July's GitHub Changelog digest highlights various updates and new features, including enhancements to user interface elements and security measures. Notable updates include unselectable diff markers, responsive search pages, and the prevention of using compromised passwords. The release also introduced GitHub Desktop 1.3, public beta for user dashboards, and new webhook events for GitHub Apps using User-to-Server tokens. Additionally, security settings were updated, and there are new features such as a button to edit a repository's README from the repository root and a keyboard shortcut for commenting in pull request reviews. GitHub Enterprise received several updates, and there were releases for GitHub for Visual Studio and the GraphQL API preview for Checks. The digest also mentions the availability of security alerts in Python and project automation for review statuses, offering a comprehensive overview of the platform's enhancements for the month.