The latest software update for the Galaxy S10 series comes with slow-motion video capabilities for the front camera, improved fingerprint recognition, Auto Hotspot, and a few minor changes. In China, these handsets have already started to receive the Android 10-based One UI 2.0 update (in a Beta testing stage).
https://www.notebookcheck.net/Samsung-Galaxy-S10-gets-slow-motion-mode-for-the-front-camera-still-stuck-on-Pie.440451.0.html