my personal override for jupyterlab key shortcuts

jupyterlab_settings_override.json

{"shortcuts": [
        {
            "command": "application:activate-next-tab",
            "keys": [
                "Ctrl Shift ArrowRight"
            ],
            "selector": "body"
        },
        {
            "command": "application:activate-previous-tab",
            "keys": [
                "Ctrl Shift ArrowLeft"
            ],
            "selector": "body"
        }
    ]
}