Never Let Go does not feature any identifiable LGBTQ+ characters or themes. The narrative is tightly focused on a heterosexual family unit, specifically a mother and her two sons, and their struggle with isolation and perceived threats. Consequently, there is no portrayal of LGBTQ+ issues, positive or negative, within the film's content.

The film 'Never Let Go' features transsexual characters or community within its narrative. However, the provided information lacks specific details or analyses of their portrayal, making it impossible to determine the net impact as positive, negative, or neutral.

The movie does not contain any action or adventure elements.

The film "Never Let Go" is an original story featuring a female lead whose portrayal is consistent with the character's written gender. There is no indication of any character being established as one gender in prior canon or history and then portrayed as a different gender in this film.

The film "Never Let Go" appears to be an original production. The characters, including the mother played by Halle Berry, are new creations for this movie without prior established racial identities from source material or history. Therefore, no race swap occurred.