e\u3059\u3002 \u65b0\u3057\u3044 C# \u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308b\u969b\u306b\u306f\u7740\u5b9f\u306b\u63a1\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u30d0\u30fc\u30b8\u30e7\u30f3 11 \u3068 10 \u306f\u9806\u306b 42% \u3068 32% \u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/strong> \u307e\u305f\u3001\u6bd4\u8f03\u7684\u5c11\u6570\u306a\u304c\u3089\u3082\u304b\u306a\u308a\u306e\u65e2\u5b58\u30a2\u30d7\u30ea\u304c\u5e38\u306b\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u7559\u307e\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u901a\u5e38\u306f\u76f8\u5fdc\u306e\u7406\u7531\u304c\u3042\u308a\u307e\u3059\u3002 2017 \u5e74\u4ee5\u964d\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b C# \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3064\u3044\u3066\u300c\u5206\u304b\u308a\u307e\u305b\u3093\u300d\u3068\u8ff0\u3079\u3066\u3044\u308b C# \u958b\u767a\u8005\u306e\u6570\u306f\u7740\u5b9f\u306b\u5897\u52a0\u3057\u3066\u3044\u307e\u3059<\/strong>\u3002<\/p>\n

\"\"<\/figure>\n
\n
\n
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\"Lou<\/div>\n
\n

Lou Creemers<\/h4>\n

\u300cC# \u958b\u767a\u8005\u304c\u4f7f\u7528\u3057\u3066\u3044\u308b C# \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u6700\u65b0\u306b\u4fdd\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u3001\u559c\u3070\u3057\u304f\u601d\u3063\u3066\u3044\u307e\u3059\u3002 C#10 \u4ee5\u964d\u304c 74% \u3068\u306a\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u975e\u516c\u958b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3060\u3051\u3067\u306a\u304f\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3082\u3053\u306e\u8a00\u8a9e\u3092\u6700\u5927\u9650\u306b\u6d3b\u7528\u3067\u304d\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u300d<\/p>\n

Lou \u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

C# \u958b\u767a\u8005\u306f\u30b2\u30fc\u30e0\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3092\u69cb\u7bc9<\/h2>\n

C# \u3067\u958b\u767a\u3057\u3066\u3044\u308b Rider \u30e6\u30fc\u30b6\u30fc\u3068 Visual Studio \u30e6\u30fc\u30b6\u30fc\u306b\u6ce8\u76ee\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u904e\u53bb\u4e00\u5e74\u3067\u00a0Rider \u3067\u4f5c\u696d\u3057\u3066\u3044\u308b\u30b2\u30fc\u30e0\u958b\u767a\u8005\u304c\u5927\u5e45\u306b\u5897\u52a0<\/strong>\u3057\u307e\u3057\u305f\u3002 Rider \u304c Unity\u3001Unreal Engine\u3001\u304a\u3088\u3073 Godot \u958b\u767a\u8005\u306e\u9593\u3067\u597d\u8a55\u306a\u306e\u306f\u9593\u9055\u3044\u3042\u308a\u307e\u305b\u3093\u304c\u3001 \u6b8b\u308a\u306e .NET \u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3042\u307e\u308a\u5927\u304d\u306a\u5909\u5316\u306f\u3042\u308a\u307e\u305b\u3093\u3002 .NET \u306f\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3057\u3063\u304b\u308a\u6839\u4ed8\u3044\u3066\u3044\u308b\u305f\u3081\u3001\u73fe\u5728\u3067\u3082\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073\u30e9\u30a4\u30d6\u30e9\u30ea\u304c .NET \u3092\u652f\u914d\u3057\u3066\u3044\u307e\u3059<\/strong>\u3002<\/p>\n

\"\"<\/figure>\n

IDE\u3001\u30a8\u30c7\u30a3\u30bf\u30fc\u3001\u30d7\u30e9\u30b0\u30a4\u30f3<\/h2>\n

