Yeah, I'm aware something like that has been a feature. But this was just printing from Chrome and using the macOS built-in Save to PDF in the printer dialog.

Yeah, I'm aware something like that has been a feature. But this was just printing from Chrome and using the macOS built-in Save to PDF in the printer dialog. This was a straight-up bug which I filed with Chromium but there was nothing they could do because it was a bug in macOS. It did finally get fixed after a couple of years by Apple.