LaunchDarkly

1. Architecture and Vocabulary

   Streaming and polling architecture, SDKs, flag delivery, and core vocabulary.

2. Creating and Managing Flags

   Flag creation, flag types, variations, and on/off states.

3. Targeting Rules

   Individual targets, rule-based targeting, and fallthrough behavior.

4. Contexts and Attributes

   Context kinds, multi-contexts, attributes, and private attributes.

5. Prerequisites and Flag Lifecycle

   Flag prerequisites, dependencies, and archiving flags.

6. SDK Concepts and Features

   Client-side vs server-side SDKs, initialization, evaluation, and events.

7. Relay Proxy

   Running the Relay Proxy for scale, resilience, and network control.

8. Progressive and Guarded Rollouts

   Gradual rollouts, guarded rollouts with monitoring, and automatic rollback.

9. Release Pipelines and Approvals

   Release pipelines, phases, approvals, and change governance.

10. Experimentation and Metrics

    Running experiments, metrics, holdouts, and statistical methodology.

11. Integrations

    Connecting LaunchDarkly to monitoring, collaboration, and data tools.

12. Teams and Custom Roles

    Role-based access control, teams, and account security.

13. REST API

    Programmatic management of flags and resources.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.