Created attachment 124250 [details] displays the area mentioned in the bug description Dead links for KDiskFree and KDE Partition Manager in Dolphin Upon using the Plasma desktop on KDE Neon 5.17.3, the links for KDiskFree and KDE Partition Manager which show up after clicking Dolphin's bottom right area (the one which displays free disk space) are outdated.
Already fixed in the upcoming Frameworks 5.66 by https://cgit.kde.org/knewstuff.git/commit/?id=cdafed6b395fcdd3bced8a4b0273b8d5f0280291.