sourcemaps might be broken in v3 To test this issue: * [ ] Find a viz in VizHub that uses the v3 runtime * [ ] Introduce a runtime error into it * [ ] Check the devtools to see if you get a nice line number and file, or not * [ ] If it works, we can close this * [ ] If it's broken, we need to fix this
sourcemaps might be broken in v3
To test this issue: