Firmware number J720MUBS3ASD1 is currently available in Chile, and should soon be released in Bolivia, Brazil, Panama, Trinidad and Tobago. The patch fixes five critical Android OS vulnerabilities, 15 Samsung ones and a number of lesser issues. Since it is just a security patch, it does not contain any new features. If your phone does not download it automatically, go to Settings, navigate to Software update and select Download and install.
Samsung is in trouble, episode 8214. This time it is Galaxy Fold's display