Anyone using Vivaldi browser?

The people on this forum seem to be more tech savvy and use the web for more than just reading emails and following social media feeds, so I thought I'd recommend a tool that has helped me a lot in the past few years.
It's a browser called Vivaldi and it's the most feature rich and customizable browser I've ever used.
Few of the features that I use a lot:

• Tab grouping, tiling and most other tab management features
  
• Ad blocker
• Web panels (I've put most of my messaging apps...

Anyone using Vivaldi browser?