On 15 September 2020, Douwma announced on Twitter that a collaborative album with fellow UK artist Wilkinson would be released on 9 October of that year. The album was made available for pre-order on CD and vinyl. Portals tracklist was revealed by Douwma on 17 September. It contains 11 tracks, including the four singles "Air I Breathe", "Illuminate", "Just Hold On" and "Turn the Lights Off".
