To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseReview for Thunderbird Conversations by Hunter
Rated 2 out of 5 stars
I'm going to play with it some more, but my main complaint at this point is that it won't allow mail to be opened in a new window.
Before filing a bug report, I looked at the FAQs and found this statement:
"open message in a new window doesn't work, and I don't plan on implementing it."
No reason why, just "I'm not gonna do it".
Maybe there's a valid reason as to why he won't be doing it, like it's difficult to implement, or he just thinks it's a bad idea. I prefer my emails to open in a new window. I don't like the tabs for several reasons, which is why I have it set to open in a new window. I don't know if the benefits outweigh this detriment. We'll see.
UPDATED: (I've disabled it)
While there are a lot of things in this that I really like, the inability to open emails into a new window is a deal-breaker for me. If that's not a deal-breaker for you, install this app, you'll probably like it.
I'll keep an eye on it to see if the author changes his mind though.
To create your own collections, you must have a Mozilla Add-ons account.