A First Look at Duende User Management | Duende Join us March 24 for a first look at Duende User Management. Learn to replace ASP.NET Identity with built-in Passkeys, MFA, and audits.

Passkeys. Built-in MFA. One-Time Passwords. Audit trails. 🔐 See how Duende User Management is replacing the complexity of ASP.NET Identity with a crafted, integrated foundation.

Join the live preview on March 24th: duende.link/78q3hk

#dotNet #aspnet #aspnetcore #identityserver

Blazor Web App Build Series - Metrics Platform This is a special playlist for newsletter subscribers to follow along with as we build out a custom metrics platform in Blazor! Newsletter subscribers get ac...

Building a Blazor App From Scratch Series:
www.youtube.com/playlist

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Duende IdentityServer The most flexible and standards-compliant OpenID Connect and OAuth framework for ASP.NET Core.

.NET 10 performance benefits everyone. By optimizing IdentityServer for the new runtime, we pass those gains down to every application that relies on us.

Reduced CPU cycles in auth mean lower cloud bills for the entire community.

Learn more: duende.link/2swrhhw

#dotnet #aspnet #aspnetcore

Explore the latest insights on ASP.NET Core! Discover answers to common questions and enhance your skills. Perfect for developers seeking practical knowledge. #ASPNET #CodingTips

Application Modernization Future-proof your apps with Duende's identity modernization. Get better security and control while preserving your existing identity logic.

SaaS providers are black boxes. Duende gives you full source access.

Step-through to understand exactly how it all works.

Learn More: duende.link/appmodb

#aspnet #dotnet

Application Modernization Future-proof your apps with Duende's identity modernization. Get better security and control while preserving your existing identity logic.

Nothing is more frustrating than a tool that fights you. We respect your expertise. Our architecture gives you the control to build exactly what you need, without the black-box limitations that make work a headache.

Learn More: duende.link/appmodb

#aspnet #aspnetcore #dotnet

Want to build your own personal website?

Read more here:
www.devleader.ca/2023/10/15/how-to-build-...

#blazor #dotnet #csharp #aspnet #programming

.NET 10 performance benefits everyone. By optimizing IdentityServer for the new runtime, we pass those gains down to every application that relies on us. Reduced CPU cycles in auth mean lower cloud bills for the entire community.

Learn More 👉️ duende.link/is74b0b

#aspnet #aspnetcore #dotnet

🗂️ Custom Session Store for Complex Objects in ASP.NET Core ASP.NET Core’s default session fails with complex objects. This post shows how to store them safely in memory.

🗂️ New: Modernizing .NET – Part 15
JSON fails with circular objects. Protobuf-net can’t fix recursive graphs.
Here’s a custom ASP.NET Core Session Store that can.

Read → medium.com/@michael.kop...
#DotNet #DotNetCore #DotNet8 #DotNet9 #DotNet10 #ASPNet #ASPNetCore #CSharp #Middleware #SessionState

The Big Picture An overview of modern application architecture patterns and how OpenID Connect and OAuth 2.0 protocols implemented by IdentityServer solve authentication and API access challenges

The best optimization is the one you don't write. Upgrading to .NET 10 delivers throughput gains purely through runtime improvements. Get a "free" boost by updating the package.

Learn More: duende.link/bpicb

#aspnet #dotnet

Encountering `TryParse` errors in ASP.NET Core? This insightful post breaks down common pitfalls and provides solutions to streamline your development process. #aspnet #dotnet

https://isaacl.dev/g2e

Application Modernization Future-proof your apps with Duende's identity modernization. Get better security and control while preserving your existing identity logic.

Licensing isn't just legal paperwork; it’s a safety net for your team. Knowing that Duende engineers are maintaining the Identity SDK allows you to focus on what you love building.

We carry the weight of standards and compliance so you don't have to: duende.link/appmodb

#aspnet #dotnet

Duende Product Insiders We invite you to join a deeply technical, standards-driven community to help shape the future of .NET security and identity.

Standards evolve because people participate. Insiders help shape the roadmap. When we prototype new features, we ask the community how they fit real-world architectures.

Apply: duende.link/insiders

#aspnet #dotnet

Logging without structure = flying blind in production. Serilog is essential for #dotnet apps. Learn structured logging best practices for #aspnet Core.

codewithmukesh.com/blog/struct...

#csharp

🚨 Silent security bugs are the worst kind. Discover how a quirk in legacy #aspnet MVC silently dropped a critical security filter.

bartwullems.blogspot.com/2026/03/the...

#dotnet #security

Application Modernization Future-proof your apps with Duende's identity modernization. Get better security and control while preserving your existing identity logic.

Nothing is more frustrating than a tool that fights you. We respect your expertise. Our architecture gives you the control to build exactly what you need, without the black-box limitations that make work a headache.

We empower the security architect.

Learn more 👉️ duende.link/appmodb

#aspnet

GitHub - WispFramework/Wisp: An opinionated, embeddable, C# web microframework An opinionated, embeddable, C# web microframework. Contribute to WispFramework/Wisp development by creating an account on GitHub.

Introducing Wisp Framework.

A .NET web framework that does not depend on the .NET Web SDK.

github.com/WispFramewor...

#dotnet #framework #aspnet #csharp #webdev

Null exceptions are costly. We are enforcing strict Nullable Reference Types across the IdentityServer API in .NET 10. The compiler catches bugs before you deploy.

The community deserves rigorous design.

Learn More: duende.link/bpicb

#aspnet #dotnet

NCrontab Expression Tester Evaluator Use the NCrontab Expression Tester tool to test out your NCrontab/CRON expression and see the DateTimes of your occurrences.

I gave my Blazor based ncrontab testing tool a facelift
ncrontab.swimburger.net
#dotnet #csharp #blazor #aspnet

remember this small #api about currencies exchange? lets take a break from the maritime project =) 🪙

I implemented custom logging into a text file for when the api is launched NOT in docker (⁠ ⁠ꈍ⁠ᴗ⁠ꈍ⁠) file path is specified in appsettings.json btw

#dotnet #devlog #buildinpublic #devops #aspnet

Spot art. Photo of presenter(s) text reads: the modern .net show

This episode is peak “.NET 10 fixes the stuff that quietly annoyed you for years.”
Mark J. Price dives into C# 14 goodies, file‑based apps, cleaner #ASPNET Core flows, and all the tiny paper cuts Microsoft finally patched over.
A fun, nerdy listen: buff.ly/zudP4zb

The Agentic Coding Workflow: A Practical Example #dotnet #aspnet #blazor #ai #agents

https://isaacl.dev/g1x

🧩 Modernizing .NET — Part 14: Migrating from WebHost to WebApplication in ASP.NET Core WebHost was common in early ASP.NET Core apps. This post shows how to migrate to the modern WebApplication model.

🧩 New: Modernizing .NET – Part 14
WebHost still works, but WebApplication is better.
Here’s how to migrate your ASP.NET Core app to the modern hosting model.

Read → medium.com/@michael.kop...
#DotNet #DotNetCore #DotNet8 #DotNet9 #DotNet10 #ASPNet #ASPNetCore #CSharp #Middleware

Spot art. Photo of presenter(s) text reads: Clean Architecture with ASP.NET Core 10

#ASPNET Core provides better support for clean, testable, maintainable architectures than any of its predecessors.

In this #dotNETConf session replay, we learn the underlying principles that apply to project/solution organization. 🎥 buff.ly/Y7oJOyZ

.NET 10 performance benefits everyone. By optimizing IdentityServer for the new runtime, we pass those gains down to every application that relies on us.

Reduced CPU cycles in auth mean lower cloud bills for the entire community.

Learn more: duende.link/bpicb

#aspnet #aspnetcore #dotnet

photo of presenter, illustration of .net ninja bot. text reads: The modern .net show

This episode is peak “.NET 10 fixes the stuff that quietly annoyed you for years.”
Mark J. Price dives into C# 14 goodies, file‑based apps, cleaner #ASPNET Core flows, and all the tiny paper cuts Microsoft finally patched over.
A fun, nerdy listen: buff.ly/zudP4zb

Duende IdentityServer v7.4 is now available Duende IdentityServer v7.4 is here! Full compatibility with .NET 10 LTS, plus a standards-based foundation for agentic AI systems and MCP.

Stability is a community asset. Aligning with the Microsoft LTS schedule provides a shared timeline for the industry. We can all plan, budget, and coordinate releases together.

Predictability helps the whole community function better.

Learn More: duende.link/is74b0b

#aspnet #dotnet #LTS

Duplicate webhook events happen. Idempotency keeps your API from melting down. This guide shows how to use request IDs, persistence checks, and safe‑retry logic in #ASPNET Core to make every event safe to process — even when it arrives twice.
👉 Read: dev.to/ramapratheeb...

🗣️ Share with your network!

#blazor #csharp #dotnet #dotnetcore #aspnet #aspnetcore

Alert: Malicious NuGet packages targeting ASP dot NET developers have been discovered, exfiltrating sensitive data and creating backdoors. Developers, stay vigilant! #CyberSecurity #NuGet #ASPNet Link: thedailytechfeed.com/malicious-nu...