If you trying to use Blizzard App Chat or in-game chat and it is not working for you, fret not, as it is not working properly for many users. Also, some users are facing login issues with Blizzard Client.
It seems like Blizzard App & Client are having some technical issues, which have been officially addressed by Blizzard official Twitter handles. Have a look at official tweets down below.
Rest assured, we’re keeping a close eye on all related developments, and will update the story with relevant info as and when we come across any. So in case, you’re encountering the issues discussed here, stay tuned for updates.