While #1793426: 0 sites reported usage for a distribution packaged on Drupal.org is unresolved, we can use commons_profile_base to track Commons 7.x project usage.
So far in my testing, the 2.x branch appears to be working as expected: http://drupalcode.org/project/commons.git/commit/5b48d93.
Automatically closed -- issue fixed for 2 weeks with no activity.
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