If I go to mission log and click the name of a previously completed mission, it opens a mission information pop-up. The pop-up has an "X" button in the top right and a "close" button at the bottom. The close button works fine but the X button doesn't seem to do anything when I click it.

Interestingly, the X button works totally fine on the info pop-up for missions that are currently in progress, just not previously completed ones.

Should be fixed.