I am also having the issue on 12.04. Attached is a screen recording I took where Hedgewars was used as the example. (My first attempt to drop it onto the launcher was unsuccessful for whatever reason, but that's probably a separate issue. The second try is where the bug shows itself.).
** Attachment added: "Invisible Hedgewars icon.ogv" https://bugs.launchpad.net/unity/+bug/772986/+attachment/3154526/+files/Invisible%20Hedgewars%20icon.ogv ** Tags added: precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/772986 Title: Unity launcher single missing/invisible/blank icon To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/772986/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs