22-July-2021
==================================================================
version 2.69 
  Added nRF53 family, net and app core support
  Added GigaDevice GD32-E23x family
  Added STSPIN32 family
  Added new STM32G0x MCUs to existing family
  Added Auto Read feature after Auto Program.  Will read memory contents after programming without reset or power cycle.  Useful for code that modifies flash, or if MCU access requires flash erase.
  EFR32BG12 patch for Gang serialization to user data