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

Calculating dependencies ... done!
Dependency resolution took 0.82 s (backtrack: 0/20).


!!! All ebuilds that could satisfy "=x11-themes/fluent-icon-theme-2026.06.19" have been masked.
!!! One of the following masked packages is required to complete your request:
- x11-themes/fluent-icon-theme-2026.06.19::gentoo (masked by: package.mask)
/Volumes/Disk 1/Repository/portage-git/profiles/package.mask:
# Maciej Barć <xgqt@gentoo.org> (2025-02-12)
# Masked for testing. Fails to update from previous version. See bug #949626.


For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.