Visual Studio \u306f\u6700\u3082\u4e00\u822c\u7684\u306a IDE \u306e\u307e\u307e\u3067\u3059\u304c\u3001Visual Studio \u30e6\u30fc\u30b6\u30fc\u306e 32% \u306f ReSharper \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 C# \u958b\u767a\u8005\u306e 32% \u306f Rider \u3092\u4f7f\u7528<\/strong>\u3057\u300114% \u306f VSCode \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 VSCode \u306e\u4f7f\u7528\u306b\u95a2\u3057\u3066\u306f\u3001\u305d\u306e\u307b\u3068\u3093\u3069\u304c C# \u30d7\u30e9\u30b0\u30a4\u30f3\u3068 .NET \u30c4\u30fc\u30eb\u306b\u7531\u6765\u3059\u308b\u3082\u306e\u3067\u3059\u3002 VSCode \u30e6\u30fc\u30b6\u30fc\u306e\u9593\u3067\u306f CoPilot \u3082\u4eba\u6c17\u304c\u3042\u308a\u300125% \u304c\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u7b54\u3048\u307e\u3057\u305f\u3002<\/p>\n

\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f 2023 \u5e74\u5f8c\u534a\u306b\u767a\u8868\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308b\u305f\u3081\u3001\u305d\u306e\u7d50\u679c\u306f\u3053\u306e\u30a2\u30f3\u30b1\u30fc\u30c8\u306b\u306f\u5341\u5206\u306b\u53cd\u6620\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002 Microsoft \u304c Visual Studio for Mac \u3092\u5ec3\u6b62\u3059\u308b\u3068\u3044\u3046\u6c7a\u5b9a\u3092\u4e0b\u3057\u305f\u305f\u3081\u3001\u307b\u3068\u3093\u3069\u306e Visual Studio for Mac \u30e6\u30fc\u30b6\u30fc\u304c Rider \u306b\u79fb\u884c\u3057\u305f\u3053\u3068\u304c\u3046\u304b\u304c\u3048\u307e\u3059\u3002<\/p>\n

1% \u306e\u56de\u7b54\u8005\u304c\u4eba\u6c17\u306e\u3042\u308b IDE \u3092\u3069\u308c\u3082\u4f7f\u7528\u3057\u3066\u304a\u3089\u305a\u3001 \u300c\u305d\u306e\u4ed6\u300d\u3068\u56de\u7b54\u3057\u3066\u3044\u307e\u3059\u3002 \u9811\u306a\u306b\u30e1\u30e2\u5e33\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f \u3084\u306f\u308a\u305d\u3093\u306a\u4eba\u305f\u3061\u306f\u5b58\u5728\u3059\u308b\u3093\u3067\u3059\u306d\uff01<\/p>\n

\"\"<\/figure>\n
\n
\n
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\"Lou<\/div>\n
\n

Lou Creemers<\/h4>\n

\u3059\u3067\u306b 25% \u304c GitHub Copilot \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 \u4f1a\u793e\u304b\u3089\u5236\u9650\u3092\u8ab2\u3055\u308c\u3066\u3044\u306a\u3044\u958b\u767a\u8005\u306e\u6570\u304c\u591a\u3051\u308c\u3070\u3001\u3053\u306e\u5272\u5408\u306f\u3082\u3063\u3068\u9ad8\u304f\u306a\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u63a8\u6e2c\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u7d50\u679c\u306f\u3001\u3059\u3067\u306b\u3069\u306e\u7a0b\u5ea6\u307e\u3067 AI \u304c\u65e5\u5e38\u696d\u52d9\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u304b\u3092\u793a\u3057\u3066\u3044\u308b\u306b\u904e\u304e\u307e\u305b\u3093\u3002\u300d<\/p>\n

Lou \u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\u30e6\u30cb\u30c3\u30c8\u306e\u30c6\u30b9\u30c8<\/h2>\n

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\"\"<\/figure>\n
\n
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\"Stefan<\/div>\n
\n

Stefan P\u00f6lz<\/h4>\n

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Stefan \u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u3068\u8a3a\u65ad<\/h2>\n

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\"\"<\/figure>\n

\u307e\u3068\u3081<\/h2>\n

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\n \"\"\n <\/div>\n
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