2025-05-19: .NET 8.0.16 & .NET 9.0.5, Visual Studio 2022 v17.14, .NET 10 Preview 4

トピックス

.NET and .NET Framework May 2025 servicing releases updates - .NET Blog

https://devblogs.microsoft.com/dotnet/dotnet-and-dotnet-framework-may-2025-servicing-updates/

• Microsoft Security Advisory CVE-2025-26646: .NET Spoofing Vulnerability · Issue #11846 · dotnet/msbuild

🎉 Visual Studio 2022 v17.14 is now generally available! - Visual Studio Blog

https://devblogs.microsoft.com/visualstudio/visual-studio-2022-v17-14-is-now-generally-available/

.NET 10 Preview 4 is now available! - .NET Blog

https://devblogs.microsoft.com/dotnet/dotnet-10-preview-4/

How to Watch Microsoft Build 2025 Online - Visual Studio Blog

https://devblogs.microsoft.com/visualstudio/how-to-watch-microsoft-build-2025-online/

AWS Transform for .NET, the first agentic AI service for modernizing .NET applications at scale | Amazon Web Services

https://aws.amazon.com/jp/blogs/aws/aws-transform-for-net-the-first-agentic-ai-service-for-modernizing-net-applications-at-scale/

Agent mode has arrived in preview for Visual Studio - Visual Studio Blog

https://devblogs.microsoft.com/visualstudio/agent-mode-has-arrived-in-preview-for-visual-studio/

Celebrating 50 Million Developers: The Journey of Visual Studio and Visual Studio Code

https://devblogs.microsoft.com/blog/celebrating-50-million-developers-the-journey-of-visual-studio-and-visual-studio-code

Visual Studio Live!: Training Conferences and Events for Enterprise Microsoft .NET and Azure Developers

https://vslive.com/events/microsofthq-2025/home.aspx

Semantic Kernel: Package previews, Graduations & Deprecations | Semantic Kernel

https://devblogs.microsoft.com/semantic-kernel/semantic-kernel-package-previews-graduations-deprecations/

リリース

• aws/aws-sdk-net
  • 3.7.1041.0, 3.7.1042.0, 3.7.1044.0, 3.7.1045.0, 3.7.1046.0, 4.0.10.0, 4.0.12.0, 4.0.13.0, 4.0.14.0, 4.0.9.0
• Azure/azure-cosmos-dotnet-v3
  • 3.50.0
• Azure/azure-sdk-for-net
  • Azure.AI.Agents.Persistent_1.0.0, Azure.Core_1.46.1, Azure.Data.AppConfiguration_1.6.1, Azure.Monitor.OpenTelemetry.AspNetCore_1.3.0, Azure.Monitor.OpenTelemetry.Exporter_1.4.0, System.ClientModel_1.4.1
• dotnet/dotnet-monitor
  • v8.1.1
• googleapis/google-cloud-dotnet
  • Google.Cloud.AlloyDb.V1-1.10.0, Google.Cloud.BigQuery.AnalyticsHub.V1-1.9.0, Google.Cloud.Deploy.V1-3.6.0, Google.Cloud.GkeBackup.V1-2.8.0, Google.Cloud.Kms.V1-3.17.0, Google.Cloud.Kms.V1-3.18.0, Google.Cloud.NetApp.V1-1.10.0, Google.Cloud.Run.V2-2.14.0, Google.Cloud.Storage.Control.V2-1.4.0, Google.Cloud.StorageInsights.V1-1.4.0, Google.Cloud.Support.V2-1.4.0, Google.Cloud.Video.LiveStream.V1-1.9.0
• microsoft/WindowsAppSDK
  • v1.6.8

アーティクル、スライドなど

【C#】これ知ってる？9選【初心者～中級者むけTIPS】

https://zenn.dev/inuinu/articles/d8b3b435373ab3

RiderでハイライトやCode Visionなどの設定を「Pencilsウィジェット」で素早く切り替える

https://qiita.com/RyotaMurohoshi/items/c0e60f1f884b36e55ea9

C#プログラミング - .NETオブジェクト指向×SOLID実践ガイド

https://zenn.dev/au/books/eebe03c9e4043e

.NET 9のユニットテストプロジェクトでDbContextを差し替える

https://qiita.com/omt_teruki/items/332fe9a36bc530cc7d66

Entity Framework Coreのマイグレーションを安全に運用するための設計と工夫

https://zenn.dev/au/articles/5996b7dd6e8d89

Rider 2025.2 Early Access Program Is Live! | The .NET Tools Blog

https://blog.jetbrains.com/dotnet/2025/05/16/rider-2025-2-eap-1/

The Early Access Program for ReSharper and .NET Tools 2025.2 Has Begun! | The .NET Tools Blog

https://blog.jetbrains.com/dotnet/2025/05/16/resharper-2025-2-eap-1/

How Workleap uses .NET Aspire to transform local development

https://medium.com/workleap/how-workleap-uses-net-aspire-to-transform-local-development-f73cb48f6673

Evaluating content safety in your .NET AI applications - .NET Blog

https://devblogs.microsoft.com/dotnet/evaluating-ai-content-safety/

Entity Frameworkが勝手に重くなる理由と対策

https://zenn.dev/au/articles/84c411fb6884f6

Using the new AI template to create a chatbot about a website

https://andrewlock.net/using-the-new-ai-template-to-create-a-chatbot-about-a-website/

Windows App SDK(Unpackaged)をランタイム同梱（自己完結型）で配布する方法と、そのファイルサイズ例

https://qiita.com/spc_ksudoh/items/64d188467a8996380567

【C#,検証】高速な回文判定処理を求めて。

https://qiita.com/cushionA/items/56f662de03d0e9dd6d40

High-performance string formatting in .NET

https://mijailovic.net/2025/05/14/high-performance-strings/

Strawberry Shake でフラグメントを活用する

https://zenn.dev/masakura/articles/75130f17017035

CursorでC#のデバッグをする方法

https://zenn.dev/luxun1910/articles/3aa37a7da1d572

【Semantic Kernel】SlackのData Access APIで社内AIアシスタントにプライベートチャンネルの情報を参照させてみる

https://qiita.com/omt_teruki/items/815efe06fdf6b62179b4

C#：バイナリ操作でよく使うAPIたち

https://zenn.dev/ruccho/articles/12245271629ec6

ゆるやかに OWIN を ASP.NET Core に移行する

https://zenn.dev/masakura/articles/c03eba23027f75

Sep 0.10.0 - 21 GB/s CSV Parsing Using SIMD on AMD 9950X 🚀

https://nietras.com/2025/05/09/sep-0-10-0/

A sub-millisecond GC for .NET?!

https://blog.applied-algorithms.tech/a-sub-millisecond-gc-for-net

• VSadov/Satori: Experimenting with dotnet runtime.

正式リリースされた Semantic Kernel の Agent Framework 全部紹介！

https://speakerdeck.com/okazuki/zheng-shi-ririsusareta-semantic-kernel-no-agent-framework-quan-bu-shao-jie

ツイート

We have a team working on an effort called “Aspire for 1P” inside of Microsoft. The goal is simple, build the default toolchain for developing and deploying compliant services inside Microsoft.

Lots of teams are adopting Aspire for development and next is deployment. This isn’t…

— David Fowler (@davidfowl) May 10, 2025