Teamfight Tactics is gaining more and more attention. It has not been a whole day since it was available on PBE, but the game is already the most viewed game on Twitch. It actually took about an hour after Teamfight Tactics was available on the server.
Much as it's extremely popular on Twitch, people around the world are coming to the server, and it's taking forever for everyone. Although the developers mentioned that they have increased the number of people allowed on the server, the popularity of the game must have surpassed their expectations.
Riot announced Teamfight Tactics as a potentially permanent game mode last week which brought up immediate attention . If everything goes well with the test, it will be available on the main servers by the 9th of June, alongside the 9.1