Measuring and Improving Serial Performance / Serial.flush() Blocks Forever on Nano 33 BLE Sense

There are several things that the forum software allows but it does not always mean that they are a good idea. In your circumstances I feel that it would have been better to have posted the code that you were referring to as part of your initial post in the new topic

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With respect, it is not me that is veering the topic away from its intended goal. By merging the two topics, anyone reading the combined topic will have the full facts as to the original query, its solution and the relevant code all in one place. Don't forget that many users access the forum on mobile devices with small screens so having 2 browser windows open at once is not always practical