According to SAR, the upcoming Sony a99 successor a99II will be announced very soon. Here are a list of specs from web, just take as a grain of salt.
Sony a99II rumored specs:
- 42 MP full frame sensor
- 499 AF points
- Dual AF
- 4K video recording
- Same a7RII IBIS
- Dual card slot
- improved flash system+battery
- will ship together with new 24-105mm f/4.0 lens
via: SAR