> ## Documentation Index
> Fetch the complete documentation index at: https://launchdarkly.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

<View title="Developer" />

<View title="Federal docs" />

<View title="EU docs" />

This topic summarizes changes made to the LaunchDarkly documentation site. Use the table below to stay up to date on everything new in our docs.

<table>
  <thead>
    <tr>
      <th>Date</th>
      <th>Change summary</th>
      <th>Affected topics</th>
    </tr>
  </thead>

  <tbody>
    <tr>
      <td>October 9, 2026</td>
      <td>Publishes a topic on using the preview LaunchDarkly integration in the New Relic Python agent to send traces with feature flag evaluation data to LaunchDarkly.</td>
      <td>[Using the New Relic Python agent with LaunchDarkly](/docs/sdk/observability/python-new-relic), [New Relic One](/docs/integrations/new-relic#observability-ingestion-from-the-new-relic-python-agent)</td>
    </tr>

    <tr>
      <td>October 9, 2026</td>
      <td>Publishes a topic about setting up ClickHouse native Experimentation, and updates the default database name in ClickHouse Data Export.</td>
      <td>[ClickHouse native Experimentation](/docs/home/warehouse-native/clickhouse), [ClickHouse Data Export](/docs/integrations/data-export/clickhouse)</td>
    </tr>

    <tr>
      <td>October 8, 2026</td>
      <td>Publishes a topic on recent changes to custom roles, actions, and resources.</td>
      <td>[Updates to actions and resources](/docs/home/account/roles/role-updates)</td>
    </tr>

    <tr>
      <td>October 7, 2026</td>
      <td>Documents the new options in the .NET MAUI observability SDK version 0.13.0, and the project setting required for HTTP request tracing. Also updates the session replay setup to use a single `ObservabilityPlugin`.</td>
      <td>[.NET MAUI SDK observability reference](/docs/sdk/observability/maui), [Getting started with observability for .NET MAUI](/docs/guides/observability/getting-started-maui)</td>
    </tr>

    <tr>
      <td>October 7, 2026</td>
      <td>Updates the Redshift native Experimentation topic to document the full-page setup, including optional custom database, schema, group, and user names.</td>
      <td>[Redshift native Experimentation](/docs/home/warehouse-native/redshift)</td>
    </tr>

    <tr>
      <td>October 2, 2026</td>
      <td>Publishes a topic on using agent skills with the Python and Node.js AI SDKs, including how to discover, retrieve, and materialize skills onto disk.</td>
      <td>[Agent skills](/docs/sdk/features/agent-skills)</td>
    </tr>

    <tr>
      <td>October 2, 2026</td>
      <td>Documents support for agent skills in AgentControl, including how to create, version, and attach skills to config variations.</td>
      <td>[Agent skills](/docs/home/agentcontrol/agent-skills)</td>
    </tr>

    <tr>
      <td>October 2, 2026</td>
      <td>Documents deferred recording introduced in the React Native session replay plugin version 0.24.0. Also documents the sampling, frame rate, and image quality options for this plugin.</td>
      <td>[React Native SDK observability reference](/docs/sdk/observability/react-native#initialize-session-replay-manually), [Configuration for session replay](/docs/sdk/features/session-replay-config#react-native)</td>
    </tr>

    <tr>
      <td>September 30, 2026</td>
      <td>Updates the observability services documentation to describe the new services map view, list view, and service details panel.</td>
      <td>[Services](/docs/home/observability/services), [Service details](/docs/home/observability/service-details)</td>
    </tr>

    <tr>
      <td>September 24, 2026</td>
      <td>Documents the version 1.0 API changes for the Flutter observability plugin.</td>
      <td>[Flutter SDK observability reference](/docs/sdk/observability/flutter), [Configuration for client-side observability](/docs/sdk/features/observability-config-client-side#flutter), [Configuration for session replay](/docs/sdk/features/session-replay-config#flutter), [Logs](/docs/sdk/features/observability-logs#flutter), [Tracing](/docs/sdk/features/observability-traces#flutter)</td>
    </tr>

    <tr>
      <td>September 22, 2026</td>
      <td>Publishes topics about using assignment data sources in LaunchDarkly experiments.</td>
      <td>[Assignment data sources](/docs/home/warehouse-native/assignment-data-sources), [Assignment data source actions](/docs/home/account/roles/role-actions#assignment-data-source-actions)</td>
    </tr>

