the issue is with the notification service used by lubuntu, unsure what component that is but it's not libnotify that does render those dialogs
** Package changed: libnotify (Ubuntu) => lxde-settings-daemon (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to libnotify in Ubuntu. https://bugs.launchpad.net/bugs/1810607 Title: Text doesn't fit into native notification buttons Status in lxde-settings-daemon package in Ubuntu: New Bug description: To reproduce on Lubuntu 18.10: 1) Login into gmail in Chrome stable. 2) Install "Checker Plus for Gmail" extension (requires no password or permissions of your gmail account). 3) Receive some email that triggers notification. 4) See notification actions text doesn't fit into buttons (see screenshot). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxde-settings-daemon/+bug/1810607/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp