Describe the bug
After migrating a solution from VS 2022 to 2026, colorization and error highlighting no longer work in the CloudFormation template editor, and formatting commands are no longer available from the template context menu in Project Explorer.
To Reproduce
In VS 2026, create a new CloudFormation project with a template.
Expected behavior
JSON is colorized with keys in blue. Errors are colorized red with squiggly underlines. Right-click template in project explorer shows formatting commands.
Screenshots
Development System (please complete the following information):
- Windows Version: 10
- Visual Studio Version: 2026
- AWS Toolkit for Visual Studio Version: 1.84.0.0
Describe the bug
After migrating a solution from VS 2022 to 2026, colorization and error highlighting no longer work in the CloudFormation template editor, and formatting commands are no longer available from the template context menu in Project Explorer.
To Reproduce
In VS 2026, create a new CloudFormation project with a template.
Expected behavior
JSON is colorized with keys in blue. Errors are colorized red with squiggly underlines. Right-click template in project explorer shows formatting commands.
Screenshots
Development System (please complete the following information):