It's been about 36 hours?

Maybe we're using an old version or something, but code blocks still don't expand horizontally to fill the available space, so we just get a horizontal slider bar.

or opened in a separate viewer for easier reading.

Yes, that's my beef. If I need to juggle content to external text editors to read them, then IMO it has failed the categorical imperative of the tool.

Edit:

Back to work Monday morning:

Collapse all side bars, you get 89 monospaced characters. Approximately 2/3 of the horizontal screen space is reserved for empty space.