Not sure if this a real bug: as mentioned earlier, we have this JS issue after upgrading from 5.2.1 to 5.2.2
This error is raised on a browser view where we include DataTables.net directly from within the template.
Clearly, jQuery is missing here in 5.2.2. Adding jQuery manually inside the template resolves the issue.
The question is why jQuery was available in Plone 5.2.1 and no longer in 5.2.2? Is this an issue with the bundles between both versions?