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

Calculating dependencies ... done!
Dependency resolution took 1.13 s (backtrack: 0/20).

[ebuild  N     ] app-misc/tmux-3.8::gentoo  USE="-debug -jemalloc (-selinux) -sixel (-systemd) -utempter -vim-syntax" 875 KiB
[ebuild  N     ] dev-libs/libpcre-8.45-r4:3::gentoo  USE="bzip2 cxx jit pcre16 readline (unicode) zlib -libedit -pcre32 -static-libs -valgrind" 1542 KiB
[ebuild  N     ] sys-libs/slang-2.3.3-r2::gentoo  USE="pcre png readline zlib -cjk -static-libs" 1608 KiB
[ebuild  N     ] dev-libs/newt-0.52.25-r2::gentoo  USE="gpm nls python -tcl" PYTHON_TARGETS="python3_14 -python3_12 -python3_13" 126 KiB
[ebuild  N     ] app-misc/byobu-5.133-r1::gentoo  USE="-screen" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13" 744 KiB

Total: 5 packages (5 new), Size of downloads: 4895 KiB