It's funny in the TWAB you guys talk about PC local and fireteam chat being the main source of communication for the early stages of crossplay, but completely neglect to mention that PC local and fireteam chats haven't worked since mid-march.
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It's pretty funny that you read the twab about communication and cross play and failed to see that they have been working on chat functions for several months and not think that the 2 might be related.