It was released on January 30, 2020, by Atlantic Records for digital download and to streaming platforms and serves as the second single for Williams' debut solo EP, Petals for Armor I.

The song was written by Williams and Joseph Howard and was produced by Taylor York.

[4] Upon its release, in a statement accompanying the album's announcement, Williams said the project "benefited from a little bit of musical naïveté and rawness" and said it was the product of experimentation.

[5] "Leave It Alone" was written by Hayley Williams and Joseph "Joey" Howard while production was handled by Taylor York.

[8] The music video for "Leave It Alone" was directed by Warren Fu and serves as a sequel to its predecessor "Simmer".