Rated 5 out of 5 stars

yazan: dark tarih: Haz. 8, 2013 ·

I like the plugin.
But it seem to deactivate the "ctrl+f" in mail ?

This review is for a previous version of the add-on (2.6.3). 

yazan: Jonathan Protzenko (Geliştirici) tarih: Haz. 10, 2013 ·

Unfortunately, yes. See https://github.com/protz/GMail-Conversation-View/issues/241 for more details.