I agree with vNEX, we do separate component upgrade each time. I did not see any issue.
However, there are some issues when you use IE11 with even latest version. It seems, it is not fully supported.
Ref-When will web client support for IE 11 be implemented? Its not in the 3/11/2014 update!
Re: When will vSphere Web Client support for IE 11 be released?