We don’t know how long the open beta will run for, nor when Valve are aiming to release the game, but they will probably take a few months to properly test and optimize it before making it official. It’s completely in Valve’s style to test a release carefully before opening it up to the public and removing the “beta” from its name, and they also know how to listen to user feedback.
Meanwhile, an announcer pack from the voice actors of the TV show “Rick & Morty” has been submitted to the Steam Workshop, and has gained a lot of attention from the community, with many people heading over to give their votes for the new package.
It looks like there are many fans of the show in the game’s community, and at this point it’s practically guaranteed that the announcer pack will make its way into the official game. It’s even possible that Valve may directly include it into the revamped version of the title once it’s released, but they haven’t said anything about that yet.