"The bird will have the Lightning calendar offered as a default installation option in its final version - and with it introduce you to tabs. Yes, tabs as we know it from Firefox - now in the upcoming new Mozilla product for email, messaging, calendaring and whatnot.
"It is specially exciting to see the advances and the arrival of real results after Mozilla renewed its commitment for this product with the founding of Mozilla Messaging. Many of the suggestions made by a small group of real Thunderbird lovers including myself, as a response to the famous "Call for action" by Mitchell Baker are actually being realized now. True, it's not all of what I could wish for, but it was the understanding that the next big release will not have all the whistle and bells. Instead much needed reorganization, code cleanup and bug fixing had priority before new features could be added."
