A new genre has been added for Arcade maps called “Campaign”.However, they are designed to be scalable and are possible, though extremely challenging, on even Brutal. Note: These achievements can be earned on any difficulty above Normal.Upon completion of all 10th Anniversary Campaign Achievements, players will receive the new Stone announcer. A new campaign achievement has been added for every mission in Wings of Liberty, Heart of the Swarm, Legacy of the Void, and Nova Covert Ops.
To find more information on the new galaxy editor changes, you can read the full patch notes in the link below. Blizzard has also fixed multiple crashing issues with the new orb system, along with some fixes to the galaxy editor. This is a major update for StarCraft 2's tenth anniversary.
Blizzard Entertainment, the developer of the classic RTS game StarCraft 2, has just released the patch notes for the StarCraft 2 5.0 update, which includes a few bug fixes, some general changes, new campaign achievements, and editor changes.