mayuki · mayuki · Aug 10, 2026 · Aug 10, 2026
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+---
+Title: "2026-08-10: C# Kaigi 2026, NuGet Reducing API Key Lifetime, Rx.NET v7.0, Uno Platform 6.6"
+Published: 2026/08/10 00:00
+DestinationPath: 2026/08/10/updates.html
+---
+<!--
+# yyyy-MM-dd
+## 主なトピックス
+## ヘッドライン
+## アーティクル、スライドなど
+## ライブラリ、リポジトリ、ツールなど
+## サイト、ドキュメントなど
+### ツイート
+## Deep Dive
+-->
+
+## トピックス
+
+### タイムテーブル | C# Kaigi 2026
+https://csharpkaigi.net/timetable
+
+### Strengthening NuGet Supply Chain Security: Reducing API Key Lifetime - .NET Blog
+https://devblogs.microsoft.com/dotnet/strengthening-nuget-supply-chain-security-reducing-api-key-lifetime/
+
+### Rx.NET v7.0 Now Available
+https://endjin.com/blog/rx-dotnet-v7-0-released
+
+### Uno Platform 6.6: Native AOT, Vulkan Rendering, MCP Auto Registration and More
+https://platform.uno/blog/uno-platform-6-6/
+
+### The Path to CoreCLR #1: The Problem - Unity Engine - Unity Discussions
+https://discussions.unity.com/t/the-path-to-coreclr-1-the-problem/1733018
+
+## リリース
+- [Azure/azure-cosmos-dotnet-v3](https://github.com/Azure/azure-cosmos-dotnet-v3)
+    - [3.62.0](https://github.com/Azure/azure-cosmos-dotnet-v3/releases/tag/3.62.0)
+- [unoplatform/uno](https://github.com/unoplatform/uno)
+    - [6.6.184](https://github.com/unoplatform/uno/releases/tag/6.6.184)
+
+## アーティクル、スライドなど
+### .NETランタイムのローカルビルド方法（備忘録）
+https://zenn.dev/prozolic/articles/40596be65d333f
+
+### C#のSystemCommandLineの静的補完機能について - Qiita
+https://qiita.com/KM_20005/items/57abdc2173659ba24a80
+
+### From generated code to trusted code with a unit-test agent - .NET Blog
+https://devblogs.microsoft.com/dotnet/polyglot-unit-testing-agent/
+
+### WPFのスライダーを目盛り単位で動かすには4つのプロパティが必要
+https://zenn.dev/suusanex/articles/d40492e3c23059
+
+### OpenTelemetryを「本来の使い方じゃない」目的で使ってみたら十分便利だった話
+https://zenn.dev/sitio1/articles/1b78532dfbaac1
+
+### RoslynでもできないメタプログラミングをMetalamaで! - OTel Tracingを例にして
+https://zenn.dev/kamome283/articles/introduce-metalama
+
+### ネットワーク特化の爆速シリアライザー
+https://zenn.dev/sator_imaging/articles/09d7584ed4ec08
+
+### ボタンは「離したとき」ではなく「押したとき」に反応させる
+https://zenn.dev/yoi/articles/c4aa9cdd36bcbe
+
+### SnippingToolに機能を足して自作してみた【低レベルキーボドフック】
+https://zenn.dev/da39nbv3/articles/d1f77b496bf866
+
+- [SnippingToolに機能を足して自作してみた【マルチモニタ・DPI混在環境でオーバーレイの座標を合わせる】](https://zenn.dev/da39nbv3/articles/3d872d56db49be)
+- [SnippingToolに機能を足して自作してみた【PrintWindowを使わないウィンドウキャプチャの実装】](https://zenn.dev/da39nbv3/articles/f646b750396870)
+- [SnippingToolに機能を足して自作してみた【カーソル下の「本物のアプリウィンドウ」だけを拾う判定ロジック】](https://zenn.dev/da39nbv3/articles/43a224604620a5)
+
+### C# 15+の新DIパターン: 内部はinterfaceで疎結合、公開APIはunionで型の許容範囲を制御
+https://zenn.dev/inuinu/articles/csharp15-new-di-interface-union-closed
+
+### 【F#で数理最適化】Flipsに入門してみた - Qiita
+https://qiita.com/tasuku_nekozawa/items/e774aacb10b9024add4f
+
+### Build Azure Skills Faster with Cloud Academy, a Visual Studio Subscriber Benefit - Visual Studio Blog
+https://devblogs.microsoft.com/visualstudio/build-azure-skills-faster-with-cloud-academy-a-visual-studio-subscriber-benefit/
+
+### Automatic CSRF protection based on Fetch Metadata headers: Exploring the .NET 11 preview - Part 6
+https://andrewlock.net/exploring-the-dotnet-11-preview-6-automatic-csrf-protection-based-on-fetch-metadata-http-headers/
+
+### Supabase .NET DevLog #4
+https://dev.to/tr00d/supabase-net-devlog-4-534a
+
+### 「AIに向くのは学習データが多い言語」TypeScript・C#を作った Anders Hejlsberg がAIを語った回を要点解説
+https://zenn.dev/talks_tldr_jp/articles/tldr22-hejlsberg-summary
+
+### AIとUI Automationで画面操作のE2Eテストを組んだら、「実装の壁」は結局人間側にあった話
+https://zenn.dev/sitio1/articles/d07e7030f54b6e
+
+### Agent Framework Harness と Agent Governance Toolkit でファイル操作エージェント制御
+https://zenn.dev/microsoft/articles/agent-governance-toolkit-policy-02
+
+### Performance Pitfalls in C# / .NET - Protobuf - repeated uint32 vs repeated fixed32
+https://blog.eterm.uk/2026/07/30/Performance-pitfalls-protobuf
