Sometimes it isn't the editor that needs downgrading, but an extension. If a specific tool is causing issues: Go to the view ( Ctrl+Shift+X ). Click the gear icon next to the extension.
If your current installation feels "corrupt" after a failed update, it is often better to completely uninstall VS Code before installing the older version to avoid mixing old and new system files. vs code download old version
Select and pick a stable release from the list. Sometimes it isn't the editor that needs downgrading,