Branch: Binary Build: 4.9.0-2672455+++depot+UE4-Releases+4.9 While following along with the 3rd person blueprint video tutorial (4.8), the editor is freezing while working on the animation montage. No logs or events are generated. It also crashes while trying to preview the game with this asset in…

Hi rkevingibson - Thank you for your report. I was able to replicate this hang and have reported the bug as UE-21313. As we investigate a solution, I will keep you informed here. Eric Ketchum