World of Warcraft v4.2.0a to v4.2.2 Patch (NA)

Patch Changes:

Dungeons & Raids

Firelands

- The visibility of Ragnaros' Dreadflame ability has been increased. - The size of Ragnaros' hit box during the final phase of the Heroic encounter has been increased.

User Interface

- Raid Frames should now remember whether they were shown or hidden upon subsequent logins

Technical

- Players using multiple accounts should now be available to be invited to a Real ID Party. - Updating a raid roster while in combat should no longer cause a client crash.Attempts to purchase Arena Season 10 items should no longer sometimes cause a client crash. (Korea Only)