Overview

Welcome to LaunchDarkly Docs

LaunchDarkly serves a suite of tools that help you ship your code safer, faster, and more effectively with whatever language and frameworks you use today.

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What’s new

DateChange summaryAffected topics
August 21, 2026Updates the Android and iOS observability SDK reference topics to document screen view tracking, session replay masking precedence, and additional plugin configuration options.Android SDK observability reference, iOS SDK observability reference
August 20, 2026Documents Relay Proxy support for multiple concurrent SDK keys and mobile keys per environment when using automatic configuration.SDK credentials, Automatic configuration
August 20, 2026Adds new custom role actions to the Using actions topic.Using actions
August 20, 2026Publishes a topic about count distinct metrics, which measure the number of unique values in a warehouse column.Count distinct metrics
August 20, 2026Updates docs to include the docs-specific commands in LaunchDarkly MCP server tools.AgentControl onboarding prompt
August 19, 2026Documents how to sign in to LaunchDarkly from Vercel after installing the Vercel Marketplace integration.Vercel Marketplace, Single sign-on
August 18, 2026Updates the Warehouse Data Export and Data Export topics to include ClickHouse Data Export.Warehouse Data Export, Data Export
August 17, 2026Publishes topics about adaptive flag triggers and adaptive AgentControl config triggers.Adaptive flag triggers, Adaptive AgentControl triggers
August 14, 2026Adds a migration guide for converting legacy Python and Node.js AI SDK call sites to the current handler-based SDKs.Migrate from the legacy AI SDKs
August 14, 2026Publishes the Java AI SDK reference.Java AI SDK reference
August 13, 2026Rewrites the Python and Node.js AI SDK reference topics for the new, more opinionated SDK that handles provider routing, client setup, and metrics tracking automatically. Publishes the previous reference as a separate topic for the legacy SDK, which is now in maintenance mode.Python AI SDK reference, Python AI SDK (legacy), Node.js AI SDK reference, Node.js AI SDK reference (legacy)
August 13, 2026Adds information about how LaunchDarkly groups LLM and agent spans into conversations. Corrects the list of standard LLM span attributes to use the normalized LaunchDarkly names.LLM observability
August 13, 2026Publishes a topic on instrumenting your application so LLM spans and conversations appear in the LaunchDarkly UI.Instrumenting LLM applications
August 11, 2026Updates the BigQuery Data Export topic to document workload identity federation authentication.BigQuery Data Export
August 11, 2026Updates the BigQuery native Experimentation topic to document workload identity federation authentication.BigQuery native Experimentation
August 11, 2026Adds documentation about installing and use the Vercel Marketplace integration to create a LaunchDarkly account and connect it to your Vercel project.Vercel Marketplace
August 11, 2026Publishes a topic about metric exemplars, which link points on an observability metric graph to the traces and sessions that produced them.Metric exemplars, Recording metrics
August 10, 2026Updates the live events documentation for the new events experience, including historical time ranges, event diagnostics, misconfigured flag keys, and setup troubleshooting.Live events
August 10, 2026Publishes a tutorial about using LiteLLM with AgentControl.Use LaunchDarkly AgentControl to control model administration with LiteLLM
August 7, 2026Adds information about how LaunchDarkly flattens nested track event properties so you can search for each individual value.Search by track event properties
August 6, 2026Publishes a topic on how to use symbolication to display human-readable stack traces for errors from mobile applications.Symbolication for stack traces
August 4, 2026Adds SQL language examples to help you understand each LaunchDarkly metric type.Choosing a metric type
August 4, 2026Adds documentation about exploring sample data added to new trial accounts.Exploring sample data
August 4, 2026Publishes a migration guide for the new Node.js (client-side) SDK version.Node.js (client-side) SDK 3.x to 4.0 migration guide
August 3, 2026Adds information about performing clustered analysis with Snowflake native experiments by selecting metric analysis units that are different from the experiment randomization unit.Randomization units and metric analysis units
See all updates

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