Tokina will soon announce a new atx-m 85mm f/1.8 FE lens for Sony E-mount mirrorless cameras. According to NC, the Japanese price for this lens is JPY 54,600, US price around $500. Official announcement is expected in February. You can take a look at first image of this lens above.
Back in September 2018, during the announcement of FE 24mm f/1.4 GM lens, Sony has released a native E-mount lens timeline, see the picture above. Sony will release a total 12 more native E-mount lenses in near future. Now 2019 is over, in 2019, Sony released 6 native e-mount lenses, so in 2020 to 2021, at least 6 more E-mount lenses will be released.
The Sony a7 is the first full frame mirrorless camera in the world. It is now 6 years old. Finally, B&H Photo Video and Adorama have listed Sony a7 as discontinued. While this camera is still available at Amazon.