If user right-clicks on a key and then clicks "Refresh key from server" then key will be displayed twice in the list after updating it from server. Refreshing the list removes the duplicate.
I see this, too. Weird.
Git commit 2fe1b683cec044f96cf973ea2feace70aeb7e6f5 by Rolf Eike Beer. Committed on 29/04/2012 at 23:52. Pushed by dakon into branch 'KDE/4.8'. prevent that a key shows up twice after reloading it from keyserver FIXED-IN:4.8.4 M +14 -0 core/KGpgKeyNode.cpp M +8 -0 core/KGpgKeyNode.h M +1 -1 core/KGpgRootNode.cpp M +13 -4 model/kgpgitemmodel.cpp http://commits.kde.org/kgpg/2fe1b683cec044f96cf973ea2feace70aeb7e6f5
*** Bug 306533 has been marked as a duplicate of this bug. ***