Fixes - Redo AWS::CloudFormation::Init validation (pull [2583](https://github.com/aws-cloudformation/cfn-lint/pull/2583)) - Redo runner logic and keep backwards compatibility of the API (pull [2583](https://github.com/aws-cloudformation/cfn-lint/pull/2583))
1.2.1a1
Fixes - Fix `FnGetAtt` to better validate GetAtt types against JSON Schemas (pull [2583](https://github.com/aws-cloudformation/cfn-lint/pull/2583))
1.2.0a1
Features - Convert Outputs, Parameters, and Mappings validationg to JSON Schema rules (pull [2583](https://github.com/aws-cloudformation/cfn-lint/pull/2583)) CloudFormation Specifications - Update CloudFormation schemas from 2023/11/13 (pull [2583](https://github.com/aws-cloudformation/cfn-lint/pull/2583))
1.1.0a2
CloudFormation Specifications - Update CloudFormation schemas from 2023/06/21 (pull [2774](https://github.com/aws-cloudformation/cfn-lint/pull/2774)) Fixes - Move required field for lambda eventsource mappings (pull [2775](https://github.com/aws-cloudformation/cfn-lint/pull/2775))
1.1.0a1
Fixes - Internalize json schema work and customize for CloudFormation purposes (pull [2730](https://github.com/aws-cloudformation/cfn-lint/issues/2730)) - Fix an issue where disabled rules will result in an error (pull [2739](https://github.com/aws-cloudformation/cfn-lint/issues/2739)) - Fix an issue where GetAtts of arrays are dropped (pull [2740](https://github.com/aws-cloudformation/cfn-lint/issues/2740)) - Switch to pyproject.toml and pre-commit for lint (pull [2749](https://github.com/aws-cloudformation/cfn-lint/issues/2749)) - Move `cfnSchema` into patching as needed (pull [2752](https://github.com/aws-cloudformation/cfn-lint/issues/2752)) - Rework how we handle CloudFormation functions (pull [2760](https://github.com/aws-cloudformation/cfn-lint/issues/2760))
1.0.0.rc2
Fixes - Rewrite JSON schema validators to better handle CloudFormation functions (pull [2730](https://github.com/aws-cloudformation/cfn-lint/issues/2730)) - Fix an issue when the resource type isn't available for an output (pull [2730](https://github.com/aws-cloudformation/cfn-lint/issues/2730)) - Update JSON schema for resource configuration to handle Language Extensions for `DeletionPolicy` (pull [2730](https://github.com/aws-cloudformation/cfn-lint/issues/2730)) - Update condition logic to include resource level conditions (pull [2737](https://github.com/aws-cloudformation/cfn-lint/issues/2737))