• emerge sync ;layman -S

• emerge -1av gcc
• if any update, gcc-config, emerge -1 libtool, emerge -P gcc,
• * on major gcc upgrade: revdep-rebuild –library libstdc++.so – –exclude sys-devel/gcc

• emerge -uDav –newuse world

• etc-update

• daemon restarts and new version configuration as necessary

• perl-cleaner –all
• python maint - package.use (*/* PYTHON_TARGETS: python3_7 python3_8) and –newuse, eselect python and remove old.

• kernel upgrade (and cleanup old)

• preserved
• depclean
• revdep
• deal with installed but abandonned ebuilds: equery list -F '[$location] [$mask] $cpv:$slot [$repo]' '*' | grep '??'
• news
• take a look at overlays - which ones used/unused (eix-update ; eix -c -J)
• clean up keywords file - find unused atoms (eix-test-obsolete)

Redundant

• move distfiles/* to mystic's archive