Big additions included Mew, Susanne Sundfør, Kate Tempset, Swim Deep and Lawson. Thursday 14 May will see Kate Tempest, George The Poet and Hollie McNish play a separate ticketed show at the Brighton Dome.

Best Fit Five Day Forecast alumni Cash + David, NIMMO, EKKAH and Oscar have also joined the lineup.

The festival has also launched the Great Day Out, an Arts Council England supported event, a bespoke curation aimed at a 14+ audience - the first name confirmed is Lawson.

18+, Aldous Harding, Arkells, Asylums, Birth Of Joy, Blaenavon, Blossoms, Boxed In, BROODS, Bulbul, Cairo, Cash + David, Cold Fronts, Common Tongues, Cristobal and the Sea, CuckooLander, Dark Waves, Delta Rae, DMA’s, Dope D.O.D., Dornik, Dralms, EKKAH, Fist City, Flight Brigade, Freeweights, Garbanotas Bosistas, George Maple, George The Poet, Ghost Culture, H.E.A.T., Habitats, Hector Bizerk, High Tyde, Highs, Hollie Mcnish, Holy Holy, Intergalactic Lovers, Jack + Eliza, Jeremy Loops, Joyce Manor, K. Flay, Kadebostany, Kali Uchis, Kanzi, Kate Boy, Kate Tempest, Kelela, Knights, LA PRIEST, Lake Komo, Lawson, Leaf Rapids, Louis Baker, M.O, Mew, Mountain Bike, Mr Peter Hayden, Mumdance & Novelist, Nao, Neon Waltz, NIMMO, No Joy, Noah Kin, Nothing But Thieves, Oscar, Pinkshinyultrablast, Pity Sex, Playground Zer0, Pollyanna, Port Isla, Prose, Puts Marie, Redder, Rival Consoles, Rukhsana Merrise, Seafret, Shamir, Shannon Saunders, sóley, Sons Of Bill, Steve N Seagulls, Stormzy, Sudakistan, Sun Club, Sundara Karma, Susanne Sundfør, Swim Deep, Tears & Marble, Tenterhook, The Beach, The Flavr Blue, The Indien, The Posies, The Posterz, The Well, Todd Dorigo, Turtle, Vaults, Vök, Vukovi, Wand and We Are Shining.

For the fifth year running, The Line Of Best Fit will be returning to host a stage; to get an idea of what our stage might feature, head here to see last year's full lineup (which included UK debuts from Tove Lo and Emilie Nicolas).

To check out the already-announced lineup, including Alabama Shakes, Dutch Uncles and Thurston Moore, head here.

The multi-venue city festival will take place 14-16 May, and celebrates its 10th birthday this year. More information, including ticket details, can be found here.