5.2.0

• New boards:
  • 3D Printer Controller
  • Black STM32F407VE
  • Black STM32F407VG
  • Black STM32F407ZE
  • Black STM32F407ZE
  • BlackPill F103C8
  • BlackPill F103C8 (128k)
  • Blue STM32F407VE Mini
  • BluePill F103C6
  • Demo F030F4
  • ST Discovery F072RB
  • F407VG
  • FK407M1
  • Tiny STM103T
  • M200 V2
  • Malyan M200 V1
  • N2+
  • ST Nucleo L452RE
  • RAK811 LoRa Tracker
  • RAK811 LoRa Tracker
  • 3D printer controller
  • 3D Printer control board
  • STM32F4Stamp F405
• Refactored support for Arduino STM32 cores
• Added documentation how to configure Arduino cores and switch between them
• Updated openOCD to 0.10.0+dev-00462-gdd1d90111
• Use stlink as default protocol for Discovery and Nucleo boards (you need to install ST-Link drives on Windows)
• Bug fixes and improvements