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

Calculating dependencies ... done!
Dependency resolution took 1.50 s (backtrack: 0/20).

[ebuild     U  ] sys-libs/timezone-data-2026b::gentoo [2026a::gentoo] USE="nls -leaps-timezone -zic-slim" 549 KiB

Total: 1 package (1 upgrade), Size of downloads: 549 KiB