• [ ] With free-threading, could _convert_column_data be called in parallel for each column?
  • [ ] (free-threading) For large files, split into chunks and parse in parallel, then concat?
  • [ ] In a pyarrow-always-available world, could _string_box_utf8 allocate a buffer+mask rather than ndarray[object]?
  • [ ] #17743

Anyone else have more ideas?