Added page "Add-ons Guide for Thunderbird 57 and beyond"
* Visit [https://developer.mozilla.org/en/Thunderbird_Localization Localization] to help other translators to localize Thunderbird in your language.
* [[Thunderbird/Contributing patches|Contributing patches and fixes]].
* [[Thunderbird/Community_Members|Community members]] - List of active community members contributing to and supporting Thunderbird.
* [[Thunderbird/Core_Team|Core Team]] - List of people typically actively involved on a weekly basis, and providing major input into Thunderbird.