{"id":"appsync-js-runtime-preferred-over-vtl","text":"AWS recommends the APPSYNC_JS (JavaScript) runtime over VTL for new AppSync resolver development; VTL is considered legacy.","truth_value":"IN","source":"entries/2026/03/11/appsync-latest-devguide-resolver-mapping-template-referencehtml.md","source_url":"","source_hash":"a0c6e18fe396729f","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"appsync-js-runtime-preferred-over-vtl","truth_value":"IN","reason":"premise"}]}}