I am using the 1.2.0 ARM64 on the latest Raspberry Pi OS lite [64 bit] but have also tried the ARMv7 file and the 32 Bit OS but got the same issues and am using the en_GB-northern_english_male-medium ...
After updating spdlog to the latest version I get the compile error: ".parse is not a member of ....." My code worked perfectly fine before I updated spdlog. It seems like the commit 62e55e7 broke it.