Users don't seem to love the new Google Photos editing UI that has just started rolling out, complaining of missing features and too much change.

On the Backup page, scroll down and select "Back Up Device Folders." On the Device Folders page, you’ll see a list of folders containing images on your phone. To prevent a folder’s images from being uploaded to Google Photos, turn off the toggle next to that folder.

The Google Photos editing suite is often evolving, but for many users, the perspective correction tool has recently vanished.