While we have evolved from arboreal (tree-dwelling) ancestors, our evolution has taken a different path over the last several million years. Humans have adapted to a terrestrial (ground-dwelling) lifestyle and have developed bipedalism (walking on two legs), enhanced cognitive abilities, and various other adaptations that have allowed us to occupy diverse environments.
There is no scientific basis to support the idea that humans are reverting to an arboreal lifestyle. We have not developed any significant adaptations recently that would indicate such a shift. Our species, Homo sapiens, has persisted for approximately 200,000 years and has undergone subtle evolutionary changes related to our physical appearance, immune system, and cultural traits, but these do not suggest a return to arboreal living.
Human evolution is a continuous process, but it is gradual and influenced by various factors such as natural selection, environmental pressures, and genetic mutations. There is no evidence to indicate a reversal of our evolutionary trajectory or a regression to a previous ancestral state.