This is a pre-release (non-production ready)

UPDATE -We have updated ssh-shellhost.exe binary (fix for #1222) in V7.7.2.0 payload on 8/4/2018.

This release includes

• Support for auto updating known_hosts via ssh and ssh-keygen
• Optimized group membership resolution that results in vast performance improvement in processing simple user/group configuration rules.
• Fixed descriptor leaks in win32 fstat implementation(#1209) by @cbookg
• Support for handling user resolution in absence of explicit UPN (#1213) by @nomorefood
• Various other fixes listed here

Source - https://github.com/PowerShell/openssh-portable/releases/tag/v7.7.2.0