If you are an old XEmacs user, you may feel happy to see this from https://www.xemacs.org/. After ten years, XEmacs released a new version 21.5. So there's still many people cares about XEmacs. The XEmacs' source repo have been moved from altassian Bitbucket to https://heptapod.net/. As Bitbucket have been dropped Mercurial support many years ago.