Features
- Move null checks from the parsing engine into rules (pull #2242)
- Add rule E4002 to validate metadata config (pull #2242)
- Update rule E2001 to error on null values (pull #2242)
- Update rule E3012 to validate for null values in properties (pull #2242)
CloudFormation Specifications
- Update CloudFormation specs to
69.0.0(pull #2261)