Update 9.0.0 on the Nintendo Switch made some changes on how controllers are recognized by the console (HID).
A recent update in libnx has added support for said update:
https://github.com/switchbrew/libnx/releases/tag/v2.5.0
It is recommended to update this app with the latest release of libnx (2.5.0) so that further firmware versions of the Switch can use this homebrew app without problems down the road.
Update 9.0.0 on the Nintendo Switch made some changes on how controllers are recognized by the console (HID). A recent update in libnx has added support for said update: https://github.com/switchbrew/libnx/releases/tag/v2.5.0
It is recommended to update this app with the latest release of libnx (2.5.0) so that further firmware versions of the Switch can use this homebrew app without problems down the road.