Every new field will be added with the optional tag check?

[scarshad]

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Do we have support to check if the new field is added is optional or not? I want it for the backward compatibility support

[yoheimuta]

@scarshad Thank you for reaching out! Currently, protolint does not support the feature regarding the existence of "optional".

Is it a common use case to check it for backward compatibility? That being said, it may be worthwhile to add this check.