Facebook has announced a few enhancements to its photo viewer, including support for high-resolution photos and full-screen viewing. Now the photo viewer will automatically display photos in the highest resolution possible, and you can expand the photo viewer to take up your entire computer screen. Note that this functionality enhancement only applies if you are using the latest version of Firefox or Chrome. Additionally, Facebook will now assign a simplified sRGB profile to every image, including thumbnails. You can read about this update at the website below.
Website: Facebook Engineering
Facebook Press Release
Improving the Photos Experience
March 22, 2012
Today we’re announcing a few enhancements to our photo viewer, including high-resolution photos and fullscreen viewing.
Now the photo viewer will automatically display photos in the highest resolution possible. On a large display, this can be up to 4 times bigger than before.
Starting today, you can expand the photo viewer to take up your entire computer screen.
If you’re using the latest version of Firefox or Chrome, click the arrows at the top-right corner of a photo to expand to fullscreen.
To read about more photo updates, visit Facebook Engineering.
To learn about the tools you can use to make your photos look better, visit the Help Center.