When your ping estimate goes above around 120, you can still hear people talking, but the voice chat icons don’t show. So you can’t tell who’s speaking.
This seems to happen consistently whenever ping is higher than ~120. Everything else with voice chat works fine, just the icons don’t appear.
Reports indicate that South African matchmaking was functioning perfectly earlier today, with players successfully getting ZA games from around 10 am to 7 pm. Several members of the ZA Deadlock Discord confirmed this. However, it seems something has since changed, and matchmaking is now...