The recently published TeeChart for Xamarin.Forms Nuget package adds support for MacOS platform further to the already supported NETStandard.
You can download this release from the Nuget website here.
Also you will find a specific XamFormsMacTest Example published at the Steema GitHub repo.
Follow this link for a more detailed description.
Changes, improvements and bug fixes for every release can be viewed at the product release notes.
Please use Steema Support forums to provide your feedback.