If you are not able to view recent known updates to Graphium's Dashboard your browser might be the culprit.
A browser will store website data in order to increase load times, and reduce the use of system resources by the browser. These website images and information are "cached" and depending on the browser you are using clearing the browser's cache is different.
Below are steps for clearing the cache and website data most browsers. A link is included to the browser's main support page.