Note that this likely not specific to libreoffice. The application just happens to enforce a minimum window width that appears to be larger than the width of your screen when in portrait orientation. That would affects similarly other applications that enforce a minimum width for their windows.
Do you mean fullscreen, or maximized window?
Note that this likely not specific to libreoffice. The application just happens to enforce a minimum window width that appears to be larger than the width of your screen when in portrait orientation. That would affects similarly other applications that enforce a minimum width for their windows.
Regardless, would you mind filing an upstream bug report at https:/ /bugs.documentf oundation. org/enter_ bug.cgi? product= LibreOffice& format= guided, to get upstream's take on the problem? Please share the link to that bug report here. Thanks!