Gmail is ending support for Chrome browser versions 53 and earlier by the end of the year, Google announced in a blog post. Normally Google would not bother announcing such a thing, but in this case it made an exception because of the impact this could have users who are still clinging to Windows XP and Windows Vista. The last supported version

Source: Hot Hardware – Windows XP And Vista Users Beware: Gmail Ending Support For Chrome 53 And Older By December 2017