Fix: VSCode is showing only one tab at a time

If your VSCode is only showing only one open tab at a time, just use the following key combinations to set it back to normal:

I originally found this answer on StackOverflow in this post: VSCode showing only one file in the tab bar (can’t open multiple files). I decided to summarize it here because the current “correct” answer didn’t solve my problem, and I figured that people might end up looking elsewhere before eventually uninstalling VSCode (like I did). Hopefully this will save you the trouble!

Happy hacking.