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AWS bedrock-agentcore documentation change

Service: bedrock-agentcore · 2026-06-19 · Documentation low

File: bedrock-agentcore/latest/devguide/ab-testing-prereqs.md

Summary

Added clarification note about automatic role creation during A/B tests when not specifying a custom role ARN.

Security assessment

The change clarifies role management behavior but doesn't address security vulnerabilities or introduce new security features. It's a documentation improvement about operational workflow.

Diff

diff --git a/bedrock-agentcore/latest/devguide/ab-testing-prereqs.md b/bedrock-agentcore/latest/devguide/ab-testing-prereqs.md
index cd221eabb..715701c29 100644
--- a//bedrock-agentcore/latest/devguide/ab-testing-prereqs.md
+++ b//bedrock-agentcore/latest/devguide/ab-testing-prereqs.md
@@ -45,0 +46,4 @@ The A/B test execution role must trust the `bedrock-agentcore.amazonaws.com` ser
+###### Note
+
+You only need to create this role manually if you bring your own execution role and pass it with `agentcore run ab-test --role-arn <arn>`. If you omit `--role-arn`, the AgentCore CLI auto-creates an execution role for the test.
+