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How to convert .github/prompts/*.prompt.md into .github/skills/<name>/SKILL.md so GitHub Copilot loads them automatically. What breaks, what maps 1:1, and how to verify each skill fires.

A filter-by-filter porting reference for moving Swashbuckle IOperationFilter and ISchemaFilter code to the built-in operation and schema transformers in .NET 11, with the context-object field mapping and the Microsoft.OpenApi v2 changes that bite.

A practical, end-to-end guide to monetizing a .NET MAUI app with Google AdMob using Plugin.AdMob. Install one NuGet, call UseAdMob(), and wire up banner, interstitial, and rewarded ads — with consent built in via UMP, test ad units, the exact service APIs, preloading patterns, and a production checklist. Tested on .NET 10 / MAUI.

await is the right answer almost every time. When you truly must block, GetAwaiter().GetResult() beats .Result and .Wait() because it throws the original exception. A decision matrix for .NET 11 and C# 14.

Cancelling the CancellationToken you pass to InvokeAsync now reaches the server and cancels the hub method. This closes a SignalR request open since 2019.

Version 2.1.218 moves /code-review off your main conversation into a background subagent, and fork-context skills now background by default. Here is what changed and how to opt out.

Pick Copilot coding agent when the work starts and ends on GitHub and you want issue-to-PR with native branch protection. Pick Cursor cloud agents when you want a live, editor-attached VM, multi-repo tasks, and to take over the run by hand. Full feature matrix, the 59-minute cap, the Actions-approval gotcha, and June 2026 billing for both.

Plugin.AdMob now renders native video ads. Drop a MediaView into your NativeAdView template, request video with VideoOptions, and wire up the OnVideoStart/Play/Pause/End lifecycle events — including the custom-controls caveat that trips everyone up on AdMob inventory. Full walkthrough with a complete working example, tested on Android with the native video demo unit.

Install flutter_riverpod for almost every Flutter app. Use riverpod only for Dart-only code, and hooks_riverpod only if you already use flutter_hooks.

In ASP.NET Core 11, return Results<T1, TN> with TypedResults for minimal APIs and ActionResult<T> for controllers. Treat bare IResult and bare IActionResult as escape hatches: they compile for any response but describe nothing to OpenAPI, so you pay for them in hand-written ProducesResponseType attributes.