Hi Regis,
Greetings from Syncfusion Support.
On further validation, we have considered the reported issue (“In sorting case 'allowMultiSorting' api not working in ej2 treegrid component”) as a bug. Thank you for taking the time to report this issue and helping us improve our product. At Syncfusion, we are committed to fixing all validated defects (subject to technological feasibility and Product Development Life Cycle) and will include the fix in our upcoming NuGet release which is expected to be rolled out on April 22, 2025. Until then we appreciate your patience.
You can now track the status of your request, review the proposed resolution timeline, and contact us for any further inquiries through this link.
In sorting feature 'allowMultiSorting' Api is not working in treegrid component in React | Feedback Portal
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Disclaimer: Inclusion of this solution in the weekly release may change due to other factors including but not limited to QA checks and works reprioritization.
Regards,
Sreedhar Kumar.