@osamanatouf,
Can you kindly create a sample project reproducing the issue you are facing and share it with us over Google-Drive or Onedrive along with sample data so that we can look into your code, run it locally at our end to understand the scenario better and help you out?
From what we have observed, sometimes things get delayed mostly when we are not able to reproduce the issue at our end or not able to understand the exact requirements or due to the variation in chart-options being used by you and us. Because of these reasons we expect you so share sample project along with sample data(dummy data) which helps us run it locally at our end to understand the use case and help you resolve.
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Manoj Mohan
Team CanvasJS