RESALE FLATS
Previously : Buyers had to occupy the flat for one year or 2.5 years, depending on how it was financed, before allowed to sell. 
Now : The minimum occupation period is 3 years for all.

HDB CONCESSION LOANS
Previously : Only those upgrading to bigger flat could get HDB loan for a second time.
Now : Downgraders buying smaller flats are also entitled to a second loan.

QUOTAS FOR PRs
Previously : There were no quotas for non-Malaysian PRs buying flats in HDB blocks and neighbourhoods.

Now : There is a 5 % limit on these PRs in the neighbourhood, and 8% for individual blocks. Buyer must also meet the ethnic quotas.

INDIAN/OTHERS QUOTAS REVISED
Previously : The quota for Indians/Other was 10% at neighbourhood level and 13% for individual blocks. 
Now : 12% at neighbourhood level, 15% for block / No change for other Races.
Chinese : 84% at neighbourhood level, 87% for block.
Malays : 22% at neighbourhood level, 25% for block.

FOR SINGAPOREANS MARRIED TO PRs
Their housing subsidy will be $10,000 lower than for Singaporean couples. But they will get the money back when the PR spouses become a citizen or they have a Singaporean Child.