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由 jmozmoz 发表于 Nov. 14, 2017 ·

This is really a very useful addon. Unfortunately, it does not work anymore with Thunderbird 57.0b1. I had to start Thunderbird in safe-mode and deactivate it.

这个评论是针对附加组件的一个早期版本的（4.7.1）。 

作者 Realraven (Axel Grude) (开发者) 日期 Nov. 15, 2017 ·

Please check here:
https://www.mozdev.org/bugs/show_bug.cgi?id=26439

It's complicated but there are some explanations and a working test version available there.