Re: new SSH cipher chacha20-poly1305
WinSCP uses SSH implementation from PuTTY project.
Please direct such requests to them:
https://www.chiark.greenend.org.uk/~sgtatham/putty/feedback.html#feedback-address
Please direct such requests to them:
https://www.chiark.greenend.org.uk/~sgtatham/putty/feedback.html#feedback-address