The second release candidate for WordPress 4.8 is now available.
To test WordPress 4.8, you can use the WordPress Beta Tester plugin or you can download the release candidate here (zip).
We’ve made a handful of changes since releasing RC 1 last week. For more details about what’s new in version 4.8, check out the Beta 1, Beta 2, and RC1 blog posts.
Source from WordPress blog