SUMMARY The system failed to update due to a new dependency that got automatically installed but cannot be configured due to conflicts. This is because of the `ktnef` package (from ubuntu) that depends on libkf5calendarcore5abi2 which conflicts with the new neon package libkf5calendarcore5 due to shared files Reading package lists... Done Building dependency tree... Done Reading state information... Done Correcting dependencies... Done The following additional packages will be installed: libkf5calendarcore5 The following packages will be REMOVED: libkpimgapi5-data The following NEW packages will be installed: libkf5calendarcore5 0 upgraded, 1 newly installed, 1 to remove and 1 not upgraded. 141 not fully installed or removed. Need to get 0 B/253 kB of archives. After this operation, 840 kB of additional disk space will be used. Do you want to continue? [Y/n] y (Reading database ... 596633 files and directories currently installed.) Removing libkpimgapi5-data (23.08.5-0zneon+24.04+noble+release+build20) ... (Reading database ... 596630 files and directories currently installed.) Preparing to unpack .../libkf5calendarcore5_5%3a5.116.0-xzneon+24.04+noble+release+build3_amd64.deb ... Unpacking libkf5calendarcore5:amd64 (5:5.116.0-xzneon+24.04+noble+release+build3) ... dpkg: error processing archive /var/cache/apt/archives/libkf5calendarcore5_5%3a5.116.0-xzneon+24.04+noble+release+build3_amd64.deb (--unpack): trying to overwrite '/usr/share/qlogging-categories5/kcalendarcore.categories', which is also in package libkf5calendarcore5abi2:amd64 5:5.115.0-0ubuntu3 Errors were encountered while processing: /var/cache/apt/archives/libkf5calendarcore5_5%3a5.116.0-xzneon+24.04+noble+release+build3_amd64.deb STEPS TO REPRODUCE 1. update system OBSERVED RESULT Update errors with the above EXPECTED RESULT Update does not error SOFTWARE/OS VERSIONS Linux/KDE Plasma: KDE neon 6.2 KDE Plasma Version: 6.2.3 KDE Frameworks Version: 6.8.0 Qt Version: 6.8.0 ADDITIONAL INFORMATION libkf5calendarcore5 is from neon repos and libkf5calendarcore5abi2 is from the ubuntu repos.
https://invent.kde.org/neon/kde/kcalendarcore/-/commit/168044ba805f5ba0e8f5e46022d2cb1bbe48868e https://invent.kde.org/neon/kde/kcalendarcore/-/commit/ee5cadf910edb23008e0d8140f0d4ebcd2b39ceb these fix the issue in release. will snapshot to user very soon
I tested in a /user Docker installing ktnef then switched to /testing and installed kontact and it failed Preparing to unpack .../097-kmail_4%3a24.08.3-0zneon+24.04+noble+release+build11_amd64.deb ... Unpacking kmail (4:24.08.3-0zneon+24.04+noble+release+build11) ... dpkg: error processing archive /tmp/apt-dpkg-install-N7dsOF/097-kmail_4%3a24.08.3-0zneon+24.04+noble+release+build11_amd64.deb (--unpack): trying to overwrite '/usr/bin/ktnef', which is also in package ktnef 4:23.08.5-0ubuntu5.1 Fixing now...
https://invent.kde.org/neon/kde/kmail/-/commit/7eeb616dde5de5d524b9c3cfa1b94eb10b956beb