"Google is adding a new feature for Chrome that will help bilingual folks and ex-pats a lot. Developer François Beaufort revealed that you can now spellcheck in multiple languages, even in the same document, without getting the dreaded squiggly red lines."
Some big vulnerabilities have been patched.
Regarding providing support for Chrome on Windows 7, Google seems to have run out of patience. The most popular browser in the world will stop receiving
While McAfee says they're not directly dangerous, you should still delete them.