On a Joomla 4.4.14 website, extension update shows T4 System plugin version 2.5.4.
After updating T4 System plugin to version 2.5.4, login form shows an error : Call to undefined method Joomla\CMS\Form\Form::renderControlFields().
renderControlFields function has been introduced in Joomla 5.3.0, so all calls to this function cause an error in all sites using Joomla version lower than 5.3.0.
For example, in plugins/system/t4/themes/base/html/com_users/login/default_login.php, line 120 : <?php echo $this->form->renderControlFields(); ?>
Note : all plugins/system/t4/themes/base/html/com_users overrides contain a similar line.
To fix this, we had to go back to T4 system plugin version 2.4.7.
Kind regards,
Pascal