nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq86d4wcdurerdxtd68xyw3a0uukc5k6jngtgazxszcejy5et8lpeq60e2zv (nprofile…e2zv) I'm telling you, you're wrong :D
Although I use Solus, I could never get printing directly from Vivaldi to work. I had to open PDFs either in Okular or Firefox.