Now is the time to try One UI 2.0, if you own a Galaxy S10, Galaxy S10e, Galaxy S10+ or Galaxy S10 5G that is. Samsung has opened its One UI beta program once again, with the company giving the world the first taste of its Android 10-based OS. One UI 2.0 makes some useful refinements over the last stable release, including an improved dark mode among others.
https://www.notebookcheck.net/One-UI-2-0-Android-10-arrives-on-the-Galaxy-S10-Galaxy-S10e-Galaxy-S10-and-Galaxy-S10-5G.438969.0.html