In this context, I think the following comments made by Sri Bibek Debroy, translator of Valmiki Ramayana critical edition, are relevant -
"The present translation is about the Ramayana text. But what is the Ramayana text? After a famous essay written by A.K. Ramanujan in 1987 (published in 1991), people often mention 300 Ramayanas. It is impossible to fix the number, 300 or otherwise, since it is not possible to count satisfactorily—or even define—what is a new rendering of the Ramayana story, as opposed to a simple retelling, with or without reinterpretation. Contemporary versions, not always in written form, are continuously being rendered. There are versions of the Ramayana story in East Asia (China, Japan), South-East Asia (many countries like Thailand, Indonesia and Malaysia), South Asia (Nepal, Sri Lanka) and West Asia (Iran). As mentioned earlier, there are Buddhist and Jain versions. Every state and every language in India seems to have some version of the Rama story. Our impressions about the Rama story are often based on such regional versions, such as, the sixteenth-century Ramcharitmanas by Goswami Tulsidas. (Many of these were written between the twelfth and seventeenth centuries CE.) Those depictions can, and will, vary with what is in this translation. This translation is about the Sanskrit Ramayana. But even there, more than one text of the Sanskrit Ramayana exists—Valmiki Ramayana, Yoga Vasishtha Ramayana, Ananda Ramayana and Adbhuta Ramayana. In addition, there are versions of the Ramayana story in the Mahabharata and in the Puranas. With the exception of the Ramayana story in the Mahabharata, the Valmiki Ramayana is clearly the oldest among these. This is a translation of the Valmiki Ramayana and yes, there are differences between depictions in the Valmiki Ramayana and other Sanskrit renderings of the Rama story.".......
...."This translation is of the Valmiki Ramayana. It is necessary to stress this point. Both the Ramayana and the Mahabharata are so popular that one is familiar with people, stories and incidents. That doesn’t necessarily mean those people, stories and incidents occur in the Valmiki Ramayana in the way we are familiar with them. Just as the Bhandarkar Oriental Research Institute produced a Critical Edition of the Mahabharata, between 1951 and 1975, the Oriental Institute, Baroda, produced a Critical Edition of the Valmiki Ramayana. This translation is based on that Critical Edition, published sequentially between 1958 and 1975. Producing a Critical Edition meant sifting through a large number of manuscripts of the Valmiki Ramayana.".....
Best Regards