All individual stocks because I expect them to grow more than index funds and I want to maximize the tax free advantage. My Roth IRA is at $426k now. I did ~$30k/yr Mega Backdoor Roth for 3 years but it looks like Congress might eliminate it next year. But remember the income phaseout to do a direct Roth IRA (not backdoor) contribution starts at $129k single/$204k married for 2022, and this does not include $20,500 401k, HSA, FSA, etc. So you could gross up to $153k and still be allowed to contribute to a Roth IRA.
My 401k is all index funds because that's the best of the funds I can choose from. But years ago I decided to stop using target date funds because they often contain a large proportion of international stocks (35-45%) and bonds (10-20%) which I didn't like. It worked out well because international stocks have underperformed US stocks for a long time. So instead, I've been doing 60% S&P 500, 20% Russell Small Cap Completeness, 20% International Stock Index, and I can change the proportions whenever I feel like it.