When compiling a program including SDcard.h of SD Version 1.24 or 1.30 the actual version of the pico 4.01 generates: ambiguous overload for 'operator+' (operand types are 'arduino::String' and ...

On the latest Arduino release v3.1.2 the function serializeJson does not work anymore and the app is crashing instantly. Within the Arduino release I see that some changes to the String objects were ...