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AWS CloudFormation now supports contract tests v2 for resource types

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AWS·Sep 2, 2026, 03:23 PMFeatureAI-assisted summary

Summary

Adds contract tests v2 via the --v2 flag, enabling deeper test scenarios across all handler operations.
Introduces live‑state verification, schema backward‑compatibility checks, input linting, and HTML/JUnit XML reports for local execution.
Supports local testing for Java resource types with Docker and integrates with the test‑type API during registry submission.

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Official source Last checked Sep 20, 2026, 3:04 PM

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