In April 2016, Jepsen said that she felt inspired and was hoping to release new music at the start of 2017, but did not want to rush. In May 2016, she said that she was taking inspiration from disco music, including ABBA and the Bee Gees. In February 2017, Jepsen said that she had written 42 songs for the album and that her main influence was Donna Summer. In August 2017, she said that she had written over 60 songs, teasing that she was making "songs to clean your house to". In April 2018, Jepsen said that she had written over 100 songs for the album and was starting to narrow them down. She also released a teaser for a song that was speculated to be titled "This Love Isn't Crazy". By May 2019, Jepsen had written "nearly 200 songs" for the album, which included a title track that was not included in the final track listing.
On November 1, 2018, Jepsen released "Party for One", the lead single from the album. On February 27, 2019, Jepsen released a dual single single with "Now That I Found You" "No Drug Like Me". "Now That I Found You" was written at a writing camp in Nicaragua. A music video for "Now That I Found You" was released on March 14, 2019.
On March 31, 2019, Jepsen teased an upcoming announcement on her social media accounts. On April 1, 2019, the album title and release date for Dedicated were announced, along with US The Dedicated Tour dates. On April 17, 2019, Jepsen revealed the album's track listing and cover. The album was made available to pre-order on April 19, 2019 along with the song "Julien" as a pre-order bonus. "Julien" was written at Maderas Village, Nicaragua in August 2016.
Dedicated received favorable reviews; aggregating website Metacritic reports a normalized rating of 80, based on 15 critical reviews.
Reviewing the album for AllMusic, Heather Phares gave a rating of 4 and a half stars out of five. She wrote that "Jepsen is just as committed to her music as she is to the ideal of true love, and the way she's grown without sacrificing her uniqueness makes Dedicated a master class in what a 2010s pop album can be."