トピックス
Introducing C# 14 - .NET Blog
https://devblogs.microsoft.com/dotnet/introducing-csharp-14/
Introducing F# 10 - .NET Blog
https://devblogs.microsoft.com/dotnet/introducing-fsharp-10/
Post-Quantum Cryptography in .NET - .NET Blog
https://devblogs.microsoft.com/dotnet/post-quantum-cryptography-in-dotnet/
Uno Platform 6.4: Agentic Development, .NET 10 and VS 2026 are here!
https://platform.uno/blog/uno-platform-6-4/
More Updates and Fixes for ReSharper and Rider 2025.3 | The .NET Tools Blog
https://blog.jetbrains.com/dotnet/2025/11/20/resharper-rider-2025-3-0-2/
Reinventing how .NET Builds and Ships (Again) - .NET Blog
https://devblogs.microsoft.com/dotnet/reinventing-how-dotnet-builds-and-ships-again/
OpenAPI.NET: The Biggest Update Ever - OpenAPI at Microsoft
https://devblogs.microsoft.com/openapi/openapi-net-release-announcements/
Heroku Support for .NET 10 LTS: What Developers Need to Know
https://www.heroku.com/blog/support-for-dotnet-10-lts-what-developers-need-know/
リリース
- AvaloniaUI/Avalonia
- aws/aws-sdk-net
- Azure/azure-sdk-for-net
- Azure.Identity_1.17.1, Azure.Identity.Broker_1.3.1, Azure.Monitor.OpenTelemetry.AspNetCore_1.4.0, Azure.Monitor.OpenTelemetry.Exporter_1.5.0, Azure.ResourceManager.Cdn_1.5.1, Azure.ResourceManager.CognitiveServices_1.5.2, Azure.ResourceManager.Elastic_1.1.0, Azure.ResourceManager.Maintenance_1.1.3, Azure.ResourceManager.PaloAltoNetworks.Ngfw_1.2.0, Microsoft.Azure.WebJobs.Extensions.WebPubSubForSocketIO_1.0.0, Microsoft.Extensions.Azure_1.13.1
- DataDog/dd-trace-dotnet
- dotnet/SqlClient
- googleapis/google-cloud-dotnet
- Google.Cloud.Datastore.V1-4.17.0, Google.Cloud.Firestore-3.13.0, Google.Cloud.Spanner-5.7.0, Google.Shopping.Merchant.Accounts.V1-1.3.0, Google.Shopping.Merchant.Inventories.V1-1.2.0, Google.Shopping.Merchant.IssueResolution.V1-1.2.0, Google.Shopping.Merchant.Products.V1-1.3.0, Google.Shopping.Merchant.Quota.V1-1.2.0
- microsoft/CsWin32
- newrelic/newrelic-dotnet-agent
- open-telemetry/opentelemetry-dotnet-contrib
- unoplatform/uno
アーティクル、スライドなど
UserlandDotNet: Putting Linux Superpowers Back in the Hands of .NET Developers
Microsoft Agent Framework (C#) を見てみよう その14 Durable Agent を試してみよう
https://zenn.dev/microsoft/articles/agent-framework-014
MSAL JWT Bearer認証認可を使用したClient-WebAPI(.NET)構築でゼロトラスト環境へ対応
https://zenn.dev/srtia2318/articles/organize-info19-msal-jwt-ffce915e08236c
State of Native AOT in .NET 10
https://code.soundaranbu.com/state-of-nativeaot-net10
Visual Studio のインストールが未完了と表示される問題の解決方法 - Qiita
https://qiita.com/KM_20005/items/8188d4ec0ac8e42cc6f5
Companies complaining .NET moves too fast should just pay for post-EOL support
https://andrewlock.net/companies-using-dotnet-need-to-suck-it-up-and-pay-for-support/
【C#14】fieldキーワードの使い方
https://zenn.dev/peacockanderson/articles/d3044f27db048a
.NET 8 - 10 移行メモ（Blazor Web App/Server）
https://zenn.dev/tetr4lab/articles/be55dfecb55896
API仕様書 (OpenAPI) の管理に.NET 10 (ASP.NET Core)を用いる
https://zenn.dev/gkuroki/articles/use-dotnet10-instead-of-typespec
HTML形式のクリップボードをPowerShellで取得するときの文字化けの原因を探る - Qiita
https://qiita.com/TETSURO1999/items/88f895a10088f4bacc0e
【WinUI3】WinUI3を使うのに必須ないろいろ - Qiita
https://qiita.com/inco-cyber/items/eeb11fb74bf8ccada9a4
.NET 10でLINQに追加されたメソッド - Qiita
https://qiita.com/RyotaMurohoshi/items/3d82317473b3c4652018
ASP.NETで実装したWeb APIのテスト実装 - Qiita
https://qiita.com/soratarou3/items/047b1e8651778abf7a3e
【LTS】.NET 10 × Visual Studio 2026 で始める Azure Functions 開発 - C# 14 の新機能も紹介 - Qiita
https://qiita.com/s_w_high/items/e988886aa3854ffd492f
Spend Less Time Upgrading, More Time Coding in Visual Studio 2026 - Visual Studio Blog
Poser-テスト時にC#でstaticメソッドなどを置き換える
https://zenn.dev/mima_ita/articles/463bb8e5c8b9f1
Supercharge Your Test Coverage with GitHub Copilot Testing for .NET - .NET Blog
https://devblogs.microsoft.com/dotnet/github-copilot-testing-for-dotnet/
What's New in .NET 10 and C# 14
https://dev.to/iron-software/whats-new-in-net-10-and-c-14-109n
JetBrains Is Heading to VSLive! Orlando | The .NET Tools Blog
https://blog.jetbrains.com/dotnet/2025/11/15/jetbrains-is-heading-to-vslive-orlando/
「モダンC#」に入門しよう！2025【.NET10/C#14】
https://zenn.dev/inuinu/articles/modern-c-sharp-2025-in-csharp14-and-dotnet10
Azure MCP Server Now Built-In with Visual Studio 2026: A New Era for Agentic Workflows - Visual Studio Blog
Database Features in Rider | The .NET Tools Blog
https://blog.jetbrains.com/dotnet/2025/11/17/database-features-in-rider/
(続) C#でCPUモデルを取得する - tech.guitarrapc.cóm
https://tech.guitarrapc.com/entry/2025/11/18/013000
2 種類の FileOpenPicker
https://zenn.dev/shinta0806/articles/file-open-picker
【C#】AspireCLIの導入と基本的な使い方 - Qiita
https://qiita.com/KM_20005/items/808d46799ff785b73786
file-based apps を Visual Studio Code でデバッグする
https://zenn.dev/toras9000/articles/12d5f5bc624980
A first look at the all‑new UX in Visual Studio 2026 - Visual Studio Blog
Visual Studio 2026 のコード補完の適用キーを変えたい
.NET 10のBlazorの期待の新機能
https://zenn.dev/poipoionigiri/articles/652c52626eb54f