Smaller Upgrade Package on weekly updates?

[JeremyG]

I've noticed from the official Chinese MIUI forum, they did provide some special package so called "Upgrade Package" which is slightly smaller (7~8mb) size compare to our weekly update @ 110mb which quite hefty for some...

does it possible for miuiandroid.com provide such convenient upgrade method in any future??

Below is the picture for reference..
Upgrade pack from various version....

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[skedone]

depend on the rom maker this all ready happens the one i use on my desire all ready has this feature unless it is really needed to be a full update