Long-press the profile button in the toolbar.

There are solutions for Thunderbolt that allow connecting external graphics cards (eGPU) like this one from Razer, but the typical docks just forward the signal.

Edit: Updated link

Ideally there would be (optional) columns, like slide_ios did on the iPad:

And when swiping from the left you even got the subscribed subreddits ("Traverse" view in Memmy):

(Edit: Embedded images in the answer don't show up in the app, but are visible on the web page.)

The year should be 1934.

Some more info: https://www.tate.org.uk/art/artworks/ernst-the-entire-city-n05289

My first idea was to use an USB-to-Ethernet adapter.