These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.06 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/oniguruma-6.9.10:0/5::gentoo  USE="-crnl-as-line-terminator -static-libs" 957 KiB
[ebuild  N     ] net-dns/openresolv-3.17.4::gentoo  USE="(-selinux) -verify-sig" 26 KiB
[ebuild  N     ] app-misc/jq-1.8.2:0/1::gentoo  USE="oniguruma -static-libs -test" 1407 KiB
[ebuild  N     ] virtual/resolvconf-2::gentoo  USE="(-systemd)" 0 KiB
[ebuild  N     ] net-vpn/wireguard-tools-1.0.20260223::gentoo  USE="wg-quick (-selinux)" 99 KiB
[ebuild  N     ] net-vpn/mullvad-netns-0.3-r1::gentoo  12 KiB

Total: 6 packages (6 new), Size of downloads: 2498 KiB