Hello!
https://www.telerik.com/forums/radchat-messages-not-updated-when-datasource-changed
https://www.telerik.com/forums/update-chat-messages-on-datasource-change
https://feedback.telerik.com/wpf/1357293-chat-setting-a-new-instance-for-the-datasource-does-not-clear-the-previous-messages
In last link:
"*** The fix for this issue will be available with the next LIB (version 2018.3.1210) expected on Monday, December 10."
Where i can find this build?
PS: we use 2018 and do NOT want to migrate to 2019.