The versions (of MW Core, skins, and extensions) listed on Special:Version is updated during a full scap. It is not updated by any of the sync-* commands.
This may lead to surprises when people are trying to verify what is deployed.
Version: wmf-deployment
Severity: enhancement
URL: http://te.wikipedia.org/wiki/Special:Version
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=53972