- CloudFormation now performs automatic pre‑deployment validation on CreateStack and UpdateStack operations, catching errors before resources are provisioned
- Adds three new warning checks (service quota limits, Config Recorder conflicts, ECR delete‑readiness) and surfaces validation results in CDK and via the DescribeEvents API
- Validation can be skipped per operation using the new DisableValidation parameter or --disable-validation CLI flag
AWS CloudFormation and CDK accelerate development feedback loops with pre-deployment validation on all stack operations
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