What is a gravatar (from the gravatar site):
A gravatar, or globally recognized avatar, is quite simply an image that follows you from site to site appearing beside your name when you do things.
Time Entries and Follow-up Events:
You can now enter and edit time entries and follow-up events much quicker. In the case of follow-up events you can now edit and add them from any view, you no longer have to open the message to enter edit mode.