Review for Dictionary Switcher for Thunderbird by hurdingkatz
Rated 2 out of 5 stars
...And it's (finally) "compatible" again. But no control appears in the TB8 status bar, so I can't actually use the add-on anymore, which is a shame, because I used to use it all the time. I really miss it. Right now, it's like having my cake, but not having the chance to eat it.
It's also unfortunate that v1.3 is not compatible with TB8.
To create your own collections, you must have a Mozilla Add-ons account.