This repo is available as a package usable with Arduino Boards Manager.
For full instructions on using the "Boards Manager", see the Getting Started page.
For advanced user, you can use the repository: see the Using git repository page.
- 
STM32F0
 - 
STM32F1
- Nucleo F103RB
 - STM32VLDISCOVERY
 - BluePill F103C8 (on going)
 - MapleMini F103CB (on going)
 
 - 
STM32F2
 - 
STM32F3
 - 
STM32F4
 - 
STM32F7
 - 
STM32L0
 - 
STM32L1
 - 
STM32L4
 
If you have any issue, you could file an issue on Github.
Or submit a topic on the stm32duino forum:
- 
questions on the STM32 Core
 - 
bugs/enhancements on the STM core: Bugs and enhancements