windows 10 build has been shown in leaked images, Here is more showing the Album feature in Windows 10 for Phones.UI based changes in the last few leaks have been a bulk, right form start screen tile gap closing in, completely transparent tiles, new Outlook UI and a lot more.
Now the above screenshot from official slides shows how the Photos app UI will change in future builds. On the right is a screenshot from the latest Build 10052.
Albums will be finally here. The Photos app can auto-create albums that much we know but you can have a look at how it will look.
The menu will move to bottom and that will be really helpful in using multiple selections of the images