The song was released on April 16, 2020 as a non-album single, though it was included as a bonus track on the Japanese edition of Lifeforms (2021).

"All That's Left Is Love" was written directly about the global impact of the COVID-19 pandemic, and about being optimistic of the future during troubling times.

"[1] The band began to tease the song on their social media platforms before officially announcing its release to be April 16, 2020.

Alongside the release, it was revealed that all proceeds from the song would be donated to the nonprofit organization Feeding America's COVID-19 relief fund.

During an interview with Apple Music's Zane Lowe, DeLonge discussed the decision to donate all of the song's profits to the charity:“I’ve handed out food on holidays and for people in need.

Billboard's Gil Kaufman felt that the song's second verse "pretty well sums up what a lot of us are feeling these days" in reference to the social impact of the pandemic.

[7] In the video, Delonge is seen singing and dancing to the song by himself in various different locations, as to represent the feelings of isolation that many have felt the pandemic has caused.