Hi @Scavy

Have the dev found what was the issue ?

I have the same problem with a N64 USB controller :

sdl2-jstest -l

error: failed to read gamecontrollerdb.txt: Invalid RWops
Found 1 joystick(s)

Joystick Name: 'SWITCH CO.,LTD. Controller (Dinput)'
Joystick Path: '/dev/input/event0'
Joystick GUID: 03000000632500007505000011010000
Joystick Number: 0
Number of Axes: 4
Number of Buttons: 13
Number of Hats: 1
Number of B***s: 0
GameControllerConfig:
missing (see 'gamecontrollerdb.txt' or SDL_GAMECONTROLLERCONFIG)
Axis code 0: 0
Axis code 1: 1
Axis code 2: 2
Axis code 3: 5
Button code 0: 304
Button code 1: 305
Button code 2: 306
Button code 3: 307
Button code 4: 308
Button code 5: 309
Button code 6: 310
Button code 7: 311
Button code 8: 312
Button code 9: 313
Button code 10: 314
Button code 11: 315
Button code 12: 316
Hat code 0: 16

Thank you for your help !