A month ago or so, Samsung sent out the dedicated night mode update to the Exynos Galaxy S10 models. That update has finally hit the US, too, and it brings camera improvements across the board that will allow the device compete against the Pixel 3 in low-light conditions without losing.
https://www.notebookcheck.net/Samsung-Galaxy-S10-range-users-rejoice-as-dedicated-night-mode-update-with-major-camera-improvements-finally-hits-the-US.426867.0.html