On Friday, 2 December 2022 at 01:03:47 UTC, Steven Schveighoffer
wrote:
It's important to remember that raylib-d doesn't do any special
things with the raylib functions -- they are just straight
calls into the library.
-Steve
Indeed, I plugged a different gamepad into the same system
running the same code, and it worked. My gamepad must not have
been on the list of [gamepad input
mappings](https://github.com/gabomdq/SDL_GameControllerDB/blob/master/gamecontrollerdb.txt) used by SDL2 --> GLFW --> Raylib --> raylib-d.