Sigma to announce a new 14mm F1.4 DG DN | Art lens

Sigma is rumored to announce a new 14mm F1.4 DG DN | Art lens - here are the leaked specifications:

Lens construction: 19 elements in 15 groups (3 FLD glass elements, 1 SLD glass element, 4 aspherical lenses)
Minimum focusing distance: 30 cm
Maximum magnification: 1:11.9
Number of aperture blades: 11 (Circular aperture)
Size: 101.4 x 149.9mm (151.9mm for E-mount version)
Weight: 1170g (1160g for E-mount version)
Cover type lens cap: LC1014-01
Tripod socket: TS-141
Guide plate: GP-11