GitHub has expanded its security alerts to include Python, alongside Ruby and JavaScript, identifying over four million vulnerabilities since their initial release. The platform supplements vulnerabilities from the National Vulnerability Database with additional insights from community activity, leveraging a machine learning model to efficiently process around 10,000 daily commits to dependency files. This model analyzes commit messages and associated issues to detect potential security upgrades, despite the possibility of false positives. To ensure quality, GitHub manually reviews the model's output before issuing alerts. For more information on their security initiatives and other technological advancements, GitHub invites users to join their GitHub Universe event, featuring talks and workshops.