Tutorials, release notes, and best practices about feature flags, .NET feature management, and engineering.
RSS.NET 8 and .NET 9 stop getting security fixes on November 10, 2026. If you're moving to .NET 10, here is what to check in your feature flags, and why the upgrade is a good time to stop redeploying to flip them.
Read more →Microsoft.FeatureManagement doesn't need Azure. Here are the ways to feed it flags, from appsettings.json to a custom provider to a hosted service, and what each one costs you.
Read more →Need a feature to turn itself on or off at a specific time? Microsoft.FeatureManagement’s TimeWindow filter does exactly that, without making your deployment pipeline cry.
Read more →Microsoft.FeatureManagement's targeting filter makes user targeting quick and easy, but JSON gets ugly fast. Here's how targeting works, what Azure App Configuration fixes, and how FeatureFlags.app keeps it simple.
Read more →On how Microsoft.FeatureManagement gets its configuration, how IConfiguration reloads settings, and how FeatureFlags.app refreshes an in-memory copy in the background to keep flag evaluations from becoming your own personal denial of service.
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