After a few months of hard work, the team behind LineageOS revealed a new version of this custom ROM. Based on Android 8.1, LineageOS 15.1 comes with a new Trebuchet launcher, interface styles, LiveDisplay integration, QR support in Snap camera, and more. The first devices supported are the OnePlus 3/5/5T, Xiaomi's Mi 5/5S/5S Plus, Google's Nexus 5X and 6P, the LePro3/Pro3 Elite by LeEco, as well as the WiFi-only Samsung Galaxy Tab S2 slates.
https://www.notebookcheck.net/Android-8-1-Oreo-based-LineageOS-15-1-now-available-for-select-devices.286480.0.html