See https://github.com/microsoft/vscode/issues/134448#issuecomment-947053801, conpty doesn't push scrollback down but pushed the viewport up when the rows in the terminal are increased.
See microsoft/vscode#134448 (comment), conpty doesn't push scrollback down but pushed the viewport up when the rows in the terminal are increased.