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So I noticed the version numbers had changed from something like build 5555 to this: revision: 2010.5.14.1. Now I understand the first part is today's date, but is the last part how many times they've changed something today? Or is it something else?

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2 Answers 2

up vote 5 down vote accepted

With Subversion, it's easy to incorporate build numbers into your Source Coce.

In April this year, Jeff etc. switched to Mercurial. While it's not impossible to use build numbers, it is more complicated

Looking at the number, it is likely they just used the date and number of releases per day (Release 1, 14th of May, 2010)

(For what it's worth, Jeff has posted a few thoughts on Source Control)

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I believe it's a hash or version number related to their new source control system, Mercurial

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