トピックス
プロポーザル | C# Kaigi 2026 #csharpkaigi - fortee.jp
https://fortee.jp/csharpkaigi-2026/speaker/proposal/cfp
C# Kaigi 2026 の CfP の募集を開始しました!
— C# Kaigi 2026 公式 (@csharpkaigi) June 14, 2026
皆さんのプロポーザル、お待ちしております...!
📅 締め切りは 2026/7/5 (日) #csharpkaigihttps://t.co/hUnffBsUPh
Release 3.0.0 · StackExchange/StackExchange.Redis
https://github.com/StackExchange/StackExchange.Redis/releases/tag/3.0.0
AI-Powered MSBuild Investigation with the Microsoft Binlog MCP Server - .NET Blog
https://devblogs.microsoft.com/dotnet/msbuild-binlog-mcp-server/
Windows App Development CLI v0.3.2 — bundling support, smarter initialization, and more - #ifdef Windows
Strengthening NuGet Security with Package ID Standards · Issue #75 · NuGet/Announcements
https://github.com/NuGet/Announcements/issues/75
Review pull requests without leaving Visual Studio - Visual Studio Blog
https://devblogs.microsoft.com/visualstudio/review-pull-requests-without-leaving-visual-studio/
リリース
- aws/aws-sdk-net
- Azure/azure-sdk-for-net
- Azure.ResourceManager.DataBox_1.1.2, Azure.ResourceManager.Dynatrace_1.2.1, Azure.ResourceManager.Elastic_1.1.1, Azure.ResourceManager.ElasticSan_1.2.1, Azure.ResourceManager.FrontDoor_1.4.2, Azure.ResourceManager.HealthBot_1.3.0, Azure.ResourceManager.IotFirmwareDefense_1.1.1, Azure.ResourceManager.IotOperations_1.1.0, Azure.ResourceManager.Kusto_1.6.3, Azure.ResourceManager.MachineLearning_1.2.4, Azure.ResourceManager.Monitor.PipelineGroups_1.0.0, Azure.ResourceManager.Monitor.Workspaces_1.0.0, Azure.ResourceManager.MySql_1.2.1, Azure.ResourceManager.NetApp_1.16.1, Azure.ResourceManager.StorageMover_1.4.1
- DataDog/dd-trace-dotnet
- dotnet/orleans
- googleapis/google-cloud-dotnet
- microsoft/aspire
- microsoft/CsWin32
- spectreconsole/spectre.console
- StackExchange/StackExchange.Redis
アーティクル、スライドなど
Your JetBrains IDE Expertise, Now on LinkedIn - The JetBrains Blog
https://blog.jetbrains.com/blog/2026/06/17/your-jetbrains-ide-expertise-now-on-linkedin/
Avalonia UI 12でもタイトルバーなしウィンドウ - Qiita
https://qiita.com/mifumi323/items/5aedc2c0abba3b7d302e
Blazorの実力をつけるために製造現場の設備点検システムを設計してみた話
https://zenn.dev/jodycraft/articles/65deec95c1b734
CountAsync() は本当に必要だったのか — 検索上限チェックの別解 - Qiita
https://qiita.com/vayaci/items/da84f952ad73a420fdd9
Make Visual Studio look the way you want - Visual Studio Blog
https://devblogs.microsoft.com/visualstudio/make-visual-studio-look-the-way-you-want/
dotMorten | Your first Microsoft.UI.Reactor app
https://xaml.dev/post/your-first-microsoft-ui-reactor-app
TUnit を netframework (net462 - net48)でビルドできないときに見る記事 - Qiita
https://qiita.com/juner/items/12800023c87eca4e5aba
Mac 持ってないけど macOS Universal Binary ファイルを生成するのに GitHub Actions を使う
https://zenn.dev/j_sakamoto/articles/bd847ab518ec3c
GA した GitHub Copilot SDK (.NET) を試してみた
https://zenn.dev/microsoft/articles/github-copilot-sdk-dotnet-ga
dotInsights | June 2026 | The .NET Tools Blog
https://blog.jetbrains.com/dotnet/2026/06/12/dotinsights-june-2026/
Pointers in C# and Memory Safety: Span vs. C# 16 unsafe - NDepend Blog
https://blog.ndepend.com/pointers-in-c-and-memory-safety-span-vs-c-16-unsafe/
How I Wrote a BGP Server and Didn't Lose My Mind
https://dev.to/vhex/how-i-wrote-a-bgp-server-and-didnt-lose-my-mind-16fc
ライブラリ、リポジトリ、ツールなど
Fail Fast - Visual Studio Marketplace
https://marketplace.visualstudio.com/items?itemName=MadsKristensen.FailFast
Stop your Visual Studio builds as soon as any of the projects fails to build. https://t.co/5x7LEy2Gb3
— Mads Kristensen (@mkristensen) June 10, 2026
ツイート
This is going to hurt some people, but after long consideration. I completely gutted all my gameplay code, and have officially moved to C# scripting on .NET 10. I’m very happy with it, the engine feels much more complete this way.https://t.co/9mnDW1xbNy#gamedev
— DrElliot (@MrDrElliot) June 16, 2026
公開しました!
— akeit0 (@Akeit0_) June 12, 2026
akeit0/csharp-markup-extension: C# Markup Extension PoC: C# with JSX-like Expression Syntax pic.twitter.com/JlIb2AkbtQ
Project templates are now available for Microsoft.UI.Reactor. Run 'dotnet new install Microsoft.UI.Reactor.ProjectTemplates' to install, then 'dotnet new reactorapp' to build your first project. #winui pic.twitter.com/bQSbkEY8GX
— .Morten 🪁🗺💻 (@dotMorten) June 11, 2026