Hello Martin,
after migrating our Wicket application from Wicket 6.22 to Wicket 7.3,
we've noticed, that some Behavior's renderHead method is not called
anymore. Which means, HeaderItems added to the Response object for
rendering ResourceReferences and OnDomReady JavaScripts statements are
not rendered anymore. I have to admit, that our application uses a
similiar approach to render a consisten page layout like described here
(https://cwiki.apache.org/confluence/display/WICKET/Consistent+page+layout+using+borders).
Our components are added to the BorderBodyContainer of a "Layout" Border
class. I was able to figure out, that the
ChildFirstHeaderRenderStrategy#renderChildHeaders methods never calls
component.internalRenderHead(headerContainer) and I'm wondering why. Did
you have changed something regarding how WebMarkupContainers esp.
Borders and their associated Behaviors are rendered? Do you have a hint,
where to focus my investigation?
Thank you very much.
Regards,
Dirk Forchel
PS: Before creating a quickstart and open an issue I'd like to figure it
out on myself
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