
The most recent stable version of Xen Tools is 4.2.1 and you can download it via the following link:
GPG signatures of releases after 4.1 may be validated using Axel's public key.
Binary packages of xen-tools are also included in the Debian GNU/Linux Project.
These releases are just listed for historic reasons:
GPG signatures of releases until 4.1 may be validated using Steve's public key.
The release which you can download above contains a full changelog which is automatically generated from the git repository.