A new Windows 10 Build, Build 10031 has leaked in images and the most noticeable change it brings is “Translucent Tiles” and smaller start buttons. The build 10031 is from fbl_impressive, the branch from which the next Windows 10 Desktop build is supposed to come. Though the latest build from fbl_impressive is 10.0.10034 as per the Buildfeed.
Translucent tiles & smaller start buttons:
The official release notes reveal “edge gesture improvements” and toast message for update failure as changes along with couple of changes for developers. There are many bug fixes too.