Here's the notable stuff that's out in the UK on Mon April 27th...
Singles:

Detachments - "The Flowers That Fell" [Vid. Great debut from London 4-piece.]
The Maccabees - "Love You Better" [Vid. Good 1st single from their 2nd album.]

The Barlights - "Tickling" [Vid. Good debut single from Norwich 4-piece.]

Alessi's Ark - "Over The Hill" [Vid. Good 1st single from her debut album of the 18 year old London folk-popster.]
Morrissey - "Something Is Squeezing My Skull" [Vid. Terrible 2nd single from his 9th album.]
Albums:
Golden Silvers - True Romance [Vid. Debut from London trio.]
The Enemy - Music For The People [Vid. 2nd album from Coventry trio.]
Morrissey - Southpaw Grammar (Expanded Edition) [Includes 3 mediocre unreleased songs in an annoyingly jumbled-up tracklist.]
Morrissey - Maladjusted (Expanded Edition)
[Adds all six b-sides, but deletes "Roy's Keen" and "Pap Jack", wtf? If
they had left those 2 songs on there we could have had every song from
that era on one nice disc.]
Peter Raeburn - You & Me [Debut album from Johannesburg-born, London-based composer of music for TV.]