You can skip the minor upgrades, minor being the number to the right of the decimal point.
Bob
From: lamp@afan.net Sent: Sunday, April 21, 2013 3:39 PM To: support@drupal.org Subject: [support] Upgrade from 7.16 to 7.22
Hi to all, I have website with Drupal 7.16 on it. Plan to upgrade to the latest version, 7.22.
Is it safe to upgrade directly from 16 to 22 or I have to go version by version, or something?
Thanks.
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