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Starting with Patch 4.0.1, the Streaming client was introduced that could download streamed, non-critical content while playing the game.
Patch 4.0.1 EditThis section concerns content exclusive to Cataclysm.
The following interface elements were added to indicate that non-critical content was being stream downloaded:
- - appears at the center top of the screen and animates as content is downloaded.
- - appears in the Micro Menu while content is downloaded instead of the latency icon.
Patch 4.0.6 EditThis section concerns content exclusive to Cataclysm.
- For opening cinematics there is now a streaming option interface in the login screen for play-on-demand.