KDE Neon dev unstable. The pastebomb says it all:


sudo apt install kipi-plugins
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Starting pkgProblemResolver with broken count: 1
Starting 2 pkgProblemResolver with broken count: 1
Investigating (0) libkf5kipi-data [ amd64 ] < 18.04.1+p16.04+git20180509.1334-0 > ( libs )
Broken libkf5kipi-data:amd64 Breaks on libkipi-data [ amd64 ] < none -> 4:15.08.3-0ubuntu1 > ( universe/libs )
  Considering libkipi-data:amd64 -1 as a solution to libkf5kipi-data:amd64 4
  Added libkipi-data:amd64 to the remove list
  Fixing libkf5kipi-data:amd64 via keep of libkipi-data:amd64
Investigating (0) libkipi11 [ amd64 ] < none -> 4:15.08.3-0ubuntu1 > ( universe/libs )
Broken libkipi11:amd64 Depends on libkipi-data [ amd64 ] < none -> 4:15.08.3-0ubuntu1 > ( universe/libs ) (>= 4:15.08.3-0ubuntu1)
  Considering libkipi-data:amd64 -1 as a solution to libkipi11:amd64 0
  Holding Back libkipi11:amd64 rather than change libkipi-data:amd64
Investigating (1) kipi-plugins [ amd64 ] < none -> 4:4.12.0-0ubuntu7 > ( universe/kde )
Broken kipi-plugins:amd64 Depends on libkipi11 [ amd64 ] < none -> 4:15.08.3-0ubuntu1 > ( universe/libs ) (>= 4:4.9.80)
  Considering libkipi11:amd64 0 as a solution to kipi-plugins:amd64 9999
  Re-Instated libkipi-data:amd64
  Re-Instated libkipi11:amd64
Investigating (1) libkf5kipi-data [ amd64 ] < 18.04.1+p16.04+git20180509.1334-0 > ( libs )
Broken libkf5kipi-data:amd64 Breaks on libkipi-data [ amd64 ] < none -> 4:15.08.3-0ubuntu1 > ( universe/libs )
  Considering libkipi-data:amd64 -1 as a solution to libkf5kipi-data:amd64 4
  Added libkipi-data:amd64 to the remove list
  Fixing libkf5kipi-data:amd64 via keep of libkipi-data:amd64
Investigating (1) libkipi11 [ amd64 ] < none -> 4:15.08.3-0ubuntu1 > ( universe/libs )
Broken libkipi11:amd64 Depends on libkipi-data [ amd64 ] < none -> 4:15.08.3-0ubuntu1 > ( universe/libs ) (>= 4:15.08.3-0ubuntu1)
  Considering libkipi-data:amd64 -1 as a solution to libkipi11:amd64 0
  Holding Back libkipi11:amd64 rather than change libkipi-data:amd64
Investigating (2) kipi-plugins [ amd64 ] < none -> 4:4.12.0-0ubuntu7 > ( universe/kde )
Broken kipi-plugins:amd64 Depends on libkipi11 [ amd64 ] < none -> 4:15.08.3-0ubuntu1 > ( universe/libs ) (>= 4:4.9.80)
  Considering libkipi11:amd64 0 as a solution to kipi-plugins:amd64 9999
Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 kipi-plugins : Depends: libkipi11 (>= 4:4.9.80) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.