My KDE (both 5 and 6, just checked) also uses Meta+L, by default. On my KDE 5 Ctrl+Alt+L appears as custom but I don't remember adding it, maybe they inverted the two.
Maybe it's the other way around then, it's muscle memory at this point. I know GNOME and KDE are opposites.
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Exceptions may be made at the discretion of the mods.
My KDE (both 5 and 6, just checked) also uses Meta+L, by default. On my KDE 5 Ctrl+Alt+L appears as custom but I don't remember adding it, maybe they inverted the two.
Maybe it's the other way around then, it's muscle memory at this point. I know GNOME and KDE are opposites.