I don't know what's causing this but wtf:
$ sudo dnf install kf5-kmime-devel 10:43:04 Last metadata expiration check: 0:30:24 ago on Fri Mar 3 10:12:49 2017. Dependencies resolved. ================================================================================================================================================================================= Package Arch Version Repository Size ================================================================================================================================================================================= Installing: kf5-karchive-devel x86_64 5.31.0-1.fc25 updates 28 k kf5-kcrash-devel x86_64 5.31.0-1.fc25 updates 17 k kf5-kdbusaddons-devel x86_64 5.31.0-1.fc25 updates 22 k kf5-kdelibs4support-devel x86_64 5.31.0-1.fc25 updates 479 k kf5-kdesignerplugin x86_64 5.31.0-1.fc25 updates 167 k kf5-kdoctools-devel x86_64 5.31.0-1.fc25 updates 29 k kf5-kemoticons-devel x86_64 5.31.0-1.fc25 updates 20 k kf5-kguiaddons-devel x86_64 5.31.0-1.fc25 updates 28 k kf5-ki18n-devel x86_64 5.31.0-1.fc25 updates 37 k kf5-kiconthemes-devel x86_64 5.31.0-1.fc25 updates 28 k kf5-kinit-devel x86_64 5.31.0-1.fc25 updates 15 k kf5-kitemmodels-devel x86_64 5.31.0-1.fc25 updates 28 k kf5-kmime-devel x86_64 16.12.2-1.fc25 updates 37 k kf5-knotifications-devel x86_64 5.31.0-1.fc25 updates 33 k kf5-kparts-devel x86_64 5.31.0-1.fc25 updates 57 k kf5-kplotting x86_64 5.31.0-1.fc25 updates 46 k kf5-ktextwidgets-devel x86_64 5.31.0-1.fc25 updates 33 k kf5-kunitconversion-devel x86_64 5.31.0-1.fc25 updates 21 k kf5-kwindowsystem-devel x86_64 5.31.0-1.fc25 updates 56 k kf5-sonnet x86_64 5.31.0-1.fc25 updates 22 k kf5-sonnet-devel x86_64 5.31.0-1.fc25 updates 27 k perl-Any-URI-Escape noarch 0.01-10.fc25 fedora 12 k Upgrading: kf5-filesystem x86_64 5.31.0-1.fc25 updates 15 k kf5-karchive x86_64 5.31.0-1.fc25 updates 104 k kf5-kauth x86_64 5.31.0-1.fc25 updates 123 k kf5-kauth-devel x86_64 5.31.0-1.fc25 updates 33 k kf5-kbookmarks x86_64 5.31.0-1.fc25 updates 160 k kf5-kbookmarks-devel x86_64 5.31.0-1.fc25 updates 30 k kf5-kcodecs x86_64 5.31.0-1.fc25 updates 161 k kf5-kcodecs-devel x86_64 5.31.0-1.fc25 updates 27 k kf5-kcompletion x86_64 5.31.0-1.fc25 updates 115 k kf5-kcompletion-devel x86_64 5.31.0-1.fc25 updates 39 k kf5-kconfig x86_64 5.31.0-1.fc25 updates 26 k kf5-kconfig-core x86_64 5.31.0-1.fc25 updates 273 k kf5-kconfig-devel x86_64 5.31.0-1.fc25 updates 50 k kf5-kconfig-gui x86_64 5.31.0-1.fc25 updates 48 k kf5-kconfigwidgets x86_64 5.31.0-1.fc25 updates 376 k kf5-kconfigwidgets-devel x86_64 5.31.0-1.fc25 updates 45 k kf5-kcoreaddons x86_64 5.31.0-1.fc25 updates 351 k kf5-kcoreaddons-devel x86_64 5.31.0-1.fc25 updates 79 k kf5-kcrash x86_64 5.31.0-1.fc25 updates 33 k kf5-kdbusaddons x86_64 5.31.0-1.fc25 updates 67 k kf5-kded x86_64 5.31.0-1.fc25 updates 77 k kf5-kdelibs4support x86_64 5.31.0-1.fc25 updates 2.2 M kf5-kdelibs4support-libs x86_64 5.31.0-1.fc25 updates 813 k kf5-kdoctools x86_64 5.31.0-1.fc25 updates 591 k kf5-kemoticons x86_64 5.31.0-1.fc25 updates 1.8 M kf5-kguiaddons x86_64 5.31.0-1.fc25 updates 59 k kf5-ki18n x86_64 5.31.0-1.fc25 updates 2.8 M kf5-kiconthemes x86_64 5.31.0-1.fc25 updates 147 k kf5-kinit x86_64 5.31.0-1.fc25 updates 168 k kf5-kio x86_64 5.31.0-1.fc25 updates 22 k kf5-kio-core x86_64 5.31.0-1.fc25 updates 586 k kf5-kio-core-libs x86_64 5.31.0-1.fc25 updates 482 k kf5-kio-devel x86_64 5.31.0-1.fc25 updates 223 k kf5-kio-doc noarch 5.31.0-1.fc25 updates 2.5 M kf5-kio-file-widgets x86_64 5.31.0-1.fc25 updates 257 k kf5-kio-gui x86_64 5.31.0-1.fc25 updates 27 k kf5-kio-ntlm x86_64 5.31.0-1.fc25 updates 23 k kf5-kio-widgets x86_64 5.31.0-1.fc25 updates 261 k kf5-kio-widgets-libs x86_64 5.31.0-1.fc25 updates 384 k kf5-kitemmodels x86_64 5.31.0-1.fc25 updates 107 k kf5-kitemviews x86_64 5.31.0-1.fc25 updates 116 k kf5-kitemviews-devel x86_64 5.31.0-1.fc25 updates 29 k kf5-kjobwidgets x86_64 5.31.0-1.fc25 updates 105 k kf5-kjobwidgets-devel x86_64 5.31.0-1.fc25 updates 21 k kf5-kmime x86_64 16.12.2-1.fc25 updates 133 k kf5-knotifications x86_64 5.31.0-1.fc25 updates 144 k kf5-kparts x86_64 5.31.0-1.fc25 updates 207 k kf5-kservice x86_64 5.31.0-1.fc25 updates 343 k kf5-kservice-devel x86_64 5.31.0-1.fc25 updates 45 k kf5-ktextwidgets x86_64 5.31.0-1.fc25 updates 297 k kf5-kunitconversion x86_64 5.31.0-1.fc25 updates 948 k kf5-kwidgetsaddons x86_64 5.31.0-1.fc25 updates 1.4 M kf5-kwidgetsaddons-devel x86_64 5.31.0-1.fc25 updates 105 k kf5-kwindowsystem x86_64 5.31.0-1.fc25 updates 180 k kf5-kxmlgui x86_64 5.31.0-1.fc25 updates 779 k kf5-kxmlgui-devel x86_64 5.31.0-1.fc25 updates 56 k kf5-solid x86_64 5.31.0-1.fc25 updates 41 k kf5-solid-devel x86_64 5.31.0-1.fc25 updates 34 k kf5-solid-libs x86_64 5.31.0-1.fc25 updates 358 k kf5-sonnet-core x86_64 5.31.0-1.fc25 updates 157 k kf5-sonnet-ui x86_64 5.31.0-1.fc25 updates 146 k Transaction Summary ================================================================================================================================================================================= Install 22 Packages Upgrade 61 Packages