Unfortunately it seems that twitter.com recently stopped supporting all Internet Explorer versions, including IE 11.

This means that the ShortPoint Twitter element will also not work or not work properly in any version of the Internet Explorer browser (previously it didn't work in IE 10 or lower).

There is no official announcement, but the list of officially supported browsers does not include any version of Internet Explorer any more.

You can also check out the latest official list of supported browsers from where the above screenshot was taken here.