That thread is related to MY16 update (week 22, already changed), not directly to facelift.
Some rumours for A3 8V Facelift (A3/S3/RS3):
Expected date: Early 2016
All models new options:
- MIB-II Upgrade for Infotainment with Car Play and Android Auto support
- MIB-II Upgrade with Virtual Cockpit
- Matrix Led Lights
- Dynamic indicators
RS3 new options:
- Ceramic Brakes
- Bucket Seats