Serial Monitor for IDE 1.8.9 and 2.0.2 Display °C Problem

Development Tools IDE 1.x
1

Hi guys,I need to display temperature unit in Serial Monitor, but the same sketch get different results for Arduino IDE 1.8.57.0 and 2.0.2. (as picture show below).

IDE
IDE1526×425 131 KB 

void setup() {
    Serial.begin(9600);
}
void loop() {
    Serial.print("°C\t");
    delay(1500);
}

As in IDE 2.0.2, the unit could not display correctly, why and how to resolve?
Thanks.

2

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