![Rainbow Six Siege on Twitter: "Due to the crashing issues observed on the Test Server, we've reverted the change for the Vulkan Graphics API testing for the time being and are in Rainbow Six Siege on Twitter: "Due to the crashing issues observed on the Test Server, we've reverted the change for the Vulkan Graphics API testing for the time being and are in](https://pbs.twimg.com/media/EJRtgPRXUAIZxqd.png)
Rainbow Six Siege on Twitter: "Due to the crashing issues observed on the Test Server, we've reverted the change for the Vulkan Graphics API testing for the time being and are in
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Rainbow Six Siege update: PS4 and Xbox One fans just got a little closer to new operators | Gaming | Entertainment | Express.co.uk
![Rainbow Six Siege on Twitter: "The Test Server has been updated! Below are the changes: ✔️ Enabled Ranked Playlist until Friday (disabled Unranked) ⬆️ Adjusted all Test Server accounts to 4400 MMR Rainbow Six Siege on Twitter: "The Test Server has been updated! Below are the changes: ✔️ Enabled Ranked Playlist until Friday (disabled Unranked) ⬆️ Adjusted all Test Server accounts to 4400 MMR](https://pbs.twimg.com/media/E9qCNIBXMAAZP28.png)