Microsoft launched some major visual updates to Photosynth website to help improve user experience, along with a lot of little bug fixes, tweaks and general improvements. Here’s quick list of updates:

-Comments count & Geotags icon on tradecards added to to help you see what synths have been located on the map and what synths are being actively discussed.  
-New Homepage with fresh content has a full viewer on it so visitors can directly explore latest favorite synths.
-Improved Search allow you to sort the results not just by the best keyword match, but also by synth quality, popularity, date and author. 
-Initial Synth Visibility Setting allow you to set the initial visibility to include the images & points, images only or points only.