This project is separated into an independent one from upstream uConsole repository.
Arduino 1.8.13
http://dan.drown.org/stm32duino/package_STM32duino_index.json
STM32F1xx/GD32F1xx boards by stm32duino version 2021.2.22
GENERIC STM32F103R series
gd32f1_generic_boot20_pc13.bin generic_boot20_pc13.bin