• OpenSSH 9.9p1
• OpenSSL 3.0.15
• Cygwin 3.5.4
• support for ssh-copy-id tool, recipe
  • start a bash prompt (bash --login)
  • run ssh-copy-id as usual

• LibreSSL 3.9.2
• Cygwin 3.5.3 

Cygwin 3.4.10 was the LAST major version supporting

  - Windows 7 / 8
  - Windows Server 2008 R2 / 2012

- Cygwin 3.5.x runs on

  - Windows 8.1 / 10 / 11
  - Windows Server 2012 R2 / 2016 / 2019 / 2022
  - and (hopefully) all upcoming releases of Windows.