Created attachment 109745 [details]
Dolphin using Nautilus's icon in KDE Neon
In KDE Neon (git unstable), the Dolphin package's appstream metadata specifies the icon for Nautilus (GNOME's file manager) instead of its own.
This also happens in Kubuntu, for which I have filed https://phabricator.kde.org/T7717
*** This bug has been marked as a duplicate of bug 392113 ***