Beyond the initial announcement that cross-server chat channels and in-game mail would be affected during the 24-hour long Server Merger process, players are reporting problems with all public chat channels, even server-specific ones like 1-9 and 80-90 (some would insist it’s a feature that these channels are rendered inaccessible), and Friends lists.
We’ll try to find out if we can expect this behavior on all servers during each of these Server Merges.