drawEllipse()/fillEllipse() are flawed on radius >175px about tft_hx8357 HOT 2 CLOSED

#include <TFT_HX8357.h>
TFT_HX8357 tft = TFT_HX8357();

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  tft.begin();
  tft.setRotation(1);
  tft.fillScreen(TFT_BLACK);
  tft.drawEllipse(175, 50, 175, 50, TFT_BLUE);
  tft.drawEllipse(200, 50, 200, 50, TFT_RED);

  tft.setTextColor(TFT_WHITE);
  tft.setTextSize(3);
  tft.print(tft.width());
  tft.print("x");
  tft.print(tft.height());
}

void loop() {
  // put your main code here, to run repeatedly:
}