A cursory search through bugs fixed in libreoffice 6.1 didn't raise anything similar. It could be that this was fixed as a side effect of another bugfix.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libreoffice in Ubuntu. https://bugs.launchpad.net/bugs/1779453 Title: page border rendering issue Status in libreoffice package in Ubuntu: Confirmed Bug description: bottom left corner is "emtpy" instead of black To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1779453/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

