clang-format (think this has been mentioned elsewhere but one reason to repeat this point would be that this way, the article could stand well on its own)
DevOps (nice to have checks for PRs in group projects)
DevSecOps (what I am currently writing about, but some lessons also extend to C++ / other languages in general)
Expand the 101 series by adding a post about managing a project's source tree.
Salient points to cover:
#include <>
and not#include ""
#include
s.gitignore
setupout/
,build/
,.vscode/
,.cache/
etccompile_commands.json
gh-pages
(not applicable for C++ projects)