AWS appconfig documentation change
Summary
Added documentation for AppConfig experimentation feature with safety rollback capabilities
Security assessment
Documents new experimentation safety features (automatic rollback on threshold breaches). Enhances operational safety but doesn't address a specific vulnerability.
Diff
diff --git a/appconfig/latest/userguide/doc-history.md b/appconfig/latest/userguide/doc-history.md index 650abe416..392f557e0 100644 --- a//appconfig/latest/userguide/doc-history.md +++ b//appconfig/latest/userguide/doc-history.md @@ -15,2 +15,9 @@ Change| Description| Date -Entity-based targeting| AWS AppConfig Agent (version 2.0.136060 or later) supports deploying feature flag or free-form configuration data to specific segments or individual users during a gradual rollout. Entity-based gradual deployments ensure that once a user or segment receives a configuration version, they continue to receive that same version throughout the deployment period, regardless of which compute resource serves their requests. For more information, see [Using AWS AppConfig Agent for user- or entity-based gradual deployments](https://docs.aws.amazon.com/appconfig/latest/userguide/appconfig-agent-how-to-use.html#appconfig-entity-based-gradual-deployments).| March 26, 2026 -New version of AWS AppConfig Agent Lambda extension| The agent has been updated with minor enhancements and bug fixes. To view the new Amazon Resource Names (ARNs) for the extension, see [Available versions of the AWS AppConfig Agent Lambda extension](https://docs.aws.amazon.com/appconfig/latest/userguide/appconfig-integration-lambda-extensions-versions.html).| March 25, 2026 +Launch of AWS AppConfig experimentation| Application experimentation is the systematic process of testing hypotheses on software applications using A/B testing, feature flags, and analytics to measure user behavior, optimize performance, and drive data-driven product decisions. Experimentation enables teams to validate changes, such as new features or UI changes, before a full rollout, thereby reducing risk and improving engagement.Built with the expertise of more than 20 years of software experimentation on Amazon.com, AWS AppConfig experimentation integrates seamlessly with your existing AWS AppConfig workflows, providing a comprehensive solution for feature management and experimentation in cloud-native applications. AWS AppConfig experimentation offers the following features: + + * Support for multiple feature and test types – A/B tests, multivariate tests, and gradual feature rollouts. + * Easy experiment setup and management through the AWS Management Console. + * Powerful and flexible segmentation options for experiment participants. + * Data independence – use your existing data warehouses and analytics tools for experiments or use an AWS-native service like [Amazon CloudWatch RUM](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-RUM.html). + +Additionally, AWS AppConfig experimentation includes automatic rollback capabilities that can revert to a safe configuration if predefined thresholds are exceeded. For example, you can monitor key metrics like page load, conversion rate, or page errors during an experiment. If a threshold is breached, the experiment will be stopped. You can set these safety monitoring capabilities using Amazon CloudWatch, Datadog, New Relic, Dynatrace, and more. For more information, see [AWS AppConfig experimentation](https://docs.aws.amazon.com/appconfig/latest/userguide/appconfig-experimentation.html).| June 12, 2026 +Entity-based targeting| AWS AppConfig Agent (version 2.0.136060 or later) supports deploying feature flag or free-form configuration data to specific segments or individual users during a gradual rollout. Entity-based gradual deployments ensure that once a user or segment receives a configuration version, they continue to receive that same version throughout the deployment period, regardless of which compute resource serves their requests. For more information, see [Using AWS AppConfig Agent for user- or entity-based gradual deployments](https://docs.aws.amazon.com/appconfig/latest/userguide/appconfig-entity-based-gradual-deployments.html).| March 26, 2026