Code view fails to load when content contains some non-ASCII characters

This incident has been resolved.

We have mitigated the issue but are working on invalidating caches in order to fix the issue for all impacted repos.

We have performed a mitigation but some repositories may still see issues. We are working on a full mitigation.

We are looking into recent code changes to mitigate the error loading some code view pages.

We are investigating reports of impacted performance for some GitHub services.