    <tr>
      <td>September 21, 2026</td>
      <td>Publishes a reference topic for the new LaunchDarkly OpenFeature provider for the Cloudflare SDK.</td>
      <td>[OpenFeature provider for Cloudflare SDK](/docs/sdk/openfeature/cloudflare), [OpenFeature providers](/docs/sdk/openfeature)</td>
    </tr>

    <tr>
      <td>September 16, 2026</td>
      <td>Documents screen view and tap tracking reported from Dart in the Flutter observability plugin.</td>
      <td>[Flutter SDK observability reference](/docs/sdk/observability/flutter#record-screen-views), [Product analytics events](/docs/home/observability/product-analytics), [Configuration for session replay](/docs/sdk/features/session-replay-config)</td>
    </tr>

    <tr>
      <td>September 11, 2026</td>
      <td>Publishes a migration guide and updates the reference topic for the new Vue SDK version 3.0.</td>
      <td>[Vue SDK 2.x to 3.0 migration guide](/docs/sdk/client-side/vue/migration-2-to-3), [Vue SDK reference](/docs/sdk/client-side/vue)</td>
    </tr>

    <tr>
      <td>September 9, 2026</td>
      <td>Publishes a topic on how experiment traffic assignment works for different experiment types.</td>
      <td>[Experiment traffic assignment](/docs/home/experimentation/traffic-assignment)</td>
    </tr>

    <tr>
      <td>September 9, 2026</td>
      <td>Publishes a topic on forwarding errors from third-party observability tools to LaunchDarkly as custom events, including Sentry examples for browser JavaScript, iOS, and Android.</td>
      <td>[Sending error events from observability tools](/docs/integrations/monitoring/error-events)</td>
    </tr>

    <tr>
      <td>September 9, 2026</td>
      <td>Publishes a guide on how to connect a .Net Maui application to LaunchDarkly observability features.</td>
      <td>[Getting started with observability and session replay for Maui applications](/docs/guides/observability/getting-started-maui)</td>
    </tr>

    <tr>
      <td>September 9, 2026</td>
      <td>Publishes a guide on when to use session replay, traces, logs, and Vega.</td>
      <td>[When to use session replay, traces, logs, and Vega](/docs/guides/observability/when-to-use-session-replay-traces-logs)</td>
    </tr>

    <tr>
      <td>September 1, 2026</td>
      <td>Documents support for observability data ingestion in the LaunchDarkly EU instance, including the EU OpenTelemetry and public ingestion endpoints.</td>
      <td>[LaunchDarkly in the European Union (EU)](/docs/home/infrastructure/eu#eu-instance-urls), [Observability SDKs](/docs/sdk/observability), [Domain list](/docs/sdk/concepts/domain-list)</td>
    </tr>

    <tr>
      <td>September 1, 2026</td>
      <td>Publishes a topic on the in-app sample size calculator for frequentist experiments.</td>
      <td>[Sample size calculations](/docs/home/experimentation/sample-size-calculator)</td>
    </tr>

    <tr>
      <td>September 1, 2026</td>
      <td>Updates the Databricks native Experimentation and Databricks Data Export topics to document new authentication methods.</td>
      <td>[Databricks native Experimentation](/docs/home/warehouse-native/databricks), [Databricks Data Export](/docs/integrations/data-export/databricks)</td>
    </tr>

    <tr>
      <td>August 26, 2026</td>
      <td>Adds new threshold comparisons for constant observability alerts, including **Above or equal to**, **Below or equal to**, **Equal to**, and **Not equal to**. You can now choose whether an alert fires at the threshold value, or only when the observed value is strictly above or below it.</td>
      <td>[Alerts](/docs/home/observability/alerts)</td>
    </tr>

    <tr>
      <td>August 26, 2026</td>
      <td>Publishes a topic about filtered SDK payloads using views.</td>
      <td>[Filtered SDK payloads](/docs/sdk/concepts/payload-filtering), [SDK key actions](/docs/home/account/roles/role-actions#sdk-key-actions)</td>
    </tr>

    <tr>
      <td>August 25, 2026</td>
      <td>Publishes a topic about configuring Amazon Bedrock as a model provider for the Playground integration.</td>
      <td>[Configure Amazon Bedrock](/docs/home/agentcontrol/configure-amazon-bedrock)</td>
    </tr>

