Crashed in regular Steamfont a few times while doing the anniv task. Then the mission instance for the other Steamfont anniv. mission crashed a few times before we gave up. Please look into these. We would be killing stuff and then the zone would crash, and when we zoned back into the mission instance, it had reset so we had to start over.
Yup, Steamfont appears to be crashing a lot when doing specific parts of the Ogres at the Gates task.