"Most Things" of course being about cosmology - it's not like GR or QM as practical matters aren't agreed upon.

Here's a link to the interactive dashboard of "big questions"

https://nafshordi.com/aps-dashboard/

I peeked at Q7 - Interpretations of Quantum Mechanics (Target Questions dropdown in the Controls Panel) - unsurprisingly Copenhagen remains the most accepted QM interpretation. Kind of interesting, as Rovelli et al. are really pushing relational or informational interpretations these days, which isn't even one of the responses (unless it is contained in "other".)

The rest of the questions are about cosmology - I think these questions (mostly) won't be answered without new data.