STM32LowPower: v1.2.0 STM32 Core v1.9.0 Arduino IDE: v1.8.19 Device 1: STM32F103C8 Blue Pill Device 2: STM32F411CE Black Pill Code: ExternalWakeUp example LowPower library will not compile on STM32F103C8 for RTC library v1.2.0 and onward. No problem up to v1.1.1. [STM32F103.txt](https://github.com/stm32duino/STM32LowPower/files/9545210/STM32F103.txt) [STM32F411.txt](https://github.com/stm32duino/STM32LowPower/files/9545211/STM32F411.txt) LowPower library will not compile on STM32F411CE for RTC library v1.3.0 and onward. No problem up to v1.2.0.