"the apparent author of the backdoor was in communication with me over several weeks trying to get xz 5.6.x added to Fedora 40 & 41 because of it's "great new features""
"Fascinating. Just yesterday the author added a `SECURITY.md` file to the `xz-java` project.
> If you discover a security vulnerability in this project please report it privately. *Do not disclose it as a public issue.* This gives us time to work with you to fix the issue before public exposure, reducing the chance that the exploit will be used before a patch is released."