+
+### Test reporting in Microsoft.Testing.Platform: from red build to root cause - .NET Blog
+https://devblogs.microsoft.com/dotnet/microsoft-testing-platform-reporting/
+
+### The Ultimate .NET Workflow for Cursor, Antigravity, and AI-First Editors - The JetBrains Blog
+https://blog.jetbrains.com/dotnet/2026/08/05/the-ultimate-dotnet-workflow-for-cursor/
+
+### gpt-5.6-sol の high に「ウルトラ」と入力して「ソウル」と話させる技術
+https://zenn.dev/microsoft/articles/agent-framework-ultra-soul
+
+- [ウルトラ gpt-5.5-sol high の供養記事](https://zenn.dev/microsoft/articles/agent-framework-ultra-soul-memorial)
+
+### Beyond Chat: live Speech-to-Text with Foundry Local and C# - .NET Blog
+https://devblogs.microsoft.com/dotnet/foundry-local-live-speech-to-text-csharp/
+
+### dotInsights | August 2026 - The JetBrains Blog
+https://blog.jetbrains.com/dotnet/2026/08/04/dotinsights-august-2026/
+
+### The Complete Package: Why Debugging Is Only Half the C# Productivity Story - The JetBrains Blog
+https://blog.jetbrains.com/dotnet/2026/07/30/the-complete-package-why-debugging-is-only-half-the-csharp-productivity-story/
+
+### 今さら聞けない .NET CLI
+https://zenn.dev/poipoionigiri/articles/992b3ecf963154
+
+### C#で new を差し替える実験的モックツールを作っている話 - Qiita
+https://qiita.com/kaneko_desu/items/a75831913a96757444fa
+
+### Tell your model when to think harder - Visual Studio Blog
+https://devblogs.microsoft.com/visualstudio/tell-your-model-when-to-think-harder/
+
+### Understanding the Fetch Metadata HTTP headers: Sec-Fetch-Site and friends
+https://andrewlock.net/understanding-the-fetch-metadata-http-headers-sec-fetch-site-and-friends/
+
+### Announcing a New Visual Manifest Editor in the WinApp VS Code Extension - #ifdef Windows
+https://devblogs.microsoft.com/ifdef-windows/announcing-a-new-visual-manifest-editor-in-the-winapp-vs-code-extension/
+
+### Excel編集ライブラリを比較してみた【OpenXML / ClosedXML / EPPlus / NPOI / MiniExcel / NetOffice】 - Qiita
+https://qiita.com/masayasu_t/items/807dc40e4a37aa9124d1
+
+### Microsoft Agent Framework オーケストレーション検証: Magentic
+https://zenn.dev/yy7613/articles/a093a93a497178
+
+### Debugging for .NET in VS Code and Cursor: The #1 Requested Feature Is Here - The JetBrains Blog
+https://blog.jetbrains.com/dotnet/2026/07/13/rs-vsc-debugging-2/
+
+### C# 13→14→15で何が変わった？.NET 10移行前に調べた新機能まとめ
+https://zenn.dev/jodycraft/articles/fb5b17e9ee274c
+
+### PolyTypeとserde、シリアライザの話 | nuskey.md
+https://www.nuskey.md/articles/polytype-and-serde
+
+### ZeroGC: an allocate-only garbage collector for .NET | Konrad 'Dev Nerd' Kokosa
+https://kokosa.dev/blog/2026/zero-gc/
+
+## ライブラリ、リポジトリ、ツールなど
+### davidwhitney/JsxCore: Native support for JSX and TSX as a server and client rendered view engine for ASP.NET Core. Bringing the modern web to ASP.NET.
+https://github.com/davidwhitney/JsxCore
+
+### ツイート
+<!-- https://x.com/egorbo/status/2085095187555217628?s=12&t=ggvrrZ7oLogHyNoIGNgjbw -->
+<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Wrote a small article &quot;Memory Safety in .NET vNext (quick recap and future plans)&quot; to answer frequent Q&amp;A. <a href="https://t.co/Ji6E0HXH9R">https://t.co/Ji6E0HXH9R</a></p>&mdash; EgorBo (@EgorBo) <a href="https://x.com/EgorBo/status/2085095187555217628?ref_src=twsrc%5Etfw">August 5, 2026</a></blockquote>
+<script async src="https://platform.x.com/widgets.js" charset="utf-8"></script>
+
+
+<!-- https://x.com/mzikmunddev/status/2082798010631680226?s=12 -->
+<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Element-level theming is now also included in <a href="https://x.com/UnoPlatform?ref_src=twsrc%5Etfw">@UnoPlatform</a> 6.6 🎉 <a href="https://t.co/YaQr3gDRFQ">https://t.co/YaQr3gDRFQ</a></p>&mdash; Martin Zikmund (@mzikmunddev) <a href="https://x.com/mzikmunddev/status/2082798010631680226?ref_src=twsrc%5Etfw">July 30, 2026</a></blockquote>
+<script async src="https://platform.x.com/widgets.js" charset="utf-8"></script>
+
+