Thanks for reporting.
plasma-desktop 4:5.10.5-0ubuntu1 is available in Ubuntu 17.10. (... and bionic currently sports 4:5.11.4-0ubuntu1)
Thanks for reporting.
plasma-desktop 4:5.10.5-0ubuntu1 is available in Ubuntu 17.10. (... and bionic currently sports 4:5.11.4-0ubuntu1)