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Get Your .NET MAUI App Ready for Xcode 27

Use an agent skill to prepare your existing .NET MAUI app for Xcode 27, with the scene lifecycle changes and manual migration steps explained. The post Get Your .NET MAUI App Ready for Xcode 27 appeared first on .NET Blog.

October 19, 2026.NET Blog
.NET.NET Blog

Bring Your Own Model to the GitHub Copilot SDK with C#

The GitHub Copilot SDK gives your application an agent runtime. BYOK lets you keep that runtime while sending model requests to your own Microsoft Foundry or Azure OpenAI deployment. Here is the complete C# setup. The post Bring Your Own Model to the GitHub Copilot SDK with C# appeared first on .NET Blog.

October 19, 2026.NET Blog
DesenvolvimentoDEV Community

How AI agents can pay for AI services per call: x402 "upto" payments on Base

A ceiling the payer signs, a metered amount the service settles, and no API keys Most AI services still sell access the way SaaS did in 2015: an account, an API key, a monthly plan and an invoice. That works for a human team. It does not work for an AI agent that needs to call a model it found a minute ago, pay for 3,000 tokens and move on. The problem with fixed-price payments HTTP 402 "Payment Required" has existed since the 1990s. The x402 standard finally gives it a format: a service answers

October 17, 2026DEV Community
DesenvolvimentoDEV Community

Replacing a no-op confirm with a promise means every exit now owes somebody an answer

Munchable's confirm dialogs used to be Alert.alert. On react-native-web that export is literally class Alert { static alert() {} }, so every confirmation in the browser build did nothing at all: sign out, delete account, the report flow. I wrote that one up already. The replacement is a small store plus a host component, and it works on all three platforms. This post is about the bug the replacement is capable of, which has the same symptom as the one it fixed. A promise is a debt The API that r

October 17, 2026DEV Community
DesenvolvimentoDEV Community

Five campaigns want the same 75 emails a day, and null is how one of them says "whatever is left"

A Nakodo plan allows a number of new conversations a weekday: 25 on Pro, 75 on Business, and the pricing table lists both. A Business account can have 25 campaigns running at once. So: 75 emails, 25 campaigns, and the obvious failure mode is that the campaign whose pipeline happens to be fullest at 09:00 takes all 75 and the other 24 get nothing all day. Nobody would describe that as broken, exactly. It just means the feature you added three campaigns ago silently stopped working. The fix is a s

October 17, 2026DEV Community
.NET.NET Blog

Introducing dotnetup: A toolchain manager for .NET

Learn how the new dotnetup tool helps macOS and Linux developers install, manage, and update user-local .NET SDKs and runtimes. The post Introducing dotnetup: A toolchain manager for .NET appeared first on .NET Blog.

October 15, 2026.NET Blog
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