It has been mentioned repeatedly in media for the last few days:

On Thursday, Premier Gladys Berejiklian announced that fully vaccinated people in NSW would be able to visit gyms, pubs and households – subject to capacity limits – once the state reaches 70 per cent full vaccination. Larger gatherings, in stadiums and theatres, will also be permitted subject to capacity limits for the double-dosed.[SMH 10/9]

How it will be enforced remains to be seen. If you invite a few friends over to your home, are you really going to check their vax status?