popsquares screensaver missing/not found - accidentally removed from xscreensaver-data prior to 5.10-3ubuntu4?

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This is actually part of the xscreensaver-data-extra package.

Interesting. I was able to locate the executable for it in /usr/lib/xscreensaver, but it does not appear as an option when trying to select it using the GNOME application at System -> Preferences -> Screensaver.

Is it possible that this is because there is apparently no popsquares.desktop file to be found in /usr/share/applications/screensavers? I ask because other screensavers on the list seem to have a corresponding .desktop file in this location, which is missing for popsquares.

FactTech, yes, this is because of the missing .desktop file. It could not be shipped in xscreensaver since it would conflict with the one from gnome-screensaver. This is of course not necessary now that it has been removed from gnome-screensaver in Ubuntu.

And yes, I would consider it a bug that it was /removed/ from gnome-screensaver because "it was already in xscreensaver". As far as I remember they were two different saver hacks, although similar, and it was only the name that was clashing. The correct fix would be to have the gnome-screensaver one renamed to for instance "gnome-squares", so that both can be shipped if desired.

In my opinion these things should be sorted out u

FactTech, yes, this is because of the missing .desktop file. It could not be shipped in xscreensaver since it would conflict with the one from gnome-screensaver. This is of course not necessary in Ubuntu now that it has been removed from gnome-screensaver. The correct solution would be to reenable it in xscreensaver-data-extra.

To add it manually, just make a desktop file in /usr/share/applications/screensavers by copying and editing one of the existing ones.

Please discard my first response which my touchpad willingly sent away, that was before I actually checked the old gnome popsquares and realized it was pretty much the same as the xscreensaver one, only the colours are different.