The .zsync files you downloaded were generated using an older version of zsync which did not support this feature. Current versions do support it, and newer .zsync files for Ubuntu ISOs contain the mtime.
** Changed in: zsync (Ubuntu) Status: New => Fix Released -- zsync doesn't prevent timestamp of downloaded file https://bugs.launchpad.net/bugs/538710 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs