Toni Wenzel (@twenzel) header
Toni Wenzel (@twenzel) profile picture

Toni Wenzel

@twenzel

C# enthusiast and backend engineer with a passion for architecture and security.

 South Germany
github.com/twenzel
Joined March 2008
  • Tweets3.5K
  • Following296
  • Followers113
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Photo by Toni Wenzel (@twenzel)Photo by Toni Wenzel (@twenzel)Photo by Toni Wenzel (@twenzel)Photo by Toni Wenzel (@twenzel)Photo by Toni Wenzel (@twenzel)Photo by Toni Wenzel (@twenzel)Photo by Toni Wenzel (@twenzel)Photo by Toni Wenzel (@twenzel)
Toni Wenzel retweeted
ErikEJ (@ErikEJ) profile picture
ErikEJ
@ErikEJOct 25
dotNET blog: .NET October 2026 Out-of-Band Security Updates ift.tt/I2OXiT1
.NET October 2026 Out-of-Band Security Updates - .NET Blog

.NET October 2026 Out-of-Band Security Updates - .NET Blog

Out-of-band security updates for .NET address the Brotli decoder vulnerability and tarball ownership vulnerability.

devblogs.microsoft.com
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Introducing Oh My Posh Visual Configurator: Finally, a Drag-and-Drop Terminal Theme Builder! ✨ montemagno.com/introducing-o… Approved & endorsed by @jandedobbeleer!
Image from James Montemagno (@JamesMontemagno)
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Toni Wenzel retweeted
David Fowler (@davidfowl) profile picture
David Fowler
@davidfowl1 Oct 2025
devblogs.microsoft.com/dotne…
Introducing Microsoft Agent Framework (Preview): Making AI Agents Simple for Every Developer - .NET...

Introducing Microsoft Agent Framework (Preview): Making AI Agents Simple for Every Developer - .NET...

Microsoft Agent Framework (Preview) unifies agent creation, orchestration, tooling, hosting, and observability so any .NET developer can ship production AI agents faster.

devblogs.microsoft.com
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I just got this screenshot from the Visual Studio engineering team. I've wanted one-click Copilot actions for commonly used prompts for a long time. Excited 😀 Coming soon...
Image from Mads Kristensen (@madskristensen)
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Toni Wenzel retweeted
ErikEJ (@ErikEJ) profile picture
ErikEJ
@ErikEJ26 Jul 2025
Finally here: Microsoft .Data.SqlClient 6.1! - huge perf improvements to async blob read - new Vector data type support - other perf and bug fixes #dotnet #sqlserver github.com/dotnet/SqlClient/…
Release [Delisted] Stable Release v6.1.0 · dotnet/SqlClient

Release [Delisted] Stable Release v6.1.0 · dotnet/SqlClient

Release Notes WarningThis release version is delisted from NuGet.org and is no longer supported. It contains critical bugs that make it unsuitable for use. Stable Release 6.1.0 - 2025-07-25 This u...

github.com
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.NET (@dotnet) profile picture
.NET
@dotnet11 Jun 2025
Semantic Kernel is a great orchestrator for building AI apps. .NET Aspire brings a great developer experience. In this On .NET, the team simplifies the dev experience when building intelligent apps! Tune in. 🎥 msft.it/6018SWlBK
spot art. Photo of presenter(s). text reads: .NET Aspire + Semantic Kernel = The Perfect AI Dev Experience

ALT spot art. Photo of presenter(s). text reads: .NET Aspire + Semantic Kernel = The Perfect AI Dev Experience

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Home Assistant 2025.5 🎉 Smarter backups with per-location retention, Z-Wave Long Range support, an improved entity picking experience, tons of new voices for Home Assistant Cloud, and the ability to just paste YAML directly into your automations. home-assistant.io/blog/2025/…
Image from Home Assistant (@home_assistant)
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ℏεsam (@Hesamation) profile picture
ℏεsam
@Hesamation9 Apr 2025
Google published a 69-page whitepaper on Prompt Engineering and its best practices, a must-read if you are using LLMs in production: > zero-shot, one-shot, few-shot > system prompting > chain-of-thought (CoT) > ReAct > code prompting > best practices
Image from ℏεsam (@Hesamation)
Image from ℏεsam (@Hesamation)
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A new version of the MCP spec was finalized today. Some of the major changes: - Auth framework based on OAuth 2.1 - Replaced the previous HTTP+SSE transport with Streamable HTTP transport - Support for JSON-RPC batching - Tool annotations for better describing tool behavior
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Toni Wenzel retweeted
David Fowler (@davidfowl) profile picture
David Fowler
@davidfowl22 Mar 2025
Official MCP C# SDK! github.com/modelcontextproto… Happy Friday! #dotnet #mcp
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View NuGet transitive package dependency graph dotnet nuget why dropped as part of #dotnet 9 and will tell us what parent / ancestor packages caused a particular library to be included. I 💗 this, it might seem simple but this will be a big timer saver for many devs. What do you think?
dotnet nuget why example

