The current tab-completer is somewhat basic. There's a pyrepl-based library called fancycompleter that allows for context-aware colorful tab completions. Much more useful and looks better.

Linked PRs

• gh-130472: Integrate fancycompleter with the new repl, to get colored tab completions #130473
• gh-130472: Remove readline-only hacks from PyREPL completions #148161
• gh-130472: Use fancycompleter in import completions #148188