Firefox and Chrome century version bug is like Y2K all over again

Version 100 of the world's biggest browsers could cause websites to break.

For those old enough to remember, the year 2000 was a scary time for computers. Since many computers represented the year with two digits (ie 1999 was 99), many feared that computers would revert to the year 1900 and cause massive problems.

That didn't happen, but now Mozilla is warning of a similar issue with the web. At some point over the next several months, the world's leading web browsers—Chrome, Firefox, and Microsoft Edge—will all hit version 100, which could break some websites that rely on identifying the browser version. As Mozilla explains: