Samsung has announced it will start distributing One UI 4.1 soon, starting with the Galaxy S21 series, the Galaxy Z Fold3 5G and the Galaxy Z Flip3 5G. The update introduces numerous Galaxy S22 series camera features to older flagships, such as the Expert RAW app and Object eraser functionality, among other changes.
https://www.notebookcheck.net/Samsung-begins-One-UI-4-1-rollout-with-the-Galaxy-Z-Fold3-and-Galaxy-Z-Flip3-a-major-update-that-brings-many-camera-features-from-the-Galaxy-S22-series-to-older-Galaxy-smartphones.608343.0.html