Microsoft has released the Insider Preview Build 17744 of Windows 10 (Redstone 5) for testers in the Slow Ring. This build was released on August 20, 2018 in the Fast Ring (see Windows 10 Version 1809: Insider Preview 17744 released).
The announcement of the new build was made in the Windows Blog. Dona Sarkar has also announced it on Twitter.
Hi #WindowsInsiders we have released Windows 10 Insider Preview Build 17744 (RS5) + KB4459375 to Windows Insiders in the Slow ring. Check out the blog for the details! https://t.co/0W7J3r2Ivx
— Dona Sarkar (@donasarkar) 30. August 2018
The Windows blog post mentions also that the update KB4459375 has been released. KB4459375 contains as a fix for the problem that causes PCs to throw a Blue Screen (BSOD) when logging off from the user profile or shutting down the PC. In addition, the KB4459375 update is already packed with a new design so that Windows Insiders Preview builds can be downloaded and installed more efficiently (see Microsoft announced the end of Windows 10 Delta Updates).