Should be consistently &Cancel (and &Forward etc.) now, but you're right that Escape should be made to work.
** Changed in: base-installer (Ubuntu) Sourcepackagename: base-installer => ubiquity -- Hotkey for Cancel changes during installation https://launchpad.net/bugs/75828 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs