Sony has released their very popular a7 III several months ago, it is so popular that still out of at most US stores (Adorama, B&H, Amazon). Early today, we got rumors from our competitor Nikon, that they are going to release their full frame mirrorless camera around Photokina 2018.
According to NR, first Nikon full frame mirrorless camera will be priced around $2,000, has an image sensor around 24MP, to compete current Sony a7 III. It will also have features/functions never introduced beforehand (not sure if this applies to Nikon, to mirrorless cameras or to the industry as general). The camera was designed with ergonomics in mind.