You're pointing out one of the main complaints that's led to PM use. The codebase of electrolysis-Firefox & XUL-Firefox have diverged to that degree. And some o

You're pointing out one of the main complaints that's led to PM use. The codebase of electrolysis-Firefox & XUL-Firefox have diverged to that degree. And some of us have found that single-process function and customization features are what we want, not Chrome-lite. For my part, PM loads faster and works longer without crashing my PC than any of the multiprocess browsers.