On Tuesday 26 Mar 2013 13:50:13 Mike Cloaked wrote: > So does any expert know whether a mysql_upgrade is necessary for KDE and if > so how does one go about doing that upgrade? I also use KDE. I went ahead with the switch. I stopped akonadi first, though: # akonadictl stop <install mariadb> # akonadictl start And all seemed to go well. I haven't done anything special for KDE when upgrading mysql before, so I don't think anything is required now. I haven't noticed any issues. Paul