`scattergl` was added to the strict bundle in the most recent release: https://github.com/plotly/plotly.js/releases/tag/v2.11.0 I tried it out but it seems to still need `unsafe-eval` in the `script-src` directive of the CSP to work. **Bug replication Codepen:** https://codepen.io/CallumNZ/pen/ExoarRE?editors=1111