Manu developed a feature for the PowerShell/openssh-portable repository that enhances Windows tooling compatibility by introducing the OPENSSH_STDIO_MODE environment variable. This addition allows users to control OpenSSH’s standard I/O handling, specifically improving interoperability with sshfs-win. Manu implemented the feature in C, focusing on system programming and environment variable integration, while ensuring that the default behavior remains unchanged to maintain backward compatibility. The work addressed compatibility challenges by enabling configurable stdio modes, which broadens adoption potential for OpenSSH on Windows. Although no bugs were fixed during this period, the contribution demonstrated careful attention to regression safety and cross-platform support.