    <tr>
      <td>August 21, 2026</td>
      <td>Updates the Databricks Data Export topic to document OAuth machine-to-machine (M2M) authentication for the service principal.</td>
      <td>[Databricks Data Export](/docs/integrations/data-export/databricks)</td>
    </tr>

    <tr>
      <td>August 21, 2026</td>
      <td>Publishes a topic about using the LaunchDarkly observability and session replay plugins in a Salesforce Lightning Web Components (LWC) application.</td>
      <td>[Salesforce LWC observability reference](/docs/sdk/observability/salesforce-lwc)</td>
    </tr>

    <tr>
      <td>August 21, 2026</td>
      <td>Publishes a new guide about managing Data Export usage and export volume.</td>
      <td>[Data Export usage best practices](/docs/guides/integrations/data-export-usage)</td>
    </tr>

    <tr>
      <td>August 21, 2026</td>
      <td>Updates the metric event filtering topic to document new support for filtering warehouse native metric events from Snowflake data sources.</td>
      <td>[Filtering custom metric events](/docs/home/metrics/event-filters)</td>
    </tr>

    <tr>
      <td>August 21, 2026</td>
      <td>Updates the Android and iOS observability SDK reference topics to document screen view tracking, session replay masking precedence, and additional plugin configuration options.</td>
      <td>[Android SDK observability reference](/docs/sdk/observability/android), [iOS SDK observability reference](/docs/sdk/observability/ios)</td>
    </tr>

    <tr>
      <td>August 20, 2026</td>
      <td>Documents Relay Proxy support for multiple concurrent SDK keys and mobile keys per environment when using automatic configuration.</td>
      <td>[SDK credentials](/docs/home/account/environment/keys#multiple-sdk-credentials-for-multiple-applications), [Automatic configuration](/docs/sdk/relay-proxy/automatic-configuration)</td>
    </tr>

    <tr>
      <td>August 20, 2026</td>
      <td>Adds new custom role actions to the Using actions topic.</td>
      <td>[Using actions](/docs/home/account/roles/role-actions)</td>
    </tr>

    <tr>
      <td>August 20, 2026</td>
      <td>Publishes a topic about count distinct metrics, which measure the number of unique values in a warehouse column.</td>
      <td>[Count distinct metrics](/docs/home/metrics/count-distinct)</td>
    </tr>

    <tr>
      <td>August 20, 2026</td>
      <td>Updates docs to include the docs-specific commands in LaunchDarkly MCP server tools.</td>
      <td>[AgentControl onboarding prompt](/docs/home/agentcontrol/agentcontrol-prompt)</td>
    </tr>

    <tr>
      <td>August 19, 2026</td>
      <td>Documents how to sign in to LaunchDarkly from Vercel after installing the Vercel Marketplace integration.</td>
      <td>[Vercel Marketplace](/docs/integrations/vercel-marketplace), [Single sign-on](/docs/home/account/sso)</td>
    </tr>

    <tr>
      <td>August 18, 2026</td>
      <td>Updates the Warehouse Data Export and Data Export topics to include ClickHouse Data Export.</td>
      <td>[Warehouse Data Export](/docs/integrations/data-export/warehouse), [Data Export](/docs/integrations/data-export)</td>
    </tr>

    <tr>
      <td>August 17, 2026</td>
      <td>Publishes topics about adaptive flag triggers and adaptive AgentControl config triggers.</td>
      <td>[Adaptive flag triggers](/docs/home/flags/triggers), [Adaptive AgentControl triggers](/docs/home/agentcontrol/triggers)</td>
    </tr>

    <tr>
      <td>August 14, 2026</td>
      <td>Adds a migration guide for converting legacy Python and Node.js AI SDK call sites to the current handler-based SDKs.</td>
      <td>[Migrate from the legacy AI SDKs](/docs/sdk/ai/migration)</td>
    </tr>

    <tr>
      <td>August 14, 2026</td>
      <td>Publishes the Java AI SDK reference.</td>
      <td>[Java AI SDK reference](/docs/sdk/ai/java)</td>
    </tr>

