As the release of Redstone 4 approaches, Microsoft has been gearing up to prepare the first build for Redstone 5. According to Buildfeed, Microsoft has just compiled the first build of Redstone 5. This comes just after Microsoft created a new RS4_release branch which will serve as the official branch for RS4 releases starting next month.
— BuildFeed (@buildfeed) February 6, 2018
If you recall, Microsoft did the same thing as with RS4 last year. Once the Creators Update was almost ready, Microsoft started flighting RS4 builds to selected Insiders in Skip Ahead Ring. We expect the same to happen as Microsoft prepares for a global rollout of Redstone 4 next month.
The current compiled build for RS5 branch is 17600 and it looks like this will be the first RS5 for Windows Insiders on Skip Ahead. The company has also added this information to the new language packages available on the Microsoft Store.
While Microsoft hasn’t shared if they plan to rollout RS5 before the public rollout of RS4 but we do wish to see what Microsoft has in store for us this year. Do note that, no matter they release the RS5 builds before or after RS4 rollout, the first 3-4 builds are unlikely to carry any major changes or features.