The speed is much much better in the current release.
I had a read through that thread, I don't think the project was against the
functionality, but wanted APIs internally for it, which included APIs for
pausing output and keyboard control and selection from the keyboard.
So while the implement
Windows has introduced a "PseudoPTY" interface to make it easier to implement
console clients.
https://devblogs.microsoft.com/commandline/windows-command-line-introducing-the-windows-pseudo-console-conpty/
It's used by the new Windows Terminal, but should be picked up by others like
ConEmu, mean