Seems this was the same error: On IE11 getting error SCRIPT5009: 'fetch' is undefined
And was fixed with dash-renderer-0.14.3: https://github.com/plotly/dash-renderer/issues/87
Seems this was the same error: On IE11 getting error SCRIPT5009: 'fetch' is undefined
And was fixed with dash-renderer-0.14.3: https://github.com/plotly/dash-renderer/issues/87