I have seen a few questions which ask when the next version of a some software will be released. Should a question about a software release date be closed when the software is released?
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I will even go as far as deleting it. Closed questions still are in the system, but this kind of questions clearly has a expiry date. Obviously for a short period it could teach others that it already had been released, but after a certain time, there is no value in them any longer.
So I would flag them for moderator attention with "delete as no longer relevant".
As a person responsible for asking question about Delphi 2010 I voted today for closing, using “no longer relevant". This question was both about release date of Delphi 2010 and about 64bit compiler for Delphi. The part about Delphi 2010 is no longer relevant, but part about 64bit is still important. So I think this question should be closed (unfortunately I cannot close it by myself), but I think I would not delete it, since info about 64 bit compiling is still relevant.