OBM 2.5.7 release
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Version **2.5.7** is now available for free download and free upgrade. It replaces version 2.5.6 or any older major version.
You should also upgrade your OBM Connector if you use Thunderbird (Connector [**3.2.0.15**](http://obm.org/mozilla-addons/obm-connector/stable/tb17/) for version lower than 17 and Connector [**4.0.3**](http://obm.org/mozilla-addons/obm-connector/stable/tb24) for the latest Thunderbird 24 ESR version).