Why have my "recent documents" suddenly stopped working?

I am using LibreOffice on Xubuntu 14.04. Out of the blue, it would appear, no documents that I open and/or edit are appearing in the “recent documents field”, in any component of LibreOffice. This does not appear to have been caused by installation, as I installed a new version recently, and Recent Documents worked fine for some time after that.

I am not yet using 4.4.0 but I would:

Resetting my profile worked; thank you.