Customize each seeds.... ?

[Artwo]

Can I customize each seeds , such as how long news are kept?
I think it is very important.

For example,

I can configure the duration of news is 3 days
and technical articles should be 6 months.

This function were implemented in RSSReader

Could you add it?

[Jack]

This feature has already been scheduled in beta release, and will be available in next 2 weeks.

[Artwo]

Really, That is great. Expecting. Inform please as you finish it