Someone at Blizzard this week probably learned a lesson on what to never ever name your files. A few outlets, including Wowhead, spotted a Diablo 4 server update that went out under the name of what sure sounds like the new class coming in the second expansion next year.
Blizzard regularly updates internal versions of its games that are inaccessible publicly, but show up through APIs that people monitor for hints at things like a World of Warcraft expansion entering alpha testing.
