Hi Mike,
Greetings from Syncfusion.
We have analysed your query with attached screenshot. Currently we don’t have support for multiple series in doughnut, but we can achieve your requirement by using annotation. We have created a sample based on your requirement. From that, Initially we have created one chart then create other chart using loaded event and annotation of the first chart. Sample: https://stackblitz.com/edit/rq2pip-rtw21k?file=index.js
Screenshot:
We have logged a feature request for this requirement. It can be tracked through our feedback portal below.
Please cast your vote to make it count. We will prioritize the features of every release based on the demands.
If you have any more specification/suggestions to the feature request, you can add it as a comment in the portal.
Regards,
Baby.