portage-ng / portage / x11-wm / xpra / 6.2.5-r1
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =x11-wm/xpra-6.2.5-r1 ), mode none
!!! trying x11-wm/xpra-6.2.5-r1
!!!   request x11-libs/gtk+:3[X,introspection], mode depend
!!!   removing choices involving x11-libs/gtk+:3[X,introspection]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =x11-wm/xpra-6.2.5-r1 )'
potentials:
repo gentoo: [ ebuild src: x11-wm/xpra-6.2.5-r1 ]

Wall time
0.425 s vs. 4.088 s for portage-ng