portage-ng / portage / net-im / telegram-desktop / 7.1.2-r1
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =net-im/telegram-desktop-7.1.2-r1 ), mode none
!!! trying net-im/telegram-desktop-7.1.2-r1
!!!   request kde-frameworks/kcoreaddons:6, mode depend
!!!   trying kde-frameworks/kcoreaddons-6.31.0
!!!     request >=dev-qt/qtbase-6.10.1:6[dbus,icu,network], mode depend
!!!     trying dev-qt/qtbase-6.11.2-r2
!!!       failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='dev-qt/qtbase-6.11.2-r2' @0x107edfcd0> wrapped='use' @0x10809fad0>]
!!!     removing choices involving >=dev-qt/qtbase-6.10.1:6[dbus,icu,network]
!!!   removing choices involving kde-frameworks/kcoreaddons:6

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =net-im/telegram-desktop-7.1.2-r1 )'
potentials:
repo gentoo: [ ebuild src: net-im/telegram-desktop-7.1.2-r1 ]

Wall time
0.536 s vs. 2.222 s for portage-ng