The leverage is going to come down in phased manner not straightaway.
This is how much maximum leverage can be offerd until it is limited to maximum 5x from September 2021.
From December - February: Max leverage of 5% or 20 times for stocks.
From March - May: Max leverage of 10% or 10 times for stocks.
From June - August: Max leverage of 15% or around 7 times for stocks.
From September 2021: Max leverage of 20% or 5 times for stocks.
We have also explained recent changes in detail here.