Thank you for your pull request! Please provide the following information.
Change Description:
Newer versions of fluetui don't promise compatibility for IE11, but older version of office use the IE11 web view control to render add-ins. This will set the version of fluentui react to the last one known to work with IE11. Newer versions of fluetui react have a dependent packages that doesn't transpile to compatible javascript.
Do these changes impact any npm scripts commands (in package.json)? (e.g., running 'npm run start')
No.
Do these changes impact VS Code debugging options (launch.json)?
No.
Do these changes impact template output? (e.g., add/remove file, update file location, update file contents)
No.
Thank you for your pull request! Please provide the following information.
Change Description: Newer versions of fluetui don't promise compatibility for IE11, but older version of office use the IE11 web view control to render add-ins. This will set the version of fluentui react to the last one known to work with IE11. Newer versions of fluetui react have a dependent packages that doesn't transpile to compatible javascript.
Do these changes impact any npm scripts commands (in package.json)? (e.g., running 'npm run start') No.
Do these changes impact VS Code debugging options (launch.json)? No.
Do these changes impact template output? (e.g., add/remove file, update file location, update file contents) No.
Do these changes impact documentation? (e.g., a tutorial on https://docs.microsoft.com/en-us/office/dev/add-ins/overview/office-add-ins) No.
If you answered yes to any of these please do the following:
Validation/testing performed: Ran automated tests and tried out the project on an older build of office.