Tested this diff in up-to-date KDE NeonLogin in with a new user account or rm `~/.local/share/user-places.xbel`. By default, a recentdocuments:/ places item appears in the Places view in bothYou'll see the new {nav Recently Used} place in Dolphin and allthe file pickers::
{F6283669}
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{F3883444}Existing user accounts are untouched.
{F3883445}Thanks to D14893, the contents are actually useful.