Thread:Extension talk:Gadgets/Activating Gadgets on 1.17?/reply

MediaWiki 1.17 isn't in the download distributor because the 1.17 branches were maintained before we migrated from Subversion to Git, so they're not in the new system. Only branches from 1.19 onwards are in Git (and by extend in the distributor).

If you know how to use SVN, you can grab it here from the SVN repository (no longer maintained, but we've preserved old branches):

https://svn.wikimedia.org/viewvc/mediawiki/branches/REL1_17/extensions/Gadgets/

I'd really recommend upgrading to MediaWiki 1.19 or 1.20 soon though, as MediaWiki 1.17 is no longer supported (and MediaWiki 1.18 also just got its last maintenance release).