The Sony Planar T* FE 50mm f/1.4 ZA lens (SEL50F14Z) is now shipping worldwide (currently in stock at B&H and Fotohanskeuzekamp).
Mobile01 recently published their review of the lens with many sample/text images.
Here is the new 1.4/50 lens side by side with the Sony FE 1.4/85 GM: