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==== Thunderbird {{CENTRAL_VERSION}} ====
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=== Next Thunderbird Major Release ===
|colspan=3 style="text-align:center" | '''''SeaMonkey''' follows same schedule as '''Firefox'''''
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| SeaMonkey 2.1718<br/><small>''Based on GECKO 2021''</small>| Currently in '''BETA'''<br/>Moves to '''Released''' on April 1stMay 14, 2013| [http://www.seamonkey-project.org/releases/seamonkey2.1718/#new Release Notes]
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| SeaMonkey 2.1819<br/><small>''Based on GECKO 2122''</small>| Currently in '''AURORA'''<br/>Moves to '''Beta''' on April 1stMay 14, 2013
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| SeaMonkey 2.1920<br/><small>''Based on GECKO 2223''</small>| Currently in '''NIGHTLY'''<br/>Moves to '''Aurora''' on April 1stMay 14, 2013