What you can do is, back up your setting. And than do the Reset setting and Reset dock contents, refer to my previous screenshot above. Reboot, and retest under fresh ObjectDock setting. And, if the freeze issue disappear. Start adding back content. Do know, some of ObjectDock function in v2, no longer supported in v3. It was removed to make sure ODv3 is compatible with Windows 11.
Thank you,
Basj,
Stardock Community Assistant