AWS IDE Extensions: cloudformation

This is an unsupported preview build of the feature/cloudformation branch of AWS IDE Extensions for VSCode.

Install

1. Download the vsix file(s) from "Assets" below.
   • Amazon Q 1.105.0 is provided by amazon-q-vscode….vsix
   • AWS Toolkit 3.85.0 is provided by aws-toolkit-vscode….vsix
2. Run Extensions: Install from VSIX... from the VSCode command palette and choose the vsix file(s).

Changes

AWS Toolkit - 3.85.0-SNAPSHOT 2025-11-18

• Feature CloudFormation: Add comprehensive Language Server Protocol integration with stack management, deployment workflows, drift detection, and cfn-init project support

Amazon Q - 1.105.0-SNAPSHOT 2025-11-18

• Miscellaneous non-user-facing changes

Previous changes

• AWS Toolkit changelog
• Amazon Q changelog