https://wccftech.com/windows-10-redstone-5-17754/

We are nearing the public release of Windows 10 Redstone 5. Bringing a new set of general fixes and improvements, Microsoft has today released Windows 10 Insider Preview Build 17754 to Insiders in the Fast Ring. In today’s post, the company clarified that the removal of the watermark from the Preview Builds is in no way a hint that the development process is done or if the build is the RTM release.

For details about known issues, head over to the official blog post.