$ sudo zypper dup
Loading repository data...
Reading installed packages...
Warning: You are about to do a distribution upgrade with all enabled
repositories. Make sure these repositories are compatible before you continue.
See 'man zypper' for more information about this command.
Computing distribution upgrade...

Problem: calibre-3.44.0-1.1.x86_64 requires
libQt5Core.so.5(Qt_5.12.3_PRIVATE_API)(64bit), but this requirement cannot be
provided
  deleted providers: libQt5Core5-5.12.3-2.1.x86_64
 Solution 1: Following actions will be done:
  keep obsolete libQt5Core5-5.12.3-2.1.x86_64
  keep obsolete libQt5Gui5-5.12.3-2.1.x86_64
  keep obsolete libQt5DBus5-5.12.3-2.1.x86_64
 Solution 2: deinstallation of calibre-3.44.0-1.1.x86_64
 Solution 3: break calibre-3.44.0-1.1.x86_64 by ignoring some of its
dependencies

Choose from above solutions by number or cancel [1/2/3/c/d/?] (c):