Feature Management Overview

Feature Management libraries provide standardized APIs for enabling feature flags within applications. Use these libraries to secure a consistent experience when developing applications that use patterns such as beta access, rollout, dark deployments, and more.

Feature Management Libraries

Module	Platform	Sample	Release Notes
Microsoft.FeatureManagement	.NET Standard	Sample	Release Notes
Microsoft.FeatureManagement.AspNetCore	ASP.NET Core	Sample	Release Notes
spring-cloud-azure-feature-management	Spring Boot	Sample	Release Notes
spring-cloud-azure-feature-management-web	Spring Boot	Sample	Release Notes
featuremanagement	Python	Sample	Release Notes
@microsoft/feature-management	JavaScript	Sample	Release Notes
featuremanagement	Go	Sample	Release Notes

Feature Development Status

This is an overview of each feature and its current status for different frameworks or programming languages.

• GA (General Availability): The feature is fully released, considered stable, and ready for production use.
• Preview: The feature is available for early testing and feedback, but not yet fully stable or recommended for production use.
• WIP (Work in Progress): The feature is actively being developed and not yet ready for release.
• N/A (Not Available): It is not planned to offer the feature for the specified framework or language.

Feature	.NET	Spring	Python	JavaScript	Go
Targeting Filter	GA	GA	GA	GA	GA
Targeting Exclusion	GA	GA	GA	GA	GA
Ambient Targeting	GA	WIP	WIP	GA	WIP
Time Window Filter	GA	GA	GA	GA	GA
Recurring Time Window	GA	GA	GA	GA	WIP
Custom Feature Filter	GA	GA	GA	GA	GA
Feature Filter Requirement Type (AND/OR)	GA	GA	GA	GA	GA
Variant Feature Flag	GA	GA	GA	GA	GA
Feature Flag Telemetry	GA	GA	GA	GA	WIP
Application Insights Integration	GA	GA	GA	GA	WIP
Feature Gate	GA	GA	N/A	N/A	N/A
Feature Gated Middleware	GA	GA	N/A	N/A	N/A
Custom Feature Flag Configuration Merging	GA	N/A	N/A	N/A	N/A

Support policy

Details on the support policy for feature management libraries can be found here.