According to Wikipedia the Mk4 Jazz will be on sale in Japan from February and will have the following engine:
LEB-MMD (i-VTEC + Sport Hybrid “i-MMD” (Intelligent Multi Mode Drive))
DOHC 16 valve Atkinson cycle
Displacement: 1.5 L; 91.4 cu in (1,497 cc)
Bore x Stroke: 73.0 mm × 89.5 mm (2.87 in × 3.52 in)
Power: 151 PS (111 kW; 149 hp) / 4,000 – 8,000 rpm
Torque: 267 N⋅m (197 lb⋅ft) / 0 – 3,000 rpm
Honda Insight 2019- (ZE4)
Honda Fit/Jazz Hybrid (4th Gen)
The info has been taken from articles on the Honda Jazz and Honda L Engine.