Hi Yordon,
Thanks for your patience.
We are glad to announce that our patch release (V18.2.59) is rolled out successfully. In this release, we have included fix for “CheckedNodes are not maintained properly on TreeView component”. To access this fix, we suggest you to update the package to the latest version (V18.3.38).
Please get in touch with us if you would require any further assistance.
Regards,
Sowmiya.P