Very informative. Thank you. I prefer the Byzantine text in general but especially at John 1.18. I’ve come to the opposite conclusion here and regard ‘only begotten Son’ as likely the original. John uses it elsewhere and nowhere else is monogenes theos used. He uses the title Son of God all throughout his writings. As you mentioned, modern versions are split as to which is original.
The NKJV is an excellent version (my primary version)but I do agree the NET has some excellent notes regarding textual issues as well. I prefer have the Byzantine Textform represented in the body of the text.
NKJV is an excellent tradition. With your textual preference you have chosen wisely.
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