It's a useful tool (and huge thanks to those who built it -- and SlimerJS for that matter) but whenever I've reached for there's always been some issue to resol

It's a useful tool (and huge thanks to those who built it -- and SlimerJS for that matter) but whenever I've reached for there's always been some issue to resolve, generally relating to the exact version and/or set of APIs supported. Headless mode (with PDF support -- which it looks like the latest version of the Chromium remote protocol does indeed have) built into a mainstream browsers is nearly guaranteed to be a smoother experience.