Update: Microsoft has released the build to Windows Insiders in the Fast Ring, according to our tipsters.
Original story: Microsoft has announced it will release a new PC preview version of Windows 10, with the build number 10565, today to members of the Windows Insider Program who have signed up to get new updates in the Fast ring.
This is the first such release in close to a month; Microsoft launched Windows 10 build 10547 to members of the Insider program on September 18. The head of the Insider program, Gabriel Aul, stated:
"One thing I want to call out up front is that this build and associated Language Packs won't be available until later this week for Windows Insiders in Russia and Turkey."