Gentoo Packages

app-misc/openrgb: Use <pkg>dev-libs/hidapi-hotplug</pkg> instead of <pkg>dev-libs/hidapi</pkg>.
sys-libs/libudev-zero: Build and install hotplug helper

Warning: USE flag 'hotplug' is used in ebuilds/metadata but is not defined in profiles/use.desc
Warning: USE flag 'hotplug' used by sys-fs/libudev-zero but has no description in metadata.xml, use.local.desc or use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
sys-fs/libudev-zero	-	-
sys-libs/libudev-zero	-	Build and install hotplug helper
app-misc/openrgb	Use dev-libs/hidapi-hotplug instead of dev-libs/hidapi.	Use <pkg>dev-libs/hidapi-hotplug</pkg> instead of <pkg>dev-libs/hidapi</pkg>.

USE Flag: hotplug