1) Closed LibreOffice
2) moved ~/.config/libreoffice/3/user/registrymodifications.xcu to ~/.config/libreoffice/3/user/registrymodifications.xcu.bak
3) Started LibreOffice again (Calc)
4) Opened a file, modified and saved it
5) Recent documents was updated.
LibreOffice 3.5.2.2, Kubuntu 11.10,
Workaround this way:
1) Closed LibreOffice libreoffice/ 3/user/ registrymodific ations. xcu to ~/.config/ libreoffice/ 3/user/ registrymodific ations. xcu.bak
2) moved ~/.config/
3) Started LibreOffice again (Calc)
4) Opened a file, modified and saved it
5) Recent documents was updated.