C:\Users\b1sk1\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.14\cores\esp32\esp32-hal-uart.c: In function 'uartSetPins':
C:\Users\b1sk1\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.14\cores\esp32\esp32-hal-uart.c:153:9: warning: 'return' with no value, in function returning non-void
         return;
         ^~~~~~
C:\Users\b1sk1\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.14\cores\esp32\esp32-hal-uart.c:149:6: note: declared here
 bool uartSetPins(uint8_t uart_num, int8_t rxPin, int8_t txPin, int8_t ctsPin, int8_t rtsPin)
      ^~~~~~~~~~~

C:\Users\b1sk1\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.14\libraries\LittleFS\src\LittleFS.cpp: In member function 'bool fs::LittleFSFS::begin(bool, const char*, uint8_t, const char*)':
C:\Users\b1sk1\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.14\libraries\LittleFS\src\LittleFS.cpp:86:5: warning: missing initializer for member 'esp_vfs_littlefs_conf_t::partition' [-Wmissing-field-initializers]
     };
     ^
C:\Users\b1sk1\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.14\libraries\LittleFS\src\LittleFS.cpp:86:5: warning: missing initializer for member 'esp_vfs_littlefs_conf_t::read_only' [-Wmissing-field-initializers]
C:\Users\b1sk1\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.14\libraries\LittleFS\src\LittleFS.cpp:86:5: warning: missing initializer for member 'esp_vfs_littlefs_conf_t::grow_on_mount' [-Wmissing-field-initializers]

not specific