maybe @MaBe could help, I don't understand ESP32 target very much. I'd try to modify file app/build/include/sdkconfig.h by maybe it won't work as it looks already pregenerated in some state.
As for variable size I was wrong, look like for ESP32 target the number of variables in board file is mostly ignored and just works as a baseline to determine size in bytes of each variable. So it only defines maximum number of variables, real value is determined at startup based on available free memory.
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maybe @MaBe could help, I don't understand ESP32 target very much. I'd try to modify file
app/build/include/sdkconfig.h
by maybe it won't work as it looks already pregenerated in some state.As for variable size I was wrong, look like for ESP32 target the number of variables in board file is mostly ignored and just works as a baseline to determine size in bytes of each variable. So it only defines maximum number of variables, real value is determined at startup based on available free memory.