Windows 10 gained support for psuedo-terminals with conpty: https://devblogs.microsoft.com/commandline/windows-command-line-introducing-the-windows-pseudo-console-conpty/

Prior art:

• node-pty: https://github.com/nodejs/node/blob/b3189266347fa05395860f9f6e8949e447977284/test/pseudo-tty/pty_helper.py
• neovim: win/Terminal: Change to use ConPTY, if available neovim/neovim#11390

Would you be open to a PR?