You can do this now by moving one of them to the right dock (right-click the toggle-button)
Yes
- Do you want to split a dock vertically?
- Do you want to open the panels inside an editor split?
- Do you want to detach the panels as separate windows? (https://github.com/zed-industries/zed/issues/17618)
You can do this now by moving one of them to the right dock (right-click the toggle-button)