A PR changes a function signature from processData(data) to processData(data, options = {}) for backward compatibility. Three calling sites pass undefined as the second argument. What do you say?

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Stay specific. One example, told well, beats three told fast. Make your decisions visible — what you chose between. End on what changed, for whom.

A PR changes a function signature from processData(data) to processData(data, options = {}) for backward compatibility. Three calling sites pass undefined as the second argument. What do you say?

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