PBE stands for Public Beta Environment, a dedicated test server where upcoming content is released before reaching the live game. Players can explore new champions, skins, balance changes, and experimental systems while providing early feedback. Because updates reach the PBE first, it serves as a valuable space for discovering issues that internal testing may not catch, especially bugs related to gameplay flow, Map awareness, or unusual Interactions.
Anyone can create a PBE account if they meet the eligibility requirements, and testers receive free RP through daily missions so they can try upcoming cosmetics and features. The PBE supports both League of Legends and Teamfight Tactics, allowing Riot to gather broad data across multiple game modes. Consistent testing on the PBE helps polish content, improve Stability, and reduce problems before patches officially launch.