Hello, I'm asking a question, why I use SDK12.0 ANCS engineering download into NRF52832 board to push news, what reason is this?

Hello, I'm asking a question, why I use SDK12.0 ANCS engineering download into NRF52832 board to push news, what reason is this?

Could you explain the problem you are having? Is the problem that the SEGGER_RTT_printf() function is not printing?