ni le changement de police ni le changement de thème n'ont changé quoi que ce soit.
mes règlages sont comme les tiens, j'ai même essayé openGL rien n'y fait
pour le retour :
olivier@Dedell:~$ dpkg -l | grep libreoffice
ii libreoffice 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite (metapackage)
ii libreoffice-avmedia-backend-gstreamer 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 GStreamer backend for LibreOffice
ii libreoffice-base 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite -- database
ii libreoffice-base-core 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite -- shared library
ii libreoffice-base-drivers 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 Database connectivity drivers for LibreOffice
ii libreoffice-calc 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite -- spreadsheet
ii libreoffice-common 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 all office productivity suite -- arch-independent files
ii libreoffice-core 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite -- arch-dependent files
ii libreoffice-draw 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite -- drawing
ii libreoffice-gnome 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite -- GNOME integration
ii libreoffice-gtk 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 all transitional package for LibreOffice gtk2 backend
ii libreoffice-gtk2 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite -- GTK+ 2 integration
ii libreoffice-help-fr 1:6.0.1~rc1-0ubuntu0.16.04.1~lo0.2 all office productivity suite -- French help
ii libreoffice-impress 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite -- presentation
ii libreoffice-java-common 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 all office productivity suite -- arch-independent Java support files
ii libreoffice-l10n-fr 1:6.0.1~rc1-0ubuntu0.16.04.1~lo0.2 all office productivity suite -- French language package
ii libreoffice-librelogo 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 all Logo-like progamming language for LibreOffice
ii libreoffice-math 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite -- equation editor
ii libreoffice-nlpsolver 0.9+LibO6.0.1~rc1-0ubuntu0.16.04.1~lo1 all "Solver for Nonlinear Programming" extension for LibreOffice
ii libreoffice-ogltrans 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 LibreOffice Impress extension for slide transitions using OpenGL
ii libreoffice-report-builder 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 all LibreOffice component for building database reports
ii libreoffice-report-builder-bin 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 LibreOffice component for building database reports -- libraries
ii libreoffice-script-provider-bsh 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 all BeanShell script support provider for LibreOffice scripting framework
ii libreoffice-script-provider-js 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 all JavaScript script support provider for LibreOffice scripting framework
ii libreoffice-script-provider-python 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 all Python script support provider for LibreOffice scripting framework
ii libreoffice-sdbc-hsqldb 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 HSQLDB SDBC driver for LibreOffice
ii libreoffice-sdbc-postgresql 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 PostgreSQL SDBC driver for LibreOffice
ii libreoffice-style-galaxy 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 all office productivity suite -- Galaxy (Default) symbol style
ii libreoffice-style-tango 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 all office productivity suite -- Tango symbol style
ii libreoffice-wiki-publisher 1.2.0+LibO6.0.1~rc1-0ubuntu0.16.04.1~lo1 all LibreOffice extension for working with MediaWiki articles
ii libreoffice-writer 1:6.0.1~rc1-0ubuntu0.16.04.1~lo1 amd64 office productivity suite -- word processor
