On the Website Impostors are still being referred to as an Open Beta Feature, it also mentions that you can only see Impostors when using the Open Beta.
This is however not the case anymore, while Impostors are technically still an experimental feature, they are
an Open Beta only feature and have been available on live for a while.
Expected Behaviour:
The Website should no longer refer to Impostors as an Open Beta only feature.
Here is a picture showcasing the issue: