In this update2
Full notes
Full Arcade FC update
Read the full published notes in a cleaner layout. The original post stays linked below.
The Arcade FC DEMO now (better) supports widescreen displays.
Windowed mode
You may toggle windowed and full-screen mode with F11 for even more flexibility.
Camera Zoom
Adjust the camera zoom with PAGE-UP/DOWN (HOME to reset) to zoom in or out and adjust the game to your screen resolution and preferences.
Thanks to all the players who pointed this out!
Source
Changelog.gg summarizes and formats this update. How we read updates.