@MK @Lazar-Demin adding these notes for future players. If you follow the notes in the Onion repository for building a local version: https://github.com/OnionIoT/lv_micropython#compiling-local-code Then check in ~/lv_micropython/lib/lv_bindings/lvgl/src/lv_version you can find the lvgl verison: /Current version of LittlevGL/ #define LVGL_VERSION_MAJOR 6 #define LVGL_VERSION_MINOR 0 #define LVGL_VERSION_PATCH 2 #define LVGL_VERSION_INFO ""