WHAT ARE THE IMPLICATIONS OF THE RECENT DISCOVER MECHANIC CHANGES?

The latest patch has pre-loaded the upcoming Saviors of Uldum solo content (Tombs of Terror), fixed some bugs… Oh, and it also had a short notice about making a massive change to one of the most popular mechanics in the entire game. Wait, what? Yes – I’m absolutely surprised that Blizzard ended up writing only three sentences about how the Discover keyword is going to work now instead of dedicating an entire blog post to it and explaining their intentions  ...