ALT dotnet nuget why example

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𝗛𝗼𝗺𝗲 𝗔𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝘁 𝟮𝟬𝟮𝟱.𝟯 🎉 ✔️ Dashboard view headers ✔️ Tons of tile card improvements ✔️ Better map clustering ✔️ Assist now streams responses ✔️ Integrating SmartThings is smoother than ever! Check out what’s new! 👇 🔗 home-assistant.io/blog/2025/…
Image from Home Assistant (@home_assistant)
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Inspired by @staff0rd ' work on LLM agents, I built an MCP server that lets LLMs interact with #SEQ. It's amazing to see LLMs analyse system behavior by speaking SEQ's language through MCP! Check out here: ahmadreza.com/2025/02/buildi… #LLM #MCP @nblumhardt @datalust_seq
Building a Model Context Protocol Server for SEQ Structured Logging

Building a Model Context Protocol Server for SEQ Structured Logging

Large Language Models (LLMs) have become increasingly powerful, but their true potential emerges when they can interact with external tools and systems. As Mark Russinovich aptly described, giving...

ahmadreza.com
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Toni Wenzel retweeted
David Fowler (@davidfowl) profile picture
David Fowler
@davidfowl20 Feb 2025
If you are using LLMs and consistently getting horrible results, it’s not the LLM but how you are using it. It might be a combination, but you have to treat them like tools. Learn how the tool works, build a mental model for it, be curious and try different approaches. If you haven’t watched @karpathy ‘s marathon video “Deep Dive into LLMs like ChatGPT” I highly recommend it! youtu.be/7xTGNNLPyMI?si=hHwN…
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Using Duende.AccessTokenManagement? Upgrade to v3.2.0! Previous versions contain a race condition when requesting access tokens which may trigger errors in specific cases. Advisory: github.com/DuendeSoftware/fo… Discussion: github.com/orgs/DuendeSoftwa… #IdentityServer #Security #dotnet

Duende.AccessTokenManagement race condition when concurrently retrieving customized Client Creden...

### Summary Duende.AccessTokenManagement contains a race condition when requesting access tokens using the client credentials flow. Concurrent requests to obtain an access token using differing pr...

github.com
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Toni Wenzel retweeted
ErikEJ (@ErikEJ) profile picture
ErikEJ
@ErikEJ16 Jan 2025
Verison 6 of the modern .NET driver for Azure SQL Database and SQL Server has just been released on NuGet - release notes are available (somewhat hidden) here - this release includes multiple breaking changes, so take note buff.ly/3WKBTc3
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A “Razor” is a rule of thumb that simplifies decision making. Here are 15 Razors every person should know (a visual thread:
Image from Clint Murphy (@IAmClintMurphy)
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Toni Wenzel retweeted
ErikEJ (@ErikEJ) profile picture
ErikEJ
@ErikEJ25 Nov 2024
dotNET blog: OpenAPI document generation in .NET 9 ift.tt/mrtgE1w
OpenAPI document generation in .NET 9 - .NET Blog

OpenAPI document generation in .NET 9 - .NET Blog

Introducing the New OpenAPI Document Generation Feature in .NET 9. Let's take a look at what it is, how to use it, and how it streamlines API development in .NET.

devblogs.microsoft.com
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Did you know that Microsoft Visual Studio will show you errors in your JSON string if you just put a comment //lang=json? #json #csharp #dotnet
Image from Hassan Habib (@HassanRezkHabib)
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`dotnet nuget why` command shows the dependency graph for a particular package for a given project or solution. learn.microsoft.com/en-us/do… Examples
Image from Karen Payne MVP (@KarenPayneMVP)
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