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Firefox Finally Confirms 'Largest Change Ever' Featuring Electrolysis In v48 (zdnet.com)
Firefox is finally getting multi-process support. Mozilla has announced that Electrolysis (e10s) will be available to users starting Firefox 48. The foundation finds it the most significant Firefox change since the browser's inception. From a ZDNet report: With Electrolysis, Firefox can use child processes for content (tabs), media playback and legacy plug-ins. This is some way short of Google Chrome, which uses a different process for each tab. However, the result is that Chrome is a huge resource hog: Chrome uses roughly twice as much memory as Firefox on Windows and Linux. Eric Rahm has run some browser tests with Electrolysis, and says: "Overall we see a 10-20 percent increase in memory usage for the 1 content process case (which is what we plan on shipping initially). This seems like a fair trade-off for potential security and performance benefits." With 8 content processes, Rahm says: "we see roughly a doubling of memory usage on the TabsOpenSettled measurement. It's a bit worse on Windows, a bit better on OS X, but it's not 8 times worse."The aforementioned feature will be available in Firefox 48 Beta shortly.
Sandboxing all of FF's plugins is good security practice.
If I understand correctly, Mozilla is re-writing their layout engine in Rust, which should be considerably more secure than Blink (Chrome's engine). But that's still in alpha stage.
There are over 2,400 open bugs right now, and that doesn't include the many thousands that they've supposedly fixed in the past.
Chromium has 51353 open issues, Firefox has >10000, webkit has >10000. So according to your logic, Rust is the best!
NB: The message above might reflect my opinion right now, but not necessarily tomorrow or next year.