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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] x11-misc/i3blocks-1.5-r2::gentoo  USE="contrib" 65 KiB
[ebuild  N     ] x11-misc/i3blocks-contrib-2.0.0_p20240208::gentoo  2872 KiB

Total: 2 packages (2 new), Size of downloads: 2937 KiB