Hypothesis underwent scheduled enhancement on Wednesday, June 25, 2025. With this update, the Hypothesis social annotation tool in Bruin Learn now supports image annotation. Users can create area selections or pins over images to indicate the specific part of a document their annotation references. 

Hypothesis underwent scheduled enhancement on Wednesday, April 9, 2025. With this update, the @mentions feature is now available in Hypothesis social annotation activities, allowing users to mention specific people in their course.