    <tr>
      <td>August 13, 2026</td>
      <td>Rewrites 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.</td>
      <td>[Python AI SDK reference](/docs/sdk/ai/python), [Python AI SDK (legacy)](/docs/sdk/ai/python-legacy), [Node.js AI SDK reference](/docs/sdk/ai/node-js), [Node.js AI SDK reference (legacy)](/docs/sdk/ai/node-js-legacy)</td>
    </tr>

    <tr>
      <td>August 13, 2026</td>
      <td>Adds 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.</td>
      <td>[LLM observability](/docs/home/observability/llm-observability)</td>
    </tr>

    <tr>
      <td>August 13, 2026</td>
      <td>Publishes a topic on instrumenting your application so LLM spans and conversations appear in the LaunchDarkly UI.</td>
      <td>[Instrumenting LLM applications](/docs/sdk/features/observability-llm-instrumentation)</td>
    </tr>

    <tr>
      <td>August 11, 2026</td>
      <td>Updates the BigQuery Data Export topic to document workload identity federation authentication.</td>
      <td>[BigQuery Data Export](/docs/integrations/data-export/bigquery)</td>
    </tr>

    <tr>
      <td>August 11, 2026</td>
      <td>Updates the BigQuery native Experimentation topic to document workload identity federation authentication.</td>
      <td>[BigQuery native Experimentation](/docs/home/warehouse-native/bigquery)</td>
    </tr>

    <tr>
      <td>August 11, 2026</td>
      <td>Adds documentation about installing and use the Vercel Marketplace integration to create a LaunchDarkly account and connect it to your Vercel project.</td>
      <td>[Vercel Marketplace](/docs/integrations/vercel-marketplace)</td>
    </tr>

    <tr>
      <td>August 11, 2026</td>
      <td>Publishes a topic about metric exemplars, which link points on an observability metric graph to the traces and sessions that produced them.</td>
      <td>[Metric exemplars](/docs/home/observability/metric-exemplars), [Recording metrics](/docs/sdk/features/observability-metrics#using-exemplars-to-link-traces-and-sessions)</td>
    </tr>

    <tr>
      <td>August 10, 2026</td>
      <td>Updates the live events documentation for the new events experience, including historical time ranges, event diagnostics, misconfigured flag keys, and setup troubleshooting.</td>
      <td>[Live events](/docs/home/releases/live-events)</td>
    </tr>

    <tr>
      <td>August 10, 2026</td>
      <td>Publishes a tutorial about using LiteLLM with AgentControl.</td>
      <td>[Use LaunchDarkly AgentControl to control model administration with LiteLLM](/docs/tutorials/agentcontrol-litellm-gateway)</td>
    </tr>

    <tr>
      <td>August 7, 2026</td>
      <td>Adds information about how LaunchDarkly flattens nested track event properties so you can search for each individual value.</td>
      <td>[Search by track event properties](/docs/home/observability/session-replay#search-by-track-event-properties)</td>
    </tr>

    <tr>
      <td>August 6, 2026</td>
      <td>Publishes a topic on how to use symbolication to display human-readable stack traces for errors from mobile applications.</td>
      <td>[Symbolication for stack traces](/docs/sdk/features/observability-symbolication)</td>
    </tr>

    <tr>
      <td>August 4, 2026</td>
      <td>Adds SQL language examples to help you understand each LaunchDarkly metric type.</td>
      <td>[Choosing a metric type](/docs/home/metrics/choose)</td>
    </tr>

    <tr>
      <td>August 4, 2026</td>
      <td>Adds documentation about exploring sample data added to new trial accounts.</td>
      <td>[Exploring sample data](/docs/home/getting-started/sample-data)</td>
    </tr>

    <tr>
      <td>August 4, 2026</td>
      <td>Publishes a migration guide for the new Node.js (client-side) SDK version.</td>
      <td>[Node.js (client-side) SDK 3.x to 4.0 migration guide](/docs/sdk/client-side/node-js/migration-3-to-4)</td>
    </tr>

    <tr>
      <td>August 3, 2026</td>
      <td>Adds information about performing clustered analysis with Snowflake native experiments by selecting metric analysis units that are different from the experiment randomization unit.</td>
      <td>[Randomization units and metric analysis units](/docs/home/experimentation/randomization#randomization-units-and-metric-analysis-units)</td>
    </tr>
  </tbody>
</table>

To review older changelog entries, read the [Changelog archive](/docs/home/changelog/archive).