We had a similar report about high CPU usage that turned out to be a troublesome extension rather than LibreOffice itself:
https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1825513 Do you perhaps have any additional extensions installed that could be causing this? If so, please disable them and let us know if the problem goes away. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1724876 Title: libreoffice soffice.bin using 100% cpu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1724876/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs