In espidf 4.4.1, the heap end is set to 0x4000000 0x00000010 _esp_flash_mmap_prefetch_pad_size = 0x10 0x00000000 _esp_memprot_prefetch_pad_size = 0x0 0x00000000 _esp_memprot_align_size = 0x0 0x3fcac530 _static_data_end = _bss_end 0x40000000 _heap_end = 0x40000000 This is an issues as this is in the ...