评分4星，满分5星

由 developernotes 发表于 Jan. 6, 2010 ·

You can modify the install.rdf file contained within the .xpi and change the em:maxVersion value from 2 to 3. Not everything appears to still work, but at least you get j/k navigation back within Thunderbird 3.

这个评论是针对附加组件的一个早期版本的（0.6）。