Probably syntax and long line parsing. I also run in daemon mode. I imagine emacs 28 wouldn’t run well on those specs with a default confit. But also the bigg

Probably syntax and long line parsing. I also run in daemon mode. I imagine emacs 28 wouldn’t run well on those specs with a default confit. But also the biggest killer is probably the lack of code trees, forward/backward searches to do syntax highlighting etc is pretty expensive.