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由 R. Hansen 发表于 Oct. 28, 2018 ·

To make it work with Tbird 60.2.1, rename the xpi to zip. Open up install.rdf and change the Thunderbird max version to 60.*. Developer says it's only compatible before version 63, so if you're on beta channel, you're out of luck until it is maintained.

这个评论是针对附加组件的一个早期版本的（3.0.0）。 

作者 Josh Geenen (开发者) 日期 Dec. 4, 2018 ·

That works somewhat until TB version 63.0, then it will completely stop working. I'm tracking my progress towards supporting 63+ in https://github.com/jdgeenen/gcontactsync/issues/121. Thunderbird's rate of making breaking changes has outpaced my spare time, so your patience is appreciated.