user3533235
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Is there a resource showing all the J3 classes mapped to the J4 equivalents?
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You can find the equivalent of Joomla! classes here: https://github.com/joomla/joomla-cms/blob/4.0-dev/libraries/classmap.php Your IDE will show when a method is deprecated in your code if you set ...

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loadForm change behaviour from J!3.9 to J!4.0 and data not loaded with the form
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Nevermind, i just found it. The method loadFormData() in model was removed by mistake

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Use HTMLHelper::_ by calling a namespaced class
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0 votes

I have solved it by adding a class file under /site/src/Service/Html/Grid.php with the namespace Mycomponent\Forum\Site\Service\Html; in this class, I have some methods like published(). Then in the ...

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