Open-source Windows Terminal does the splits: There ain't no party like a multi-pane party
https://www.theregister.co.uk/2019/11/27/windows_terminal/
A fresh preview of Microsoft's open-sourced Windows Terminal landed overnight with a couple of standout features to make the app a handy addition to the toolkit of Windows 10 shell-botherers.
The release, 0.7, adds the ability to split the terminal window into multiple panes, which means multiple command prompts within the same tab rather than having to switch tabs or do something funky with windowing.