As of release 5.05, this has been fixed. https://www.jwz.org/xscreensaver/changelog.html
The Debian bug linked above isn't about this specific bug but that the message isn't obvious enough. It isn't displayed with big flashing red letters but it's there. This text appears in the message box if you fail to enter correct password with Caps Lock on: "Authentication failed (Caps Lock?)" ** Changed in: xscreensaver (Ubuntu) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xscreensaver in Ubuntu. https://bugs.launchpad.net/bugs/23684 Title: xscreensaver should show when capslock is on Status in xscreensaver package in Ubuntu: Fix Released Status in xscreensaver package in Debian: New Bug description: Xscreensaver should let the user know when capslock is on so that users don't keep wondering why it won't take their password. LATEST VERSION TESTED: 5.04-4ubuntu1 from Hardy Heron To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xscreensaver/+bug/23684/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp