In YouTrack, our goal is to make reporting bugs as easy as possible, and when it comes to software bugs, it often helps being able to post and annotate a screenshot of a problem as it is seen on the screen. To that end, prior to version 6, YouTrack came with a Java™ applet that allowed users to paste and manipulate the image in a special editor.
Unfortunately, due to the (relatively) recent problems with Java applet security, it’s become clear that usability of the applet started to suffer after all of Oracle’s security updates. After all, what good is an applet if you get to see a whole th