That's the idea when you're using D3 with React: React handles the DOM updates, D3 handles data wrangling and math. You said you reimplemented your charts in SV

That's the idea when you're using D3 with React: React handles the DOM updates, D3 handles data wrangling and math. You said you reimplemented your charts in SVG directly – did you also reimplement scales, chart axis generation, d3-collections, d3-time, etc?