4.0 availability?

[Romeyn Prescott]

I apologize if this has been discussed to death, but I don't see it 
in recent postings.

When might YDL 4 be generally available?  Even at the for-pay store 
it says "coming soon".

Thanks,
...ROMeyn
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signat-url: http://www2.potsdam.edu/prescor/signat-url.htm