May 11, 18:14 UTC
Monitoring - We've implemented a fix and we're seeing README files render again. We're monitoring the fix.

May 11, 17:43 UTC
Investigating - We're investigating an issue with the infrastructure that generates and distributes README.md files to our website.
New publishes may see issues with their README file appearing at www.npmjs.com.
Our engineers are already working on a fix.