This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.
Collapsed categories in the My Blueprint tab are automatically expanded when any main tab, such as the Event Graph or Construction Script tab, is clicked. Moving to the Defaults or Components Modes and back to Graph Mode also expands all categories.
1. Open any project
2. Open any Blueprint
3. In the MyBlueprint tab, collapse the Graphs and Functions categories
4. Click the Event Graph tab
The Graphs and Functions sections expand.
Head over to the existing Questions & Answers thread and let us know what's up.