Replit has introduced a feature called Annotations for educational users, allowing collaborators to highlight and discuss code in context, which has become integral to teachers' remote workflows. Since its launch, over 100,000 annotations have been created, aiding students in querying doubts and enabling teachers to provide feedback and debugging assistance. Building on this, Replit is now developing Threads to enhance the collaborative experience, allowing discussions about projects to reside within repls and enabling real-time communication. Threads enable users to start discussions on specific lines of code, keep track of conversations, and resolve them when done, and Replit plans to expand Threads as a platform for broader social experiences, especially for team collaboration. This evolution reflects Replit's growth from a simple interactive coding environment to a shared space for creating, debugging, and deploying software collaboratively, with plans to eventually replace repl chat with the more comprehensive Threads feature. Replit encourages feedback through Canny posts or direct emails to refine these features.