R Markdown (.Rmd) files not working properly in Cursor 1.0

[aleeze2013]

Describe the Bug

• Issue: Unable to run/edit R Markdown files normally while .R files work fine
• Environment:
  • Cursor Version: 1.0
  • OS: macOS Sequoia 15.5
  • R Version: 4.5.0
  • Architecture: Apple Silicon (ARM64)

Steps to Reproduce

1. Open an .Rmd file in Cursor
2. No run button appears for code chunks
3. Basic R Markdown functionality not working

Expected Behavior

• Code chunks should be runnable
• R Markdown preview should be available
• Similar functionality as in VSCode R extension

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

• Cursor Version: 1.0
• OS: macOS Sequoia 15.5
• R Version: 4.5.0
• Architecture: Apple Silicon (ARM64)

Additional Information

• Regular .R files work normally
• Same .Rmd files work correctly in VSCode and RStudio
• Using latest R 4.5.0 on Apple Silicon Mac

Does this stop you from using Cursor

No - Cursor works, but with this issue