Serial Monitor started printing time stamp

A time stamp started to print before each printed line in my serial monitor. I just did a major update on my libraries and IDE (2.1.1). This is what I am seeing:
17:50:54.847 -> 853385
17:51:39.618 -> 75.31ºF
17:51:39.664 -> 74.75ºF
17:51:44.682 -> TEST

In the program each line is the result of a serial.println being carried out. Is this something new with the NTPClient or some other library?

I believe it's a feature of the new 2.x IDE. There's an option in the serial monitor to turn it off.

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Hi @thetatek4. As wildbill mentioned these can be toggled on and off. In case you (or others who have the same question and find this topic during their researches) didn't spot the control, I'll point out its location:

image

Thank you wildbill. I just loaded the 2.1.1 IDE and missed that option.

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