Rated 5 out of 5 stars
At first this sounded good... not being bothered by bold, unread messages in the Folder pane. But then I recalled that occasionally I get important emails that for some reason go into this folder and I rely on the bold type to remind me to review this folder. Were I to not be reminded by this, then I suspect that I would be too busy to remember to go into this folder and reclassify important emails as "Not Spam" or "Not Junk". Thank you for your kind work, but I'll pass, as I like to know what's going in to my folders when Thunderbird does this.
EDIT: My sincere apologies to the developer. He is absolutely correct about the functionality of the product, and I deeply apologize for allowing my opinion to cloud the truth.
That's a fine sentiment, but did you *really* have to rate it one star because it does exactly what it says on the tin?