評分: 2 / 5 顆星

It does not group very well, for me.
I have threads with the same subject with 2 people going back and forth, and they do not get grouped.

此意見為舊版本 (2.0.7) 的附加元件。 

I suggest you read https://github.com/protz/GMail-Conversation-View/wiki/What-is-threading