Christina WarrenMar 24, 2023
FYI: #GitHub’s RSA SSH key was replaced. This won’t impact most users but if you do access GitHub via SSH using RSA, you’ll need to remove the old key from your keychain and add the new one. Details are here https://github.blog/2023-03-23-we-updated-our-rsa-ssh-host-key/
We updated our RSA SSH host key

At approximately 05:00 UTC on March 24, out of an abundance of caution, we replaced our RSA SSH host key used to secure Git operations for GitHub.com.

The GitHub Blog
Show threadRichard Hyland
@film_girl ah that explains the warning I got when trying to push earlier
Mar 24, 2023 at 2:38pmWeb