Steam recently changed the default privacy settings for all users. This may impact tracking. Ensure your profile has the correct settings by following the guide on our forums.
OK, "Today's Birthday's" will be displayed on the main index, but you need to make sure you have entered in your month and day at a minimum in your profile.
You may also need to update your privacy settings in the dropdown right below the date boxes.
We need the birthday thing somewhere on the top of the forums. It's hard to remember to check down in the index every day. In any case, happy birthday, Seri.