A lot of advancement that has been made on this version of the Internet Explorer, but you still encounter some of the primitive problems that have been a long standing phenomenon with the Internet Explorer browser. Some of them are detailed below, the most important of them being the users complaining that they cannot open websites from Ie8 on any cases.
Security
There has not been any remarkable protection advancement on this version of the browser. Remember, a few years back, there were a lot of objections to use Internet Banking and other personalized features with the Ie because of its protection issues. Till date, there has not been any response from the developers about this and even when a new version of the browser was developed, this question was not stressed upon. Even today, the Ie8 allows many unsafe sites to be opened with just warnings. In some cases, population complain that they cannot open websites from Ie 8 on many occasions, but the behavior of the browser isn't too predictable.