@v12424124_34 I’ve opened another thread here for more visibility - MSAA in CesiumJS! - I’ve since made some changes to improve performance with picking, so the frame drops should be less noticeable. With that said, MSAA does take up more GPU resources so some performance drop is expected. We’re still making sure everything is working as expected so please let us know on the new thread if you run into more issues, thank you!