I've started to work in an existing drupal development project and wanted to do some module updates and found modules with versions like this:

  • Universally Unique IDentifier 7.x-1.0-alpha3+47-dev
  • Taxonomy CSV import/export 7.x-5.10+17-dev

I've never seen this before. According to drupal version number guidelines this is not wanted.

Now, our head developer says they never modified any contributed modules and only took them from drupal.org ... Where do that version numbers come from?

Did I miss something?

  • Last packaged version: 7.x-5.10+17-dev - drupal.org/node/882530 - this is a information added by drupal.org packaging script, do not worry ;)
    – malcolm
    Apr 26, 2013 at 9:32
  • ah, interesting. but my drupal installation recommends to install 7.x-5.10 instead of 7.x-5.10+17-dev ... ?
    – q9f
    Apr 26, 2013 at 9:49
  • That's because using dev-versions in general is discouraged.
    – Letharion
    Apr 26, 2013 at 9:52
  • ok, got it. why is it not called 7.x-5.x-dev anymore?
    – q9f
    Apr 26, 2013 at 9:55
  • 1
    @MPD I'm well aware that -dev versions are discouraged, I strongly try to avoid them myself, but I found that to be out of scope for this whole discussion, so I decided to not open up that debate :)
    – Letharion
    Apr 26, 2013 at 13:28

1 Answer 1


-dev versions, are regularly built from the latest source code.

To differentiate between todays -dev release, and yesterdays, the number you've indicated counts the number of changes between any two dev releases.

  • so basicly 7.x-5.10+17-dev is a more detailed version number of 7.x-5.x-dev?
    – q9f
    Apr 26, 2013 at 9:53
  • Yes, it says '17 commits on -dev since the last release', in this case, 5.10.
    – Letharion
    Apr 26, 2013 at 10:53
  • alright, this is still a bit confusing in the "available updates" page. thanks for clarification!
    – q9f
    Apr 26, 2013 at 11:02

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