Xscreensaver is issuing a warning on startup: "This version of XScreenSaver is very old! Please upgrade." Current version is 5.44. Latest release is 6.02.
*** This bug has been marked as a duplicate of bug 254178 ***
Very weird. First time I searched bugzilla for "xscreensaver", only closed PRs turned up. Just tried again and now I see 254178.