I have this problem in Mint 19.1 with xfce4-panel 4.12.2 (Xfce 4.12), based on Ubuntu 18.04. The CPU high load started when switching themes. Changing theme back solved it.
I have this problem in Mint 19.1 with xfce4-panel 4.12.2 (Xfce 4.12), based on Ubuntu 18.04. The CPU high load started when switching themes. Changing theme back solved it.