Gentoo Packages

app-emulation/faudio: Build against SDL3 using <pkg>media-libs/libsdl3</pkg>.
games-strategy/freeciv: Build the SDL3 client.

Warning: USE flag 'sdl3' is used in ebuilds/metadata but is not defined in profiles/use.desc
Warning: USE flag 'sdl3' used by media-libs/imgui but not documented in its metadata.xml

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
media-libs/imgui	Enable SDL3 backend	-
app-emulation/faudio	Build against SDL3 using media-libs/libsdl3.	Build against SDL3 using <pkg>media-libs/libsdl3</pkg>.
games-strategy/freeciv	Build the SDL3 client.	Build the SDL3 client.

USE Flag: sdl3