The Gmail priority inbox rollout is almost complete. Google started rolling it out in 2020. You may have already noticed the feature in your inbox. Gmail sorts emails into Primary, Social, and Promotions tabs. The priority inbox helps users focus on important emails. Gmail uses machine learning to categorize messages. You can customize these categories as you prefer. The rollout has been gradual to ensure the feature works well for everyone. You can now easily access your most important emails. Gmail continues to improve its filtering system. The priority inbox is now available to most Gmail users.