SDK features

Overview

This category contains documentation topics explaining the features available in LaunchDarkly SDKs.

For a summary of which versions of each SDK support which features, read Supported features.

For a comparison of the different kinds of SDKs available, read Client-side, server-side, and edge SDKs.

Supported features

LaunchDarkly SDKs support the following features:

• Aliasing users
• Anonymous contexts and users
• Automatic environment attributes
• Big segments
• Bootstrapping
• Configuration
• Evaluating flags
• Flag evaluation reasons
• Flushing events
• Getting all flags
• Identifying and changing contexts
• Inspectors
• Logging configuration
• Migrations
• Monitoring SDK status
• Multiple environments
• Offline mode
• OpenTelemetry
• Private attributes
• Reading flags from a file
• Relay Proxy configuration
• Secure mode
• Sending custom events
• Shutting down
• Storing data
• Subscribing to flag changes
• Test data sources
• User and context configuration
• Web